Sliding Window and Histogram
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Please help me on how to Compute Height of the each Gradient text block.. Consider width,W to be the same as the height,H. With these H and W, how to get one square block? and how to Move this square as a sliding window? after this for each sliding window, how to plot a histogram to choose highest peak. lastly Display all pixel in the highest peak as white pixels in the separate image. I need to implement it using MATLAB. Any help is greatly appreciated! Thamk you!
Image Analyst 2012 年 9 月 27 日
You could use blockproc() if you want it to move along in "jumps" (non-overlapping blocks), or you could use nlfilter(). But if your image is, say, a million pixels, do you really want to compute and display a million histograms?