From d576f9979c3b7324ee8340267825833b07bda371 Mon Sep 17 00:00:00 2001
From: Hazel Noack <hazel@webcontact.de>
Date: Wed, 7 May 2025 15:20:02 +0200
Subject: [PATCH] feat: ui

---
 deblur/symetric_kernel.py | 107 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 105 insertions(+), 2 deletions(-)

diff --git a/deblur/symetric_kernel.py b/deblur/symetric_kernel.py
index 0b88ce6..052b783 100644
--- a/deblur/symetric_kernel.py
+++ b/deblur/symetric_kernel.py
@@ -1,4 +1,16 @@
+import sys
 import numpy as np
+import cv2
+from PyQt5.QtWidgets import (
+    QApplication, QWidget, QLabel, QSlider, QVBoxLayout,
+    QHBoxLayout, QGridLayout, QPushButton, QFileDialog
+)
+from PyQt5.QtCore import Qt
+from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
+from matplotlib.figure import Figure
+
+import os
+os.environ.pop("QT_QPA_PLATFORM_PLUGIN_PATH", None)
 
 
 def generate_kernel(radius, sigma=None):
@@ -30,6 +42,97 @@ def generate_kernel(radius, sigma=None):
     return kernel
 
 
+class KernelVisualizer(QWidget):
+    def __init__(self):
+        super().__init__()
+        self.setWindowTitle("Gaussian Kernel Visualizer")
+        self.image = None
+
+        self.load_button = QPushButton("Load Image")
+        self.load_button.clicked.connect(self.load_image)
+
+        self.radius_slider = QSlider(Qt.Horizontal)
+        self.radius_slider.setRange(1, 30)
+        self.radius_slider.setValue(5)
+
+        self.sigma_slider = QSlider(Qt.Horizontal)
+        self.sigma_slider.setRange(1, 100)
+        self.sigma_slider.setValue(15)
+
+        self.radius_slider.valueChanged.connect(self.update_visualization)
+        self.sigma_slider.valueChanged.connect(self.update_visualization)
+
+        self.kernel_fig = Figure(figsize=(3, 3))
+        self.kernel_canvas = FigureCanvas(self.kernel_fig)
+
+        self.image_fig = Figure(figsize=(6, 3))
+        self.image_canvas = FigureCanvas(self.image_fig)
+
+        layout = QVBoxLayout()
+        layout.addWidget(self.load_button)
+
+        sliders_layout = QGridLayout()
+        sliders_layout.addWidget(QLabel("Radius:"), 0, 0)
+        sliders_layout.addWidget(self.radius_slider, 0, 1)
+        sliders_layout.addWidget(QLabel("Sigma:"), 1, 0)
+        sliders_layout.addWidget(self.sigma_slider, 1, 1)
+
+        layout.addLayout(sliders_layout)
+        layout.addWidget(QLabel("Kernel Visualization:"))
+        layout.addWidget(self.kernel_canvas)
+        layout.addWidget(QLabel("Original and Blurred Image:"))
+        layout.addWidget(self.image_canvas)
+
+        self.setLayout(layout)
+        self.update_visualization()
+
+    def load_image(self):
+        fname, _ = QFileDialog.getOpenFileName(self, "Open Image", "", "Images (*.png *.jpg *.bmp *.jpeg)")
+        if fname:
+            img = cv2.imread(fname)
+            if img is not None:
+                self.image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+                self.update_visualization()
+
+    def update_visualization(self):
+        radius = self.radius_slider.value()
+        sigma = self.sigma_slider.value() / 10.0
+        kernel = generate_kernel(radius, sigma)
+
+        # Kernel Visualization
+        self.kernel_fig.clear()
+        ax = self.kernel_fig.add_subplot(111)
+        cax = ax.imshow(kernel, cmap='hot')
+        self.kernel_fig.colorbar(cax, ax=ax)
+        ax.set_title(f"Kernel (r={radius}, σ={sigma:.2f})")
+        self.kernel_canvas.draw()
+
+        if self.image is not None:
+            kernel_size = 2 * radius + 1
+            blurred = cv2.GaussianBlur(self.image, (kernel_size, kernel_size), sigma)
+
+            self.image_fig.clear()
+            ax1 = self.image_fig.add_subplot(121)
+            ax1.imshow(self.image, cmap='gray')
+            ax1.set_title("Original")
+            ax1.axis('off')
+
+            ax2 = self.image_fig.add_subplot(122)
+            ax2.imshow(blurred, cmap='gray')
+            ax2.set_title("Blurred")
+            ax2.axis('off')
+
+            self.image_canvas.draw()
+        else:
+            self.image_fig.clear()
+            ax = self.image_fig.add_subplot(111)
+            ax.text(0.5, 0.5, "No image loaded", fontsize=14, ha='center', va='center')
+            ax.axis('off')
+            self.image_canvas.draw()
+
+
 if __name__ == "__main__":
-    kernel = generate_kernel(radius=10, sigma=1)
-    print(kernel)
+    app = QApplication(sys.argv)
+    viewer = KernelVisualizer()
+    viewer.show()
+    sys.exit(app.exec_())