文件名称:D
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- 上传时间：2013-06-20
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灰度图像的量化和直方图均衡化直接调用函数。量化是指将像素灰度转换成离散的整数值的过程。量化等级越多，所得图像层次越丰富，灰度分辨率高，图像质量好，但数据量大。-Write MATLAB functions to quantize grayscale image with given quantization step Q.
Process the given test images “Lena” with quantization steps Q=2, 4, 8 16, 32, 64, 128.
Calculate the MSE for the original and quantized images using MATLAB methods written for
the Task 1. Plot the MSE for the test image as a function of quantization step Q.
Show quantized images and the corresponding histograms for each quantization step Q. Show
the test image and its histogram.
Process the given test images “Lena” with quantization steps Q=2, 4, 8 16, 32, 64, 128.
Calculate the MSE for the original and quantized images using MATLAB methods written for
the Task 1. Plot the MSE for the test image as a function of quantization step Q.
Show quantized images and the corresponding histograms for each quantization step Q. Show
the test image and its histogram.
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