matlab自动编程求取图像的峰值信噪比和方差-matlab automatically programmed to strike the image peak signal-to-noise ratio and variance

In Medical digital images, produced by various imaging devices like x-ray, CT, magnetic resonance imaging (MRI), ultrasound, etc., use for diagnosis of diseases. Ultrasonic imaging is a widely used medical imaging procedure because it is econ

Main function Usage : main_dwt INPUT : Raw Lena image OUTPUT : PSNR value of the denoised image Load clean image- Main function Usage : main_dwt INPUT : Raw Lena image OUTPUT : PS

Edge detection is widely used in image processing, image recognition and computer vision. Tradition edge detection methods have a lot of disadvantages. This paper presents a new edge detection algorithm base on Matching Pursuit (MP). Our method h