Ultrasound Speckle Reduction Using Coded Excitation and Pulse Compression Ultrasound images are riddled with system dependent imperfections called speckle (multiplicative noise). In ultrasonic imaging, detection of small lesions could be difficu

LMS算法多麦克风语音降噪，语音降噪处理，基于matlab-LMS algorithm for multi-microphone speech noise reduction, voice, noise reduction, based on matlab

matlab for noise reduction for digital image prossesing 3

matlab code for decision based median filter.it can be used for salt and pepper noise reduction . in this the pixel values are processed based on a decision mechanism

主要讨论获得图片后如何提取其边界信息,首先利用图像灰度均匀化解决了对比度不清晰的问题,然后利用高斯滤波法对图片进行滤波去噪,进而利用Canny算法实现边缘检测提取边界,该方法与Matlab自带的求边界方法有明显的提高,为利用Matlab程序求图像分形维数提供了更精确的前提. 更多还原 -Mainly discuss how to get the picture after extracting its boundary information, the first use of the im