Hazel/secure_pixelation
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Hazel Noack 2025-05-07 15:31:58 +02:00
parent d576f9979c
commit edd8096030
1 changed files with 38 additions and 11 deletions
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49
deblur/symetric_kernel.py
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@ -8,6 +8,7 @@ from PyQt5.QtWidgets import (
from PyQt5.QtCore import Qt from PyQt5.QtCore import Qt
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure from matplotlib.figure import Figure
import scipy.signal
import os import os
os.environ.pop("QT_QPA_PLATFORM_PLUGIN_PATH", None) os.environ.pop("QT_QPA_PLATFORM_PLUGIN_PATH", None)
@ -43,7 +44,7 @@ def generate_kernel(radius, sigma=None):
class KernelVisualizer(QWidget): class KernelVisualizer(QWidget):
def __init__(self): def __init__(self, image_path=None):
super().__init__() super().__init__()
self.setWindowTitle("Gaussian Kernel Visualizer") self.setWindowTitle("Gaussian Kernel Visualizer")
self.image = None self.image = None
@ -80,16 +81,23 @@ class KernelVisualizer(QWidget):
layout.addLayout(sliders_layout) layout.addLayout(sliders_layout)
layout.addWidget(QLabel("Kernel Visualization:")) layout.addWidget(QLabel("Kernel Visualization:"))
layout.addWidget(self.kernel_canvas) layout.addWidget(self.kernel_canvas)
layout.addWidget(QLabel("Original and Blurred Image:")) layout.addWidget(QLabel("Original and Deconvolved Image:"))
layout.addWidget(self.image_canvas) layout.addWidget(self.image_canvas)
self.setLayout(layout) self.setLayout(layout)
self.update_visualization()
def load_image(self): if image_path:
fname, _ = QFileDialog.getOpenFileName(self, "Open Image", "", "Images (*.png *.jpg *.bmp *.jpeg)") self.load_image(image_path)
if fname: else:
img = cv2.imread(fname) self.update_visualization()
def load_image(self, image_path=None):
if not image_path:
fname, _ = QFileDialog.getOpenFileName(self, "Open Image", "", "Images (*.png *.jpg *.bmp *.jpeg)")
image_path = fname
if image_path:
img = cv2.imread(image_path)
if img is not None: if img is not None:
self.image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) self.image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
self.update_visualization() self.update_visualization()
@ -109,7 +117,21 @@ class KernelVisualizer(QWidget):
if self.image is not None: if self.image is not None:
kernel_size = 2 * radius + 1 kernel_size = 2 * radius + 1
blurred = cv2.GaussianBlur(self.image, (kernel_size, kernel_size), sigma)
# Apply row-by-row deconvolution
deconvolved_image = np.zeros_like(self.image)
# Perform row-wise deconvolution with padded kernel
for i in range(self.image.shape[0]):
padded_kernel = np.pad(kernel, ((0, self.image.shape[1] - kernel_size), (0, 0)), mode='constant')
deconvolved_image[i, :], _ = scipy.signal.deconvolve(self.image[i, :], padded_kernel[i, :])
# Perform column-wise deconvolution with padded kernel
for j in range(self.image.shape[1]):
padded_kernel = np.pad(kernel, ((0, self.image.shape[0] - kernel_size), (0, 0)), mode='constant')
deconvolved_image[:, j], _ = scipy.signal.deconvolve(self.image[:, j], padded_kernel[:, j])
deconvolved_image = np.clip(deconvolved_image, 0, 255).astype(np.uint8) # Ensure valid range
self.image_fig.clear() self.image_fig.clear()
ax1 = self.image_fig.add_subplot(121) ax1 = self.image_fig.add_subplot(121)
@ -118,8 +140,8 @@ class KernelVisualizer(QWidget):
ax1.axis('off') ax1.axis('off')
ax2 = self.image_fig.add_subplot(122) ax2 = self.image_fig.add_subplot(122)
ax2.imshow(blurred, cmap='gray') ax2.imshow(deconvolved_image, cmap='gray')
ax2.set_title("Blurred") ax2.set_title("Deconvolved")
ax2.axis('off') ax2.axis('off')
self.image_canvas.draw() self.image_canvas.draw()
@ -132,7 +154,12 @@ class KernelVisualizer(QWidget):
if __name__ == "__main__": if __name__ == "__main__":
image_path = None
if len(sys.argv) > 1:
image_path = sys.argv[1] # Get image path from command-line argument
print(image_path)
app = QApplication(sys.argv) app = QApplication(sys.argv)
viewer = KernelVisualizer() viewer = KernelVisualizer(image_path=image_path)
viewer.show() viewer.show()
sys.exit(app.exec_()) sys.exit(app.exec_())