Search - code luminance matlab

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[Special Effects] Rgb2luv DL : 0: 色彩空间转换的matlab代码，实现从RGB空间到LUV的转换-color space conversion Matlab code, from the realization of the luminance RGB space conversion
Update : 2008-10-13 Size : 1.09kb Publisher : 吴军
[Special Effects] Rgb2luv DL : 0: 色彩空间转换的matlab代码，实现从RGB空间到LUV的转换-color space conversion Matlab code, from the realization of the luminance RGB space conversion
Update : 2025-02-19 Size : 1kb Publisher : 吴军
[matlab] regtohsv DL : 0: reg 转换为 hsv 的matlab源代码 subplot(221) subimage(ph) colorbar xlabel( (a)色调分量图像 ) subplot(222) subimage(ps) colorbar xlabel( (b)饱和度分量图像 ) subplot(223) subimage(pv) colorbar xlabel( (c)亮度分量图像 ) subplot(224) subimage(phsv) colorbar xlabel( (d)调整后的图像 ) -reg into the matlab source code hsv subplot (221) subimage (ph) colorbar xlabel (' (a) color component image' ) subplot (222) subimage (ps) colorbar xlabel (' (b) saturation component image ' ) subplot (223) subimage (pv) colorbar xlabel (' (c) luminance component image ' ) subplot (224) subimage (phsv) colorbar xlabel (' (d) Adjustment After the image ' )
Update : 2025-02-19 Size : 74kb Publisher : ychy
[Special Effects] DCT_JPEG DL : 0: 给予matlab的JPEG压缩程序，包含原始压缩图片，程序对灰度bmp图片进行JEPG编码，压缩成以0101形式的编码。JPEG编码先把图象色彩RBG变成亮度Y和色度Cr、Cb，它利用人的视觉对色度不敏感的特点，减少一部分色度数据，以达到压缩。 JPEG采取多种编码方式，包含有行程编码(Run Length Coding)和哈夫曼(Huffman)编码，有很高的压缩比。在编码前，先对数据进行分块，离散余弦变换（DCT）及量化，保留能量大的低频信号，丢弃高频信号以达到压缩。-Given to the JPEG compression matlab program, contains the original compressed image, the program of the grayscale bmp picture JEPG encoded, compressed into a 0101 form of encoding. RBG color coded JPEG image into a first luminance Y and chrominance Cr, Cb, which uses the human visual characteristics is not sensitive to the color, reduce the number of color data to achieve compression. Take a variety of JPEG encoding, includes length coding (Run Length Coding) and Huffman (Huffman) coding, a high compression ratio. In the code before the data block, discrete cosine transform (DCT) and quantization, to retain a large low-frequency signal energy, discarding high-frequency signals in order to achieve compression.
Update : 2025-02-19 Size : 171kb Publisher :
[Special Effects] car DL : 0: 汽车牌照定位MATLAB代码,基本思想：使用pixval函数来获得牌照的背景色的红、绿、蓝、分量亮度值和坐标；通过统计算法找出车牌的范围；然后通过修剪得到最终图像。-Auto License Plate MATLAB code, the basic idea: to obtain a license to use pixval function of the background color of red, green, blue, luminance values and coordinates component through statistical algorithms to identify the scope of the license plate then trim the final image.
Update : 2025-02-19 Size : 1kb Publisher : shirley
[matlab] COLOR-image-denosing-in-a-luminance-chrominance-s DL : 0: Matlab code for COLOR image denosing in a luminance-chrominance space
Update : 2025-02-19 Size : 92kb Publisher : Saravanan Manavalan