Example #1
0
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data

        #N0_32F = cv2.resize(N0_32F, (64, 64))
        #A_8U = cv2.resize(A_8U, N0_32F.shape[:2])

        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))

        # C0_32F = ToonShader().diffuseShading(L, N0_32F)
        C0_32F = LambertShader().diffuseShading(L, N0_32F)

        sfs_method = Wu08SFS(L, C0_32F, A_8U)
        sfs_method.run()
        N_32F = sfs_method.normal()

        saveNormal(self.resultFile(self._data_file_name, result_name="Wu08"), N_32F, A_8U)

        C_error = sfs_method.shadingError()
        I_32F = sfs_method.brightness()
        I_32F = gray2rgb(I_32F)
        C_32F = sfs_method.shading()

        N0_32F = trim(N0_32F, A_8U)
        C0_32F = trim(C0_32F, A_8U)
        C_32F = trim(C_32F, A_8U)
        N_32F = trim(N_32F, A_8U)
        C_error = trim(C_error, A_8U)
        I_32F = trim(I_32F, A_8U)
        A_32F = trim(A_32F, A_8U)
        A_8U = trim(A_8U, A_8U)

        h, w = N_32F.shape[:2]
        N_error = angleErros(N_32F.reshape(-1, 3), N0_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < np.max(A_8U)] = 0.0

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 2
        num_cols = 3
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(normalToColor(N0_32F, A_8U), r'Ground Truth Normal: $N_g$')
        plot_grid.showImage(normalToColor(N_32F, A_8U), r'Estimated Normal: $N$')
        plot_grid.showColorMap(N_error, r'Angle Error: $N_g, N$', v_min=0, v_max=30.0)

        plot_grid.showImage(setAlpha(C0_32F, A_32F), r'Shading: $C$')
        plot_grid.showImage(setAlpha(C_32F, A_32F), r'Estimated Shading: $C$')
        plot_grid.showColorMap(C_error, r'Shading Error: $C_g, C$', v_min=0, v_max=0.1)

        showMaximize()
Example #2
0
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data

        # N0_32F = cv2.resize(N0_32F, (64, 64))
        # A_8U = cv2.resize(A_8U, N0_32F.shape[:2])

        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))

        # C0_32F = ToonShader().diffuseShading(L, N0_32F)
        C0_32F = LambertShader().diffuseShading(L, N0_32F)

        sfs_method = Wu08SFS(L, C0_32F, A_8U)
        sfs_method.run()
        N_32F = sfs_method.normal()

        saveNormal(self.resultFile(self._data_file_name, result_name="Wu08"), N_32F, A_8U)

        C_error = sfs_method.shadingError()
        I_32F = sfs_method.brightness()
        I_32F = gray2rgb(I_32F)
        C_32F = sfs_method.shading()

        N0_32F = trim(N0_32F, A_8U)
        C0_32F = trim(C0_32F, A_8U)
        C_32F = trim(C_32F, A_8U)
        N_32F = trim(N_32F, A_8U)
        C_error = trim(C_error, A_8U)
        I_32F = trim(I_32F, A_8U)
        A_32F = trim(A_32F, A_8U)
        A_8U = trim(A_8U, A_8U)

        h, w = N_32F.shape[:2]
        N_error = angleErros(N_32F.reshape(-1, 3), N0_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < np.max(A_8U)] = 0.0

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 2
        num_cols = 3
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(normalToColor(N0_32F, A_8U), r"Ground Truth Normal: $N_g$")
        plot_grid.showImage(normalToColor(N_32F, A_8U), r"Estimated Normal: $N$")
        plot_grid.showColorMap(N_error, r"Angle Error: $N_g, N$", v_min=0, v_max=30.0)

        plot_grid.showImage(setAlpha(C0_32F, A_32F), r"Shading: $C$")
        plot_grid.showImage(setAlpha(C_32F, A_32F), r"Estimated Shading: $C$")
        plot_grid.showColorMap(C_error, r"Shading Error: $C_g, C$", v_min=0, v_max=0.1)

        showMaximize()
Example #3
0
    def _runImp(self):
        # file_path = self._data_file
        file_path = self.resultFile(self._data_file_name, result_name="Wu08")
        normal_data = loadNormal(file_path)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data

        D_32F = depthFromNormal(N0_32F, A_8U)

        fig, axes = plt.subplots(figsize=(11, 5))

        font_size = 15

        fig.subplots_adjust(left=0.05,
                            right=0.95,
                            top=0.9,
                            hspace=0.05,
                            wspace=0.05)
        fig.suptitle("Depth From Normal", fontsize=font_size)

        plt.subplot(1, 4, 1)
        plt.title(r'Initial Normal: $N_0$')
        plt.imshow(normalToColor(N0_32F, A_8U))
        plt.axis('off')

        plt.subplot(1, 4, 2)
        plt.title(r'Estimated Depth: $D$')
        plt.gray()
        plt.imshow(D_32F)
        plt.axis('off')

        N_32F = depthToNormal(D_32F)
        plt.subplot(1, 4, 3)
        plt.title(r'Recovered Normal: $N$')
        plt.imshow(normalToColor(N_32F, A_8U))
        plt.axis('off')

        h, w = N_32F.shape[:2]
        N_diff = angleErros(N_32F.reshape(-1, 3),
                            N0_32F.reshape(-1, 3)).reshape(h, w)
        N_diff[A_8U < np.max(A_8U)] = 0.0
        plt.subplot(1, 4, 4)
        plt.title(r'Angle Error: $N, N_0$')
        plt.imshow(N_diff, cmap=plt.cm.jet, vmin=0, vmax=30.0)
        plt.axis('off')

        plt.colorbar()

        #out_file_path = self.resultFile(self._data_file_name)
        out_file_path = self.resultFile(self._data_file_name,
                                        result_name="Wu08Depth")
        plt.savefig(out_file_path)
    def _runImp(self):
        # file_path = self._data_file
        file_path = self.resultFile(self._data_file_name, result_name="Wu08")
        normal_data = loadNormal(file_path)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data

        D_32F = depthFromNormal(N0_32F, A_8U)

        fig, axes = plt.subplots(figsize=(11, 5))

        font_size = 15

        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.05, wspace=0.05)
        fig.suptitle("Depth From Normal", fontsize=font_size)

        plt.subplot(1, 4, 1)
        plt.title(r'Initial Normal: $N_0$')
        plt.imshow(normalToColor(N0_32F, A_8U))
        plt.axis('off')

        plt.subplot(1, 4, 2)
        plt.title(r'Estimated Depth: $D$')
        plt.gray()
        plt.imshow(D_32F)
        plt.axis('off')

