how to compute threshold value for region growing

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jenifer 2013-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/69949-how-to-compute-threshold-value-for-region-growing

hi.. i want to segment the image using region growing.. for the region growi