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COLOR-IMAGE-COMPRESSION
- The efficiency of perceptual coding in compressing color images relies on the estimation of perceptual redundancy. In this paper, a color image coder is proposed for perceptually lossless image compression which shapes the coding error as a p
3D-Alpha-Shapes
- alpha shapes算法用于三维大量数据的边缘检测,适合于三维激光扫描数据以及机载雷达数据,可以用于建筑物及其他地物的边缘检测。-alpha shapes algorithm for three-dimensional edge detection of large amounts of data, suitable for three-dimensional laser scan data, and airborne radar data, can be used for building
Edge-Detection-Algorithm
- 基于数学形态学的边缘检测过程中,不同形状、不同尺度的结构元素在滤除噪声和保持边缘细节方面的作用是不同的。本文提出了一种基于多形状多尺度结构元素的自适应边缘检测算法,分别使用不同方向和大小的结构元素提取图像边缘,通过计算信息熵自适应确定权重系数,对多形状结构元素和多尺度结构元素检测的边缘做融合处理。实验结果表明,本文提出的算法与几种经典边缘检测算子相比,有效抑制了噪声的影响,提高了检测的精度,对各种不同图像具有很好的鲁棒性。-In the process of edge detection bas
hough-ellipse
- hough变换检测椭圆的MATLAB程序-hough detection codes to detect shapes in images