        N_32F = depthToNormal(D_32F)
        plt.subplot(1, 4, 3)
        plt.title(r'Recovered Normal: $N$')
        plt.imshow(normalToColor(N_32F, A_8U))
        plt.axis('off')

        h, w = N_32F.shape[:2]
        N_diff = angleErros(N_32F.reshape(-1, 3), N0_32F.reshape(-1, 3)).reshape(h, w)
        N_diff[A_8U < np.max(A_8U)] = 0.0
        plt.subplot(1, 4, 4)
        plt.title(r'Angle Error: $N, N_0$')
        plt.imshow(N_diff, cmap=plt.cm.jet, vmin=0, vmax=30.0)
        plt.axis('off')

        plt.colorbar()

        #out_file_path = self.resultFile(self._data_file_name)
        out_file_path = self.resultFile(self._data_file_name, result_name="Wu08Depth")
        plt.savefig(out_file_path)
Example #5
0
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        C0_32F = to32F(rgb(C0_8U))

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))
        sfs_method = Wu08SFS(L, C0_32F, A_8U)
        sfs_method.run()
        N_32F = sfs_method.normal()

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 2
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(C0_8U, r'Shading: $C$')
        plot_grid.showImage(normalToColor(N_32F, A_8U), r'Estimated Normal: $N$')

        showMaximize()
    def _runColorMap(self, colormap_file, Ng_32F, N0_32F, A_8U):
        M_32F = loadColorMap(colormap_file)

        L0 = normalizeVector(np.array([-0.2, 0.3, 0.6]))
        L0_img = lightSphere(L0)
        L0_txt = 0.01 * np.int32(100 * L0)

        C0_32F = ColorMapShader(M_32F).diffuseShading(L0, Ng_32F)
        I_32F = luminance(C0_32F)

        L = lightEstimation(I_32F, N0_32F, A_8U)

        L_txt = 0.01 * np.int32(100 * L)
        L_img = lightSphere(L)

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(setAlpha(C0_32F, A_8U), r'Input image: $\mathbf{c}$', font_size=font_size)
        plot_grid.showImage(normalToColor(N0_32F, A_8U), r'Initial normal: $\mathbf{N}_0$')
        plot_grid.showImage(L0_img, r'Ground trugh light: $L_g = (%s, %s, %s)$' %(L0_txt[0], L0_txt[1], L0_txt[2]))
        plot_grid.showImage(L_img, r'Estimated light: $L = (%s, %s, %s)$' %(L_txt[0], L_txt[1], L_txt[2]))

        showMaximize()
Example #7
0
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        C0_32F = to32F(rgb(C0_8U))

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))
        sfs_method = Wu08SFS(L, C0_32F, A_8U)
        sfs_method.run()
        N_32F = sfs_method.normal()

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 2
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(C0_8U, r"Shading: $C$")
        plot_grid.showImage(normalToColor(N_32F, A_8U), r"Estimated Normal: $N$")

        showMaximize()
Example #8
0
    def _computeInitialDetailNormal(self):
        bump_scale = self._parameters["bumpScale"].value()

        self._N_b[:, :, :2] *= bump_scale
        self._N_b = normalizeImage(self._N_b, th=1.0)

        self._N_d[:, :, :2] *= bump_scale
        self._N_d = normalizeImage(self._N_d, th=1.0)

        self._view.render(normalToColor(self._N_b))
    def _computeInitialDetailNormal(self):
        bump_scale = self._parameters["bumpScale"].value()

        self._N_b[:, :, :2] *= bump_scale
        self._N_b = normalizeImage(self._N_b, th=1.0)

        self._N_d[:, :, :2] *= bump_scale
        self._N_d = normalizeImage(self._N_d, th=1.0)

        self._view.render(normalToColor(self._N_b))
Example #10
0
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        C0_32F = to32F(rgb(C0_8U))
        I_32F = luminance(C0_32F)

        N0_32F, A_8U = loadNormal(
            self.characterResultFile("N0_d.png",
                                     data_name="BaseDetailSepration"))
        Nd_32F, A_8U = loadNormal(
            self.characterResultFile("N_d_smooth.png",
                                     data_name="BaseDetailSepration"))
        Nb_32F, A_8U = loadNormal(
            self.characterResultFile("N_b_smooth.png",
                                     data_name="BaseDetailSepration"))

        W_32F = np.array(Nb_32F[:, :, 2])
        W_32F = W_32F
        W_32F[W_32F < 0.95] = 0.0

        L = lightEstimation(I_32F, N0_32F, A_8U)
        # L = lightEstimationByVoting(I_32F, N0_32F, A_8U)

        L_txt = 0.01 * np.int32(100 * L)

        L_img = lightSphere(L)

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05,
                            right=0.95,
                            top=0.9,
                            hspace=0.12,
                            wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(C0_8U, r'$C$')
        plot_grid.showImage(normalToColor(N0_32F, A_8U), r'$N$')
        plot_grid.showImage(setAlpha(C0_32F, W_32F), r'$Nd_z$')
        plot_grid.showImage(
            L_img, r'$L: [%s, %s, %s]$' % (L_txt[0], L_txt[1], L_txt[2]))

        showMaximize()
Example #11
0
    def keyPressEvent(self, e):
        if e.key() == Qt.Key_0:
            self._view.render(self._image)

        if e.key() == Qt.Key_1:
            if self._N_32F is None:
                self._interpolateNormal()
            A_8U = None
            if self._image.shape[2] == 4:
                A_8U = to8U(alpha(self._image))
            self._view.render(normalToColor(self._N_32F, A_8U))

        if e.key() == Qt.Key_2:
            self._interpolateNormal()
            if self._N_32F is None:
                self._interpolateNormal()
            A_8U = None
            if self._image.shape[2] == 4:
                A_8U = to8U(alpha(self._image))
            self._view.render(normalToColor(self._N_32F, A_8U))

        if e.key() == Qt.Key_Delete:
            self._normal_constraints.clear()
            self._view.update()
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N_32F, A_8U = normal_data

        N_32F = trim(N_32F, A_8U)
        A_8U = trim(A_8U, A_8U)
        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))

        I_half = half_lambert.diffuse(N_32F, L)
        I_half = setAlpha(gray2rgb(I_half), A_32F)

