Dual Radon Transform
Load Sinogram
Brightness:
Contrast:
Normal grayscale
Red = negative
Threshold map (0→−1, 0.5→0, 1→1)
Rotate Input 90°
Rotate Output 90°
RGB mode (process channels separately)
Compute Dual Radon
Input Sinogram
Polar Visualization
Reconstructed Image (Dual Radon)