def update_frame(val): global n global previous_angle angle = np.around(slider_rotation.val) shift = np.around(slider_translation.val) frame1 = generate_frame(angle, shift) # Slip simulation # Compute translation slipvector = NCC.normalized_cross_correlation(frame0, frame1) # Compute orientation (centroid_x, centroid_y, angle, Cov, lambda1, lambda2, std_dev_x, std_dev_y, skew_x, skew_y, compactness1, compactness2, eccentricity1, eccentricity2) = IM.compute_orientation_and_shape_features(frame1) # Track rotation current_angle, slip_angle, slip_angle_reference, n = IM.track_angle(reference_angle, previous_angle, angle, n) previous_angle = current_angle ########### # Plotting ########### ax = axes[1] ax.cla() # clear ax.imshow(frame1, cmap=cmap, vmin=0.001, vmax=1.0, interpolation='nearest') l3, l4 = plot_principal_axes_cov(centroid_x, centroid_y, Cov, UIBK_orange, ax) ax.set_title("Moving frame") ax.text(0.01, 1.0, text_template_angle%(current_angle, slip_angle), size=12, color=UIBK_orange) ax.text(0.01, 2.0, text_template_shift%(slipvector[0], slipvector[1]), size=12, color=UIBK_orange) plt.draw()
def update_frame(val): global n global reference_angle global previous_angle reference_frameID = int(np.around(slider_reference_frame.val)) current_frameID = int(np.around(slider_current_frame.val)) frame0 = loadFrame(frameManager, reference_frameID, matrixID) frame1 = loadFrame(frameManager, current_frameID, matrixID) # Compute translation between reference frames slipvector = NCC.normalized_cross_correlation(frame0, frame1) # Compute orientation of reference frame (centroid_x0, centroid_y0, angle0, Cov0, lambda10, lambda20, std_dev_x0, std_dev_y0, skew_x0, skew_y0, compactness10, compactness20, eccentricity10, eccentricity20) = IM.compute_orientation_and_shape_features(frame0) # Compute orientation of current frame features1 = IM.compute_orientation_and_shape_features(frame1) (centroid_x1, centroid_y1, angle1, Cov1, lambda11, lambda21, std_dev_x1, std_dev_y1, skew_x1, skew_y1, compactness11, compactness21, eccentricity11, eccentricity21) = features1 IM.report_shape_features("Frame %d" %current_frameID , features1) # Reset tracking if reference angle changed if abs(reference_angle-angle0) > 0.001: reference_angle = angle0 # [0, 180) previous_angle = angle0 # [0, 360) slip_angle = 0 # (-∞, ∞) n = 0 # rotation carry # Track rotation current_angle, slip_angle, slip_angle_reference, n = IM.track_angle(reference_angle, previous_angle, angle1, n) previous_angle = current_angle ########### # Plotting ########### # Reference frame plot_frame(axes[1], frame0, centroid_x0, centroid_y0, Cov0) # Current frame plot_frame(axes[2], frame1, centroid_x1, centroid_y1, Cov1) # Textbox bbox_props = dict(boxstyle="round", fc="w", ec="0.5", alpha=1.0) ax = axes[0] ax.cla() ax.axis('off') ax.text(0.5, 0.5, text_template%(current_angle, slip_angle, slipvector[0], slipvector[1]), transform=ax.transAxes, ha="center", va="center", size=14, bbox=bbox_props) plt.draw()
def update_frame(val): global n global previous_angle angle = np.around(slider_rotation.val) shift = np.around(slider_translation.val) frame1 = generate_frame(angle, shift) # Slip simulation # Compute translation slipvector = NCC.normalized_cross_correlation(frame0, frame1) # Compute orientation (centroid_x, centroid_y, angle, Cov, lambda1, lambda2, std_dev_x, std_dev_y, skew_x, skew_y, compactness1, compactness2, eccentricity1, eccentricity2) = IM.compute_orientation_and_shape_features(frame1) # Track rotation current_angle, slip_angle, slip_angle_reference, n = IM.track_angle( reference_angle, previous_angle, angle, n) previous_angle = current_angle ########### # Plotting ########### ax = axes[1] ax.cla() # clear ax.imshow(frame1, cmap=cmap, vmin=0.001, vmax=1.0, interpolation='nearest') l3, l4 = plot_principal_axes_cov(centroid_x, centroid_y, Cov, UIBK_orange, ax) ax.set_title("Moving frame") ax.text(0.01, 1.0, text_template_angle % (current_angle, slip_angle), size=12, color=UIBK_orange) ax.text(0.01, 2.0, text_template_shift % (slipvector[0], slipvector[1]), size=12, color=UIBK_orange) plt.draw()