        I_lambert = lambert.diffuse(N_32F, L)
        I_lambert = setAlpha(gray2rgb(I_lambert), A_32F)

        fig, axes = plt.subplots(figsize=(11, 5))

        font_size = 15

        fig.subplots_adjust(left=0.05,
                            right=0.95,
                            top=0.9,
                            hspace=0.05,
                            wspace=0.05)
        fig.suptitle("Depth From Normal", fontsize=font_size)

        plt.subplot(1, 4, 1)
        plt.title(r'Normal: $N$')
        plt.imshow(normalToColor(N_32F, A_8U))
        plt.axis('off')

        plt.subplot(1, 4, 2)
        plt.title(r'Half Lambert: $I_h$')
        plt.imshow(I_half)
        plt.axis('off')

        plt.subplot(1, 4, 3)
        plt.title(r'Lambert: $I_l$')
        plt.imshow(I_lambert)
        plt.axis('off')

        showMaximize()
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        C0_32F = to32F(rgb(C0_8U))
        I_32F = luminance(C0_32F)

        N0_32F, A_8U = loadNormal(self.characterResultFile("N0_d.png", data_name="BaseDetailSepration"))
        Nd_32F, A_8U = loadNormal(self.characterResultFile("N_d_smooth.png", data_name="BaseDetailSepration"))
        Nb_32F, A_8U = loadNormal(self.characterResultFile("N_b_smooth.png", data_name="BaseDetailSepration"))

        W_32F = np.array(Nb_32F[:, :, 2])
        W_32F = W_32F
        W_32F[W_32F < 0.95] = 0.0

        L = lightEstimation(I_32F, N0_32F, A_8U)
        # L = lightEstimationByVoting(I_32F, N0_32F, A_8U)

        L_txt = 0.01 * np.int32(100 * L)

        L_img = lightSphere(L)

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(C0_8U, r'$C$')
        plot_grid.showImage(normalToColor(N0_32F, A_8U), r'$N$')
        plot_grid.showImage(setAlpha(C0_32F, W_32F), r'$Nd_z$')
        plot_grid.showImage(L_img, r'$L: [%s, %s, %s]$' %(L_txt[0], L_txt[1], L_txt[2]))

        showMaximize()
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N_32F, A_8U = normal_data

        N_32F = trim(N_32F, A_8U)
        A_8U = trim(A_8U, A_8U)
        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.3, 0.7]))

        I_half = half_lambert.diffuse(N_32F, L)
        I_half = setAlpha(gray2rgb(I_half), A_32F)

        I_lambert = lambert.diffuse(N_32F, L)
        I_lambert = setAlpha(gray2rgb(I_lambert), A_32F)

        fig, axes = plt.subplots(figsize=(11, 5))

        font_size = 15

        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.05, wspace=0.05)
        fig.suptitle("Depth From Normal", fontsize=font_size)

        plt.subplot(1, 4, 1)
        plt.title(r'Normal: $N$')
        plt.imshow(normalToColor(N_32F, A_8U))
        plt.axis('off')

        plt.subplot(1, 4, 2)
        plt.title(r'Half Lambert: $I_h$')
        plt.imshow(I_half)
        plt.axis('off')

        plt.subplot(1, 4, 3)
        plt.title(r'Lambert: $I_l$')
        plt.imshow(I_lambert)
        plt.axis('off')

        showMaximize()
Example #15
0
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data
        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.4, 0.7]))

        C0_32F = LambertShader().diffuseShading(L, N0_32F)
        I_32F = luminance(C0_32F)

        br_field = BrightnessField(I_32F, sigma=5.0)
        I_smooth_32F = br_field.smoothBrightness()
        dI = br_field.brightnessDifference()
        gx, gy = br_field.gradients()

        N_32F = br_field.field()

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05,
                            right=0.95,
                            top=0.9,
                            hspace=0.12,
                            wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 2
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)
        plot_grid.showImage(I_32F, r'$I$')
        plot_grid.showColorMap(dI, r'$dI$')
        plot_grid.showColorMap(gx, r'$gx$')
        plot_grid.showColorMap(gy, r'$gy$')

        plot_grid.showImage(normalToColor(N_32F, A_8U), r'$N$')
        plot_grid.showImage(N_32F[:, :, 2], r'$N_z$')

        showMaximize()
Example #16
0
    def _runColorMap(self, colormap_file, Ng_32F, N0_32F, A_8U):
        M_32F = loadColorMap(colormap_file)

        L0 = normalizeVector(np.array([-0.2, 0.3, 0.6]))
        L0_img = lightSphere(L0)
        L0_txt = 0.01 * np.int32(100 * L0)

        C0_32F = ColorMapShader(M_32F).diffuseShading(L0, Ng_32F)
        I_32F = luminance(C0_32F)

        L = lightEstimation(I_32F, N0_32F, A_8U)

        L_txt = 0.01 * np.int32(100 * L)
        L_img = lightSphere(L)

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05,
                            right=0.95,
                            top=0.9,
                            hspace=0.12,
                            wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 1
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)

        plot_grid.showImage(setAlpha(C0_32F, A_8U),
                            r'Input image: $\mathbf{c}$',
                            font_size=font_size)
        plot_grid.showImage(normalToColor(N0_32F, A_8U),
                            r'Initial normal: $\mathbf{N}_0$')
        plot_grid.showImage(
            L0_img, r'Ground trugh light: $L_g = (%s, %s, %s)$' %
            (L0_txt[0], L0_txt[1], L0_txt[2]))
        plot_grid.showImage(
            L_img, r'Estimated light: $L = (%s, %s, %s)$' %
            (L_txt[0], L_txt[1], L_txt[2]))

        showMaximize()
    def _runImp(self):
        normal_data = loadNormal(self._data_file)

        if normal_data is None:
            return

        N0_32F, A_8U = normal_data
        A_32F = to32F(A_8U)

        L = normalizeVector(np.array([-0.2, 0.4, 0.7]))

        C0_32F = LambertShader().diffuseShading(L, N0_32F)
        I_32F = luminance(C0_32F)

        br_field = BrightnessField(I_32F, sigma=5.0)
        I_smooth_32F = br_field.smoothBrightness()
        dI = br_field.brightnessDifference()
        gx, gy = br_field.gradients()

        N_32F = br_field.field()

        fig, axes = plt.subplots(figsize=(11, 5))
        font_size = 15
        fig.subplots_adjust(left=0.05, right=0.95, top=0.9, hspace=0.12, wspace=0.05)
        fig.suptitle(self.name(), fontsize=font_size)

        num_rows = 2
        num_cols = 4
        plot_grid = SubplotGrid(num_rows, num_cols)
        plot_grid.showImage(I_32F, r'$I$')
        plot_grid.showColorMap(dI, r'$dI$')
        plot_grid.showColorMap(gx, r'$gx$')
        plot_grid.showColorMap(gy, r'$gy$')

        plot_grid.showImage(normalToColor(N_32F, A_8U), r'$N$')
        plot_grid.showImage(N_32F[:, :, 2], r'$N_z$')

        showMaximize()
Example #18
0
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        A_32F = to32F(A_8U)

