Significant steps for pre-processing

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missC 2014-7-17

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https://ww2.mathworks.cn/matlabcentral/answers/142166-significant-steps-for-pre-processing

关闭： MATLAB Answer Bot 2021-8-20

Hi everyone,is there any way to determine which step important to be considered in order to perform image pre-processing regardless an iterative experiment.

For example, I have this input data, and need to tidy up the imperfection of the drawing. I know that morphological operations is a must (dilation) as I need to get the skeleton of the image. Perhaps, I missed some step in here because somehow the thinned image is not satisfied the next phase requirement (Corner detection).

Thanks

Input Image