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P1150627001
- This paper presents a new coding technique based on contourlet transform and multistage vector quantization. Wavelet based Algorithms for image compression results in high compression ratios compared to other compression techniques. Wavelets
contourlet
- Contourlet变换是一种新的图像二维表示方法，具有多分辨率、局部定位、多方向性、近邻界采样和各向异性等性质，其基函数分布于多尺度、多方向上，少量系数即可有效地捕捉图像中的边缘轮廓，而边缘轮廓正是自然图像中的主要特征。-Contourlet image transformation is a new two-dimensional representation, with multi-resolution, local orientation, multi-directional, neig
art
- On the applications of edges detection using wavelets to watermark images_definition of the algorithms
ArtAMAM
- A New Wavelet Watermarking Algorithm for Images using Edges Detection
High-frequency-emphasis-on-filtering
- 一种将高频强调滤波同直方图均值化结合的图像增强方法，是图像边缘更加清晰。-A high frequency emphasis the filtering mean histogram of the combination of image enhancement methods, the edges of the image is more clear.
pxc3883820
- Brain tumors are created by abnormal and uncontrolled cell division in brain itself. If the growth becomes more than 50 , then the patient is not able to recover. So the detection of brain tumor needs to be fast and accurate. The objective of this pa