        C0_32F = to32F(rgb(C0_8U))
        I0_32F = luminance(C0_32F)

        initial_normals = ["N_lumo.png", "N0_d.png"]

        layer_name = os.path.splitext(os.path.basename(layer_file))[0]

        for initial_normal in initial_normals:
            N0_32F, AN_8U = loadNormal(
                self.characterResultFile(initial_normal,
                                         data_name="BaseDetailSepration"))
            N_32F, L, C_32F, M = self._runSFS(C0_32F, A_8U, N0_32F, AN_8U)

            L_img = lightSphere(L)

            M_img = M.mapImage()

            fig, axes = plt.subplots(figsize=(11, 5))
            font_size = 15
            fig.subplots_adjust(left=0.02,
                                right=0.98,
                                top=0.9,
                                hspace=0.12,
                                wspace=0.02)
            fig.suptitle(self.name(), fontsize=font_size)

            num_rows = 1
            num_cols = 4
            plot_grid = SubplotGrid(num_rows, num_cols)

            plot_grid.showImage(normalToColor(N0_32F, A_8U),
                                r'Initial Normal: $N_0$')
            plot_grid.showImage(normalToColor(N_32F, A_8U),
                                r'Estimated Normal: $N$')
            plot_grid.showImage(C0_8U, r'Shading: $C_0$')
            plot_grid.showImage(setAlpha(C_32F, A_32F),
                                r'Recovered Shading: $C$')

            out_file_path = self.characterResultFile("ToonSFS" +
                                                     initial_normal,
                                                     layer_name=layer_name)
            plt.savefig(out_file_path)

            N_trim = trim(N_32F, A_8U)
            N0_trim = trim(N0_32F, A_8U)
            C0_trim = trim(C0_32F, A_8U)
            A_trim = trim(A_8U, A_8U)

            out_file_path = self.characterResultFile(initial_normal,
                                                     layer_name=layer_name)
            saveNormal(out_file_path, N_trim, A_trim)

            images = self._relightingImages(N_trim, A_trim, M)

            initial_normal_name = os.path.splitext(initial_normal)[0]
            video_name = "Relighting" + initial_normal_name + ".wmv"
            out_file_path = self.characterResultFile(video_name,
                                                     layer_name=layer_name)
            saveVideo(out_file_path, images)

            images = self._relightingOffsetImages(L, C0_trim, N0_trim, A_trim,
                                                  M)
            video_name = "RelightingOffset" + initial_normal_name + ".wmv"
            out_file_path = self.characterResultFile(video_name,
                                                     layer_name=layer_name)
            saveVideo(out_file_path, images)
def LambertShadingFigure():
    target_shapes = ["Sphere", "Cone", "Blob1", "Man", "Cone", "OctaFlower", "Pulley", "Grog", "Lucy", "Raptor"]
    target_shapes = ["Blob1", "Pulley", "Lucy"]
    shape_names = target_shapes

    num_rows = len(shape_names)
    num_cols = 6

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02, right=0.98, top=0.96, bottom=0.02, hspace=0.15, wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.2, 0.3, 0.6]))

    for si, shape_name in enumerate(shape_names):
        Ng_data = shapeFile(shape_name)

        Ng_data = loadNormal(Ng_data)
        Ng_32F, A_8U = Ng_data

        N0_file = shapeResultFile(result_name="InitialNormal", data_name=shape_name)
        N0_data = loadNormal(N0_file)
        N0_32F, A_8U = N0_data

        C0_32F = LambertShader().diffuseShading(L, Ng_32F)

        sfs_method = ToonSFS(L, C0_32F, A_8U)
        sfs_method.setInitialNormal(N0_32F)
        sfs_method.setNumIterations(iterations=70)
        sfs_method.setWeights(w_lap=1.0)
        sfs_method.run()
        N_32F = sfs_method.normal()
        C_32F = sfs_method.shading()
        C_error = sfs_method.shadingError()
        C_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        C_error = trim(C_error, A_8U)

        h, w = A_8U.shape
        N_error = angleErros(N_32F.reshape(-1, 3), Ng_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        N_error = trim(N_error, A_8U)

        title = ""
        if si == 0:
            title =  "Ground-truth"
        plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), title)

        title = ""
        if si == 0:
            title =  "Our result"
        plot_grid.showImage(setAlpha(C_32F, to32F(A_8U)), title)

        title = ""
        if si == 0:
            title = "Error (shading)"
        plot_grid.showColorMap(C_error, title, v_min=0, v_max=0.1, with_colorbar=True)

        title = ""
        if si == 0:
            title =  "Ground-truth"
        plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

        title = ""
        if si == 0:
            title = "Our result"
        plot_grid.showImage(normalToColor(N_32F, A_8U), title)

        title = ""
        if si == 0:
            title = "Error (shape)"

        plot_grid.showColorMap(N_error, title, v_min=0, v_max=30.0, with_colorbar=True)

    file_path = shapeResultFile("ShapeEstimation", "LambertEstimationError", file_ext=".pdf")
    fig.savefig(file_path, transparent=True)
def methodComparisonFigure(shape_name="ThreeBox", cmap_id=10):
    num_methods = 3
    num_rows = 3
    num_cols = 2 * num_methods + 1

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02,
                        right=0.98,
                        top=0.96,
                        bottom=0.04,
                        hspace=0.15,
                        wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.4, 0.5, 0.6]))

    Ng_data = shapeFile(shape_name)
    Ng_data = loadNormal(Ng_data)
    Ng_32F, A_8U = Ng_data

    N0_file = shapeResultFile(result_name="InitialNormal",
                              data_name=shape_name)
    N0_data = loadNormal(N0_file)
    N0_32F, A_8U = N0_data
    A_8U = cv2.bilateralFilter(A_8U, 0, 5, 2)

    colormap_file = colorMapFile(cmap_id)
    M_32F = loadColorMap(colormap_file)
    C0_32F = ColorMapShader(M_32F).diffuseShading(L, Ng_32F)

    toon_sfs = ToonSFS(L, C0_32F, A_8U)
    toon_sfs.setInitialNormal(N0_32F)
    toon_sfs.setNumIterations(iterations=100)
    toon_sfs.setWeights(w_lap=0.1)
    toon_sfs.run()

    N_toon = toon_sfs.normal()
    C_toon = toon_sfs.shading()

    C_lumo, N_lumo = lumoSFS(C0_32F, L, N0_32F, A_8U)
    C_wu, N_wu = wuSFS(C0_32F, L, N0_32F, A_8U)

