Count the number of white papers in image

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5mid 2017-11-15

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https://ww2.mathworks.cn/matlabcentral/answers/367260-count-the-number-of-white-papers-in-image

编辑： 5mid 2017-11-15

understand_hough_3.PNG

Hi, What should be the best way to obtain to obtain the number of white papers in a classroom? I've been trying simple methods like binarize, opening, remove small objects and circularities (in some cases it helps). I tried to use hough method but couldn´t figure it out. I though to use superpixel at a starting point. What do you think?

I´m using Matlab 2016b

Thanks