コード例 #1
0
ファイル: objective.py プロジェクト: alexis-mignon/pydeconv
    def __call__(self, L, P, psf_only=False):
        # compute
        utils.convolve2d(L, P, output=self._J)
        utils.dx(self._J, output=self._dxJ)
        utils.dy(self._J, output=self._dyJ)
        utils.dx(L, output=self._dxL)
        utils.dy(L, output=self._dyL)
        utils.dx_b(self._dxJ, output=self._dxxJ)
        utils.dy_b(self._dyJ, output=self._dyyJ)
        utils.dx_b(self._dyJ, output=self._dxyJ)
        # enegery for data compatibility

        R = self._J - self.I0
        dxR = self._dxJ - self._dxI0
        dyR = self._dyJ - self._dyI0
        dxxR = self._dxxJ - self._dxxI0
        dyyR = self._dyyJ - self._dyyI0
        dxyR = self._dxyJ - self._dxyI0

        E = self.w0 * utils.norm2(R)
        E += self.w1 * utils.norm2(dxR)
        E += self.w1 * utils.norm2(dyR)
        #~ E += self.w2 * utils.norm2(dxxR)
        #~ E += self.w2 * utils.norm2(dyyR)
        #~ E += self.w2 * utils.norm2(dxyR)

        if not psf_only:
            # energy for global prior
            E += self.lambda1 * utils.global_prior(self._dxL, self.a, self.b)
            E += self.lambda1 * utils.global_prior(self._dyL, self.a, self.b)
            # energy for local prior
            E += self.lambda2 * utils.local_prior(self._dxL, self._dxI0, self.M)
            E += self.lambda2 * utils.local_prior(self._dyL, self._dyI0, self.M)

        return E/self.I0.size
コード例 #2
0
    def grad_L(self, L, P):
        # compute
        utils.convolve2d(L, P, output=self._J)
        utils.dx(self._J, self._dxJ)
        utils.dy(self._J, self._dyJ)

        utils.dx(L, self._dxL)
        utils.dy(L, self._dyL)

        utils.dx_b(self._dxJ, self._dxxJ)
        utils.dy_b(self._dyJ, self._dyyJ)
        utils.dx_b(self._dyJ, self._dxyJ)

        R = self._J - self.I0
        dxR = self._dxJ - self._dxI0
        dyR = self._dyJ - self._dyI0
        dxxR = self._dxxJ - self._dxxI0
        dyyR = self._dyyJ - self._dyyI0
        dxyR = self._dxyJ - self._dxyI0
        # enegery for data compatibility

        dxP = utils.dx(P)
        dyP = utils.dy(P)
        dxxP = utils.dx_b(dxP)
        dyyP = utils.dy_b(dyP)
        dxyP = utils.dx_b(dyP)

        dL = np.zeros(L.shape)

        dL += self.w0 * utils.grad_L(P, R)
        dL += self.w1 * utils.grad_L(dxP, dxR)
        dL += self.w1 * utils.grad_L(dyP, dyR)
        #~ dL += self.w2 * utils.grad_L(dxxP, dxxR)
        #~ dL += self.w2 * utils.grad_L(dyyP, dyyR)
        #~ dL += self.w2 * utils.grad_L(dxyP, dxyR)

        dL += self.lambda1 * utils.grad_global_prior_x(self._dxL, self.a,
                                                       self.b)
        dL += self.lambda1 * utils.grad_global_prior_y(self._dyL, self.a,
                                                       self.b)

        dL += self.lambda2 * utils.grad_local_prior_x(self._dxL, self._dxI0,
                                                      self.M)
        dL += self.lambda2 * utils.grad_local_prior_y(self._dyL, self._dyI0,
                                                      self.M)

        return (dL - dL.mean()) / self.I0.size
コード例 #3
0
ファイル: objective.py プロジェクト: alexis-mignon/pydeconv
    def grad_L(self, L, P):
        # compute
        utils.convolve2d(L, P, output=self._J)
        utils.dx(self._J, self._dxJ)
        utils.dy(self._J,self._dyJ)
        
        utils.dx(L, self._dxL)
        utils.dy(L, self._dyL)
        
        utils.dx_b(self._dxJ, self._dxxJ)
        utils.dy_b(self._dyJ, self._dyyJ)
        utils.dx_b(self._dyJ, self._dxyJ)

        R = self._J - self.I0
        dxR = self._dxJ - self._dxI0
        dyR = self._dyJ - self._dyI0
        dxxR = self._dxxJ - self._dxxI0
        dyyR = self._dyyJ - self._dyyI0
        dxyR = self._dxyJ - self._dxyI0
        # enegery for data compatibility

        
        dxP = utils.dx(P)
        dyP = utils.dy(P)
        dxxP = utils.dx_b(dxP)
        dyyP = utils.dy_b(dyP)
        dxyP = utils.dx_b(dyP)

        dL = np.zeros(L.shape)
        
        dL += self.w0 * utils.grad_L(P, R)
        dL += self.w1 * utils.grad_L(dxP, dxR)
        dL += self.w1 * utils.grad_L(dyP, dyR)
        #~ dL += self.w2 * utils.grad_L(dxxP, dxxR)
        #~ dL += self.w2 * utils.grad_L(dyyP, dyyR)
        #~ dL += self.w2 * utils.grad_L(dxyP, dxyR)