    C_error_toon, N_error_toon, I_error_toon = computeErrors(
        L, C0_32F, C_toon, Ng_32F, N_toon, A_8U)
    C_error_lumo, N_error_lumo, I_error_lumo = computeErrors(
        L, C0_32F, C_lumo, Ng_32F, N_lumo, A_8U)
    C_error_wu, N_error_wu, I_error_wu = computeErrors(L, C0_32F, C_wu, Ng_32F,
                                                       N_wu, A_8U)

    plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), "Ground-truth")

    title = ""
    plot_grid.showImage(setAlpha(C_lumo, to32F(A_8U)), "Lumo")
    plot_grid.showColorMap(C_error_lumo,
                           title,
                           v_min=0,
                           v_max=0.1,
                           with_colorbar=True)
    plot_grid.showImage(setAlpha(C_wu, to32F(A_8U)), "Lambert assumption")
    plot_grid.showColorMap(C_error_wu,
                           title,
                           v_min=0,
                           v_max=0.1,
                           with_colorbar=True)
    plot_grid.showImage(setAlpha(C_toon, to32F(A_8U)), "Our result")
    plot_grid.showColorMap(C_error_toon,
                           title,
                           v_min=0,
                           v_max=0.1,
                           with_colorbar=True)

    plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

    plot_grid.showImage(normalToColor(N_lumo, A_8U), title)
    plot_grid.showColorMap(N_error_lumo,
                           title,
                           v_min=0,
                           v_max=50.0,
                           with_colorbar=True)
    plot_grid.showImage(normalToColor(N_wu, A_8U), title)
    plot_grid.showColorMap(N_error_wu,
                           title,
                           v_min=0,
                           v_max=50.0,
                           with_colorbar=True)
    plot_grid.showImage(normalToColor(N_toon, A_8U), title)
    plot_grid.showColorMap(N_error_toon,
                           title,
                           v_min=0,
                           v_max=50.0,
                           with_colorbar=True)

    plot_grid.showImage(computeIllumination(L, Ng_32F, A_8U), title)

    plot_grid.showImage(computeIllumination(L, N_lumo, A_8U), title)
    plot_grid.showColorMap(I_error_lumo,
                           title,
                           v_min=0,
                           v_max=0.2,
                           with_colorbar=True)
    plot_grid.showImage(computeIllumination(L, N_wu, A_8U), title)
    plot_grid.showColorMap(I_error_wu,
                           title,
                           v_min=0,
                           v_max=0.2,
                           with_colorbar=True)
    plot_grid.showImage(computeIllumination(L, N_toon, A_8U), title)
    plot_grid.showColorMap(I_error_toon,
                           title,
                           v_min=0,
                           v_max=0.2,
                           with_colorbar=True)

    # showMaximize()
    file_path = shapeResultFile("ShapeEstimation",
                                "Comparison_%s_%s" % (shape_name, cmap_id),
                                file_ext=".png")
    fig.savefig(file_path, transparent=True)
def materialShapeVariationFigure():
    target_colormaps = [23, 3, 12]
    #target_colormaps = [3, 17]
    colormap_files = [colorMapFile(cmap_id) for cmap_id in target_colormaps]

    target_shapes = ["Blob1", "ThreeBox"]
    shape_names = target_shapes
    #shape_names = shapeNames()[4:5]

    num_shapes = len(shape_names)
    num_colormaps = len(colormap_files)
    num_rows = num_colormaps
    num_cols = 6

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02,
                        right=0.98,
                        top=0.96,
                        bottom=0.02,
                        hspace=0.15,
                        wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.4, 0.5, 0.6]))

    shape_name = "Blob1"

    Ng_data = shapeFile(shape_name)
    Ng_data = loadNormal(Ng_data)
    Ng_32F, A_8U = Ng_data

    N0_file = shapeResultFile(result_name="InitialNormal",
                              data_name=shape_name)
    N0_data = loadNormal(N0_file)
    N0_32F, A_8U = N0_data

    for mi, colormap_file in enumerate(colormap_files):
        M_32F = loadColorMap(colormap_file)
        C0_32F = ColorMapShader(M_32F).diffuseShading(L, Ng_32F)

        sfs_method = ToonSFS(L, C0_32F, A_8U)
        sfs_method.setInitialNormal(N0_32F)
        sfs_method.setNumIterations(iterations=40)
        sfs_method.setWeights(w_lap=5.0)
        sfs_method.run()

        N_32F = sfs_method.normal()
        C_32F = sfs_method.shading()
        #C_32F = cv2.bilateralFilter(C_32F, 0, 0.1, 3)
        C_error = sfs_method.shadingError()

        C_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        C_error = trim(C_error, A_8U)

        h, w = A_8U.shape
        N_error = angleErros(N_32F.reshape(-1, 3),
                             Ng_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        N_error = trim(N_error, A_8U)

        title = ""

        if mi == 0:
            title = "Ground-truth"
        plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), title)

        title = ""
        if mi == 0:
            title = "Our result"
        plot_grid.showImage(setAlpha(C_32F, to32F(A_8U)), title)

        title = ""
        if mi == 0:
            title = "Error (shading)"
        plot_grid.showColorMap(C_error,
                               title,
                               v_min=0,
                               v_max=0.1,
                               with_colorbar=True)

        title = ""
        if mi == 0:
            title = "Ground-truth"
        plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

        title = ""
        if mi == 0:
            title = "Our result"
        plot_grid.showImage(normalToColor(N_32F, A_8U), title)

        title = ""
        if mi == 0:
            title = "Error (shape)"

        plot_grid.showColorMap(N_error,
                               title,
                               v_min=0,
                               v_max=50.0,
                               with_colorbar=True)

    #showMaximize()
    file_path = shapeResultFile("ShapeEstimation",
                                "MaterialShapeEvaluation",
                                file_ext=".pdf")
    fig.savefig(file_path, transparent=False)
def LambertShadingFigure():
    target_shapes = [
        "Sphere", "Cone", "Blob1", "Man", "Cone", "OctaFlower", "Pulley",
        "Grog", "Lucy", "Raptor"
    ]
    target_shapes = ["Blob1", "Pulley", "Lucy"]
    shape_names = target_shapes

    num_rows = len(shape_names)
    num_cols = 6

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02,
                        right=0.98,
                        top=0.96,
                        bottom=0.02,
                        hspace=0.15,
                        wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.2, 0.3, 0.6]))

    for si, shape_name in enumerate(shape_names):
        Ng_data = shapeFile(shape_name)

        Ng_data = loadNormal(Ng_data)
        Ng_32F, A_8U = Ng_data

        N0_file = shapeResultFile(result_name="InitialNormal",
                                  data_name=shape_name)
        N0_data = loadNormal(N0_file)
        N0_32F, A_8U = N0_data

        C0_32F = LambertShader().diffuseShading(L, Ng_32F)

        sfs_method = ToonSFS(L, C0_32F, A_8U)
        sfs_method.setInitialNormal(N0_32F)
        sfs_method.setNumIterations(iterations=70)
        sfs_method.setWeights(w_lap=1.0)
        sfs_method.run()
        N_32F = sfs_method.normal()
        C_32F = sfs_method.shading()
        C_error = sfs_method.shadingError()
        C_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        C_error = trim(C_error, A_8U)

        h, w = A_8U.shape
        N_error = angleErros(N_32F.reshape(-1, 3),
                             Ng_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        N_error = trim(N_error, A_8U)

        title = ""
        if si == 0:
            title = "Ground-truth"
        plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), title)

        title = ""
        if si == 0:
            title = "Our result"
        plot_grid.showImage(setAlpha(C_32F, to32F(A_8U)), title)

        title = ""
        if si == 0:
            title = "Error (shading)"
        plot_grid.showColorMap(C_error,
                               title,
                               v_min=0,
                               v_max=0.1,
                               with_colorbar=True)

        title = ""
        if si == 0:
            title = "Ground-truth"
        plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

        title = ""
        if si == 0:
            title = "Our result"
        plot_grid.showImage(normalToColor(N_32F, A_8U), title)

        title = ""
        if si == 0:
            title = "Error (shape)"

        plot_grid.showColorMap(N_error,
                               title,
                               v_min=0,
                               v_max=30.0,
                               with_colorbar=True)

    file_path = shapeResultFile("ShapeEstimation",
                                "LambertEstimationError",
                                file_ext=".pdf")
    fig.savefig(file_path, transparent=True)
Example #23
0
def saveNormal(file_path, N_32F, A_8U=None):
    C_8U = normalToColor(N_32F, A_8U)
    saveImage(file_path, C_8U)
Example #24
0
 def normalColor(self):
     A_8U = alpha(self._image)
     return normalToColor(self._normal, A_8U)
def materialShapeVariationFigure():
    target_colormaps = [23, 3, 12]
    #target_colormaps = [3, 17]
    colormap_files = [colorMapFile(cmap_id) for cmap_id in target_colormaps]

    target_shapes = ["Blob1", "ThreeBox"]
    shape_names = target_shapes
    #shape_names = shapeNames()[4:5]

    num_shapes = len(shape_names)
    num_colormaps = len(colormap_files)
    num_rows = num_colormaps
    num_cols = 6

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02, right=0.98, top=0.96, bottom=0.02, hspace=0.15, wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.4, 0.5, 0.6]))

    shape_name = "Blob1"

    Ng_data = shapeFile(shape_name)
    Ng_data = loadNormal(Ng_data)
    Ng_32F, A_8U = Ng_data

    N0_file = shapeResultFile(result_name="InitialNormal", data_name=shape_name)
    N0_data = loadNormal(N0_file)
    N0_32F, A_8U = N0_data

    for mi, colormap_file in enumerate(colormap_files):
        M_32F = loadColorMap(colormap_file)
        C0_32F = ColorMapShader(M_32F).diffuseShading(L, Ng_32F)

        sfs_method = ToonSFS(L, C0_32F, A_8U)
        sfs_method.setInitialNormal(N0_32F)
        sfs_method.setNumIterations(iterations=40)
        sfs_method.setWeights(w_lap=5.0)
        sfs_method.run()

        N_32F = sfs_method.normal()
        C_32F = sfs_method.shading()
            #C_32F = cv2.bilateralFilter(C_32F, 0, 0.1, 3)
        C_error = sfs_method.shadingError()

        C_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        C_error = trim(C_error, A_8U)

        h, w = A_8U.shape
        N_error = angleErros(N_32F.reshape(-1, 3), Ng_32F.reshape(-1, 3)).reshape(h, w)
        N_error[A_8U < 0.5 * np.max(A_8U)] = 0.0
        N_error = trim(N_error, A_8U)

        title = ""

        if mi == 0:
            title =  "Ground-truth"
        plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), title)

        title = ""
        if mi == 0:
            title =  "Our result"
        plot_grid.showImage(setAlpha(C_32F, to32F(A_8U)), title)

        title = ""
        if mi == 0:
            title = "Error (shading)"
        plot_grid.showColorMap(C_error, title, v_min=0, v_max=0.1, with_colorbar=True)

        title = ""
        if mi == 0:
            title =  "Ground-truth"
        plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

        title = ""
        if mi == 0:
            title = "Our result"
        plot_grid.showImage(normalToColor(N_32F, A_8U), title)

        title = ""
        if mi == 0:
            title = "Error (shape)"

        plot_grid.showColorMap(N_error, title, v_min=0, v_max=50.0, with_colorbar=True)

    #showMaximize()
    file_path = shapeResultFile("ShapeEstimation", "MaterialShapeEvaluation", file_ext=".pdf")
    fig.savefig(file_path, transparent=False)
Example #26
0
    def _runLayer(self, layer_file):
        C0_8U = loadRGBA(layer_file)

        if C0_8U is None:
            return

        A_8U = alpha(C0_8U)

        if A_8U is None:
            return

        A_32F = to32F(A_8U)

        C0_32F = to32F(rgb(C0_8U))
        I0_32F = luminance(C0_32F)

        initial_normals = ["N_lumo.png", "N0_d.png"]

        layer_name = os.path.splitext(os.path.basename(layer_file))[0]

        for initial_normal in initial_normals:
            N0_32F, AN_8U = loadNormal(self.characterResultFile(initial_normal, data_name="BaseDetailSepration"))
            N_32F, L, C_32F, M = self._runSFS(C0_32F, A_8U, N0_32F, AN_8U)

            L_img = lightSphere(L)

            M_img = M.mapImage()

            fig, axes = plt.subplots(figsize=(11, 5))
            font_size = 15
            fig.subplots_adjust(left=0.02, right=0.98, top=0.9, hspace=0.12, wspace=0.02)
            fig.suptitle(self.name(), fontsize=font_size)

            num_rows = 1
            num_cols = 4
            plot_grid = SubplotGrid(num_rows, num_cols)

            plot_grid.showImage(normalToColor(N0_32F, A_8U), r'Initial Normal: $N_0$')
            plot_grid.showImage(normalToColor(N_32F, A_8U), r'Estimated Normal: $N$')
            plot_grid.showImage(C0_8U, r'Shading: $C_0$')
            plot_grid.showImage(setAlpha(C_32F, A_32F), r'Recovered Shading: $C$')

            out_file_path = self.characterResultFile("ToonSFS" + initial_normal, layer_name=layer_name)
            plt.savefig(out_file_path)

            N_trim = trim(N_32F, A_8U)
            N0_trim = trim(N0_32F, A_8U)
            C0_trim = trim(C0_32F, A_8U)
            A_trim = trim(A_8U, A_8U)


            out_file_path = self.characterResultFile(initial_normal, layer_name=layer_name)
            saveNormal(out_file_path, N_trim, A_trim)

            images = self._relightingImages(N_trim, A_trim, M)

            initial_normal_name = os.path.splitext(initial_normal)[0]
            video_name = "Relighting" + initial_normal_name + ".wmv"
            out_file_path = self.characterResultFile(video_name, layer_name=layer_name)
            saveVideo(out_file_path, images)

            images = self._relightingOffsetImages(L, C0_trim, N0_trim, A_trim, M)
            video_name = "RelightingOffset" + initial_normal_name + ".wmv"
            out_file_path = self.characterResultFile(video_name, layer_name=layer_name)
            saveVideo(out_file_path, images)
def overviewFigure():
    cmap_id = 10
    colormap_file = colorMapFile(cmap_id)

    num_rows = 1
    num_cols = 5

    w = 10
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02, right=0.98, top=0.96, bottom=0.02, hspace=0.05, wspace=0.05)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.4, 0.6, 0.6]))
    L_img = lightSphere(L)

    shape_name = "ThreeBox"

    Ng_data = shapeFile(shape_name)
    Ng_data = loadNormal(Ng_data)
    Ng_32F, A_8U = Ng_data

    N0_file = shapeResultFile(result_name="InitialNormal", data_name=shape_name)
    N0_data = loadNormal(N0_file)
    N0_32F, A_8U = N0_data

    M_32F = loadColorMap(colormap_file)
    Cg_32F = ColorMapShader(M_32F).diffuseShading(L, Ng_32F)

    borders=[0.6, 0.8, 0.92]
    colors = [np.array([0.2, 0.2, 0.4]),
              np.array([0.3, 0.3, 0.6]),
              np.array([0.4, 0.4, 0.8]),
              np.array([0.5, 0.5, 1.0])]
    #Cg_32F = ToonShader(borders, colors).diffuseShading(L, Ng_32F)
    #Cg_32F = cv2.GaussianBlur(Cg_32F, (0,0), 2.0)

    sfs_method = ToonSFS(L, Cg_32F, A_8U)
    sfs_method.setInitialNormal(N0_32F)
    sfs_method.setNumIterations(iterations=40)
    sfs_method.setWeights(w_lap=10.0)
    sfs_method.run()

    N_32F = sfs_method.normal()
    I_32F = np.float32(np.clip(LdotN(L, N_32F), 0.0, 1.0))
    I0_32F = np.float32(np.clip(LdotN(L, N0_32F), 0.0, 1.0))
    C_32F = sfs_method.shading()
    C0_32F = sfs_method.initialShading()

    M_32F = sfs_method.colorMap().mapImage()

    L1 = normalizeVector(np.array([0.0, 0.6, 0.6]))
    L1_img = lightSphere(L1)
    C1_32F = sfs_method.relighting(L1)

    L2 = normalizeVector(np.array([0.5, 0.8, 0.6]))
    L2_img = lightSphere(L2)
    C2_32F = sfs_method.relighting(L2)

    N_sil = silhouetteNormal(A_8U, sigma=7.0)
    N_sil[:, :, 2]  = N_sil[:, :, 2] ** 10.0
    N_sil = normalizeImage(N_sil)
    A_sil = 1.0 - N_sil[:, :, 2]
    A_sil = to8U(A_sil)
    N_xy = N_sil[:, :, 0] ** 2 + N_sil[:, :, 1] ** 2
    A_sil[N_xy < 0.1] = 0

    title = ""
    plot_grid.showImage(setAlpha(Cg_32F, to32F(A_8U)), title)
    plot_grid.showImage(normalToColor(N0_32F, A_8U), title)
    plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), title)
    plot_grid.showImage(normalToColor(N_32F, A_8U), title)

    plot_grid.showImage(setAlpha(C_32F, to32F(A_8U)), title)
    # plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

    #showMaximize()
    file_path = shapeResultFile("Overview", "Overview")
    fig.savefig(file_path, transparent=True)

    file_path = shapeResultFile("Overview", "Cg")
    saveRGBA(file_path, setAlpha(Cg_32F, to32F(A_8U)))

    file_path = shapeResultFile("Overview", "L")
    saveRGB(file_path, gray2rgb(to8U(L_img)))

    file_path = shapeResultFile("Overview", "L1")
    saveRGB(file_path, gray2rgb(to8U(L1_img)))

    file_path = shapeResultFile("Overview", "L2")
    saveRGB(file_path, gray2rgb(to8U(L2_img)))

    file_path = shapeResultFile("Overview", "N0")
    saveNormal(file_path, N0_32F, A_8U)

    file_path = shapeResultFile("Overview", "N_sil")
    saveNormal(file_path, N_sil, A_sil)

    file_path = shapeResultFile("Overview", "N")
    saveNormal(file_path, N_32F, A_8U)

    file_path = shapeResultFile("Overview", "C0")
    saveRGBA(file_path, setAlpha(C0_32F, to32F(A_8U)))

    file_path = shapeResultFile("Overview", "C")
    saveRGBA(file_path, setAlpha(C_32F, to32F(A_8U)))

    file_path = shapeResultFile("Overview", "C1")
    saveRGBA(file_path, setAlpha(C1_32F, to32F(A_8U)))

    file_path = shapeResultFile("Overview", "C2")
    saveRGBA(file_path, setAlpha(C2_32F, to32F(A_8U)))

    file_path = shapeResultFile("Overview", "I")
    saveRGBA(file_path, setAlpha(gray2rgb(I_32F), to32F(A_8U)))

    file_path = shapeResultFile("Overview", "I0")
    saveRGBA(file_path, setAlpha(gray2rgb(I0_32F), to32F(A_8U)))

    file_path = shapeResultFile("Overview", "M")
    saveRGB(file_path, M_32F)
def lightEstimationFigure():
    target_colormaps = [23, 0, 6, 22, 4, 12]
    target_shapes = ["Raptor", "Man", "Blob1", "OctaFlower", "Pulley", "Cone"]
    colormap_files = [colorMapFile(cmap_id) for cmap_id in target_colormaps]
    shape_names = target_shapes

    num_rows = len(shape_names) + 1
    num_cols = len(colormap_files) + 1

    w = 10
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02, right=0.98, top=0.98, bottom=0.02, hspace=0.05, wspace=0.05)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    Lg = normalizeVector(np.array([-0.2, 0.3, 0.6]))
    Lg_img = lightSphere(Lg)

    plot_grid.showImage(Lg_img, "")

    Ms = []

    for colormap_file in colormap_files:
        M_32F = loadColorMap(colormap_file)
        Cs_32F = colorMapSphere(Lg, M_32F)

        plot_grid.showImage(Cs_32F, "")

        Ms.append(M_32F)

    L_errors = np.zeros((num_rows, num_cols))

    for si, shape_name in enumerate(shape_names):
        Ng_data = shapeFile(shape_name)

        Ng_data = loadNormal(Ng_data)
        Ng_32F, A_8U = Ng_data

        N0_file = shapeResultFile(result_name="InitialNormal", data_name=shape_name)
        N0_data = loadNormal(N0_file)
        N0_32F, A_8U = N0_data

        plot_grid.showImage(normalToColor(Ng_32F, A_8U), "")

        for mi, M_32F in enumerate(Ms):
            C0_32F = ColorMapShader(M_32F).diffuseShading(Lg, Ng_32F)
            I_32F = luminance(C0_32F)

            L = lightEstimation(I_32F, N0_32F, A_8U)
            L_errors[si, mi] = angleError(Lg, L)

            L_img = lightSphereColorMap(L, v=L_errors[si, mi], v_min=0, v_max=40)

            plot_grid.showImage(L_img, "")

    L_error_min, L_error_max = np.min(L_errors), np.max(L_errors)

    file_path = shapeResultFile("LightEstimation", "LightEstimationError")
    fig.savefig(file_path, transparent=True)
Example #29
0
def saveNormal(file_path, N_32F, A_8U=None):
    C_8U = normalToColor(N_32F, A_8U)
    saveImage(file_path, C_8U)
def methodComparisonFigure(shape_name="ThreeBox", cmap_id=10):
    num_methods = 3
    num_rows = 3
    num_cols = 2 * num_methods + 1

    w = 20
    h = w * num_rows / num_cols

    fig, axes = plt.subplots(figsize=(w, h))
    font_size = 15
    fig.subplots_adjust(left=0.02, right=0.98, top=0.96, bottom=0.04, hspace=0.15, wspace=0.1)
    fig.suptitle("", fontsize=font_size)

    plot_grid = SubplotGrid(num_rows, num_cols)

    L = normalizeVector(np.array([-0.4, 0.5, 0.6]))

    Ng_data = shapeFile(shape_name)
    Ng_data = loadNormal(Ng_data)
    Ng_32F, A_8U = Ng_data

    N0_file = shapeResultFile(result_name="InitialNormal", data_name=shape_name)
    N0_data = loadNormal(N0_file)
    N0_32F, A_8U = N0_data
    A_8U = cv2.bilateralFilter(A_8U, 0, 5, 2)

    colormap_file = colorMapFile(cmap_id)
    M_32F = loadColorMap(colormap_file)
    C0_32F = ColorMapShader(M_32F).diffuseShading(L, Ng_32F)

    toon_sfs = ToonSFS(L, C0_32F, A_8U)
    toon_sfs.setInitialNormal(N0_32F)
    toon_sfs.setNumIterations(iterations=100)
    toon_sfs.setWeights(w_lap=0.1)
    toon_sfs.run()

    N_toon = toon_sfs.normal()
    C_toon = toon_sfs.shading()

    C_lumo, N_lumo = lumoSFS(C0_32F, L, N0_32F, A_8U)
    C_wu, N_wu = wuSFS(C0_32F, L, N0_32F, A_8U)

    C_error_toon, N_error_toon, I_error_toon = computeErrors(L, C0_32F, C_toon, Ng_32F, N_toon, A_8U)
    C_error_lumo, N_error_lumo, I_error_lumo = computeErrors(L, C0_32F, C_lumo, Ng_32F, N_lumo, A_8U)
    C_error_wu, N_error_wu, I_error_wu = computeErrors(L, C0_32F, C_wu, Ng_32F, N_wu, A_8U)

    plot_grid.showImage(setAlpha(C0_32F, to32F(A_8U)), "Ground-truth")

    title = ""
    plot_grid.showImage(setAlpha(C_lumo, to32F(A_8U)), "Lumo")
    plot_grid.showColorMap(C_error_lumo, title, v_min=0, v_max=0.1, with_colorbar=True)
    plot_grid.showImage(setAlpha(C_wu, to32F(A_8U)), "Lambert assumption")
    plot_grid.showColorMap(C_error_wu, title, v_min=0, v_max=0.1, with_colorbar=True)
    plot_grid.showImage(setAlpha(C_toon, to32F(A_8U)), "Our result")
    plot_grid.showColorMap(C_error_toon, title, v_min=0, v_max=0.1, with_colorbar=True)

    plot_grid.showImage(normalToColor(Ng_32F, A_8U), title)

    plot_grid.showImage(normalToColor(N_lumo, A_8U), title)
    plot_grid.showColorMap(N_error_lumo, title, v_min=0, v_max=50.0, with_colorbar=True)
    plot_grid.showImage(normalToColor(N_wu, A_8U), title)
    plot_grid.showColorMap(N_error_wu, title, v_min=0, v_max=50.0, with_colorbar=True)
    plot_grid.showImage(normalToColor(N_toon, A_8U), title)
    plot_grid.showColorMap(N_error_toon, title, v_min=0, v_max=50.0, with_colorbar=True)

    plot_grid.showImage(computeIllumination(L, Ng_32F, A_8U), title)

    plot_grid.showImage(computeIllumination(L, N_lumo, A_8U), title)
    plot_grid.showColorMap(I_error_lumo, title, v_min=0, v_max=0.2, with_colorbar=True)
    plot_grid.showImage(computeIllumination(L, N_wu, A_8U), title)
    plot_grid.showColorMap(I_error_wu, title, v_min=0, v_max=0.2, with_colorbar=True)
    plot_grid.showImage(computeIllumination(L, N_toon, A_8U), title)
    plot_grid.showColorMap(I_error_toon, title, v_min=0, v_max=0.2, with_colorbar=True)

    # showMaximize()
    file_path = shapeResultFile("ShapeEstimation", "Comparison_%s_%s" %(shape_name, cmap_id), file_ext=".png")
    fig.savefig(file_path, transparent=True)