r_skew_x = [] r_skew_y = [] r_compactness1 = [] r_compactness2 = [] r_eccentricity1 = [] r_eccentricity2 = [] for frameID in xrange(startID, stopID): # Get current frame frame1 = loadFrame(frameManager, frameID, matrixID) active_cells1 = frameManager.get_num_active_cells_matrix(frameID, matrixID) # Compute slip vector if (active_cells0 > thresh_active_cells_translation and active_cells1 > thresh_active_cells_translation): slipvector = NCC.normalized_cross_correlation(frame0, frame1) r_slipvector.append(slipvector) frame0 = frame1 active_cells0 = active_cells1 else: r_slipvector.append(np.zeros(2)) # Compute shape features and orientation if active_cells1 > thresh_active_cells_translation: (centroid_x, centroid_y, angle, Cov, lambda1, lambda2, std_dev_x, std_dev_y, skew_x, skew_y, compactness1, compactness2, eccentricity1, eccentricity2) = IM.compute_orientation_and_shape_features(frame1) r_centroid_x.append(centroid_x) r_centroid_y.append(centroid_y) r_angle.append(angle)
r_std_dev_y = [] r_skew_x = [] r_skew_y = [] r_compactness1 = [] r_compactness2 = [] r_eccentricity1 = [] r_eccentricity2 = [] for frameID in xrange(startID, stopID): # Get current frame frame1 = loadFrame(frameManager, frameID, matrixID) active_cells1 = frameManager.get_num_active_cells_matrix(frameID, matrixID) # Compute slip vector if active_cells0 > thresh_active_cells_translation and active_cells1 > thresh_active_cells_translation: slipvector = NCC.normalized_cross_correlation(frame0, frame1) r_slipvector.append(slipvector) frame0 = frame1 active_cells0 = active_cells1 else: r_slipvector.append(np.zeros(2)) # Compute shape features and orientation if active_cells1 > thresh_active_cells_translation: ( centroid_x, centroid_y, angle, Cov, lambda1, lambda2,
def update_frame(val): global n global reference_angle global previous_angle reference_frameID = int(np.around(slider_reference_frame.val)) current_frameID = int(np.around(slider_current_frame.val)) frame0 = loadFrame(frameManager, reference_frameID, matrixID) frame1 = loadFrame(frameManager, current_frameID, matrixID) # Compute translation between reference frames slipvector = NCC.normalized_cross_correlation(frame0, frame1) # Compute orientation of reference frame (centroid_x0, centroid_y0, angle0, Cov0, lambda10, lambda20, std_dev_x0, std_dev_y0, skew_x0, skew_y0, compactness10, compactness20, eccentricity10, eccentricity20) = IM.compute_orientation_and_shape_features(frame0) # Compute orientation of current frame features1 = IM.compute_orientation_and_shape_features(frame1) (centroid_x1, centroid_y1, angle1, Cov1, lambda11, lambda21, std_dev_x1, std_dev_y1, skew_x1, skew_y1, compactness11, compactness21, eccentricity11, eccentricity21) = features1 IM.report_shape_features("Frame %d" % current_frameID, features1) # Reset tracking if reference angle changed if abs(reference_angle - angle0) > 0.001: reference_angle = angle0 # [0, 180) previous_angle = angle0 # [0, 360) slip_angle = 0 # (-∞, ∞) n = 0 # rotation carry # Track rotation current_angle, slip_angle, slip_angle_reference, n = IM.track_angle( reference_angle, previous_angle, angle1, n) previous_angle = current_angle ########### # Plotting ########### # Reference frame plot_frame(axes[1], frame0, centroid_x0, centroid_y0, Cov0) # Current frame plot_frame(axes[2], frame1, centroid_x1, centroid_y1, Cov1) # Textbox bbox_props = dict(boxstyle="round", fc="w", ec="0.5", alpha=1.0) ax = axes[0] ax.cla() ax.axis('off') ax.text(0.5, 0.5, text_template % (current_angle, slip_angle, slipvector[0], slipvector[1]), transform=ax.transAxes, ha="center", va="center", size=14, bbox=bbox_props) plt.draw()