        dL += self.lambda1 * utils.grad_global_prior_x(self._dxL, self.a, self.b)
        dL += self.lambda1 * utils.grad_global_prior_y(self._dyL, self.a, self.b)

        dL += self.lambda2 * utils.grad_local_prior_x(self._dxL, self._dxI0, self.M)
        dL += self.lambda2 * utils.grad_local_prior_y(self._dyL, self._dyI0, self.M)
        
        return (dL - dL.mean()) /self.I0.size 
コード例 #4
0
    def __call__(self, L, P, psf_only=False):
        # compute
        utils.convolve2d(L, P, output=self._J)
        utils.dx(self._J, output=self._dxJ)
        utils.dy(self._J, output=self._dyJ)
        utils.dx(L, output=self._dxL)
        utils.dy(L, output=self._dyL)
        utils.dx_b(self._dxJ, output=self._dxxJ)
        utils.dy_b(self._dyJ, output=self._dyyJ)
        utils.dx_b(self._dyJ, output=self._dxyJ)
        # enegery for data compatibility

        R = self._J - self.I0
        dxR = self._dxJ - self._dxI0
        dyR = self._dyJ - self._dyI0
        dxxR = self._dxxJ - self._dxxI0
        dyyR = self._dyyJ - self._dyyI0
        dxyR = self._dxyJ - self._dxyI0

        E = self.w0 * utils.norm2(R)
        E += self.w1 * utils.norm2(dxR)
        E += self.w1 * utils.norm2(dyR)
        #~ E += self.w2 * utils.norm2(dxxR)
        #~ E += self.w2 * utils.norm2(dyyR)
        #~ E += self.w2 * utils.norm2(dxyR)

        if not psf_only:
            # energy for global prior
            E += self.lambda1 * utils.global_prior(self._dxL, self.a, self.b)
            E += self.lambda1 * utils.global_prior(self._dyL, self.a, self.b)
            # energy for local prior
            E += self.lambda2 * utils.local_prior(self._dxL, self._dxI0,
                                                  self.M)
            E += self.lambda2 * utils.local_prior(self._dyL, self._dyI0,
                                                  self.M)

        return E / self.I0.size
コード例 #5
0
    def __init__(self,
                 I0,
                 w0,
                 lambda1=1e-3,
                 lambda2=10.,
                 a=1.0,
                 b=3.0,
                 cutoff=1e-6,
                 t=5):
        self.w0 = w0
        self.w1 = self.w0 / 2
        self.w2 = self.w1 / 4
        self.t = t

        self.lambda1 = lambda1
        self.lambda2 = lambda2
        self.a = a
        self.b = b
        self.cutoff = cutoff

        self.I0 = I0
        self.I0_sum = self.I0.sum(0).sum(0)

        self._dxI0 = utils.dx(self.I0)
        self._dyI0 = utils.dy(self.I0)
        self._dxxI0 = utils.dx_b(self._dxI0)
        self._dyyI0 = utils.dy_b(self._dyI0)
        self._dxyI0 = utils.dx_b(self._dyI0)

        self._dxL = np.zeros(self.I0.shape)
        self._dyL = np.zeros(self.I0.shape)
        self._dxxL = np.zeros(self.I0.shape)
        self._dyyL = np.zeros(self.I0.shape)
        self._dxyL = np.zeros(self.I0.shape)

        self._J = np.zeros(self.I0.shape)
        self._dxJ = np.zeros(self.I0.shape)
        self._dyJ = np.zeros(self.I0.shape)
        self._dxxJ = np.zeros(self.I0.shape)
        self._dyyJ = np.zeros(self.I0.shape)
        self._dxyJ = np.zeros(self.I0.shape)

        self._M = None
        self._simplex_normal = None
コード例 #6
0
ファイル: objective.py プロジェクト: alexis-mignon/pydeconv
    def __init__(self, I0, w0, lambda1=1e-3, lambda2=10.,  a=1.0, b=3.0, cutoff = 1e-6, t=5):
        self.w0 = w0
        self.w1 = self.w0/2
        self.w2 = self.w1/4
        self.t = t

        self.lambda1 = lambda1
        self.lambda2 = lambda2
        self.a = a
        self.b = b
        self.cutoff = cutoff

        self.I0 = I0
        self.I0_sum = self.I0.sum(0).sum(0)
        
        self._dxI0 = utils.dx(self.I0)
        self._dyI0 = utils.dy(self.I0)
        self._dxxI0 = utils.dx_b(self._dxI0)
        self._dyyI0 = utils.dy_b(self._dyI0)
        self._dxyI0 = utils.dx_b(self._dyI0)
        
        self._dxL = np.zeros(self.I0.shape)
        self._dyL = np.zeros(self.I0.shape)
        self._dxxL = np.zeros(self.I0.shape)
        self._dyyL = np.zeros(self.I0.shape)
        self._dxyL = np.zeros(self.I0.shape)
        
        self._J = np.zeros(self.I0.shape)
        self._dxJ = np.zeros(self.I0.shape)
        self._dyJ = np.zeros(self.I0.shape)
        self._dxxJ = np.zeros(self.I0.shape)
        self._dyyJ = np.zeros(self.I0.shape)
        self._dxyJ = np.zeros(self.I0.shape)


        self._M = None
        self._simplex_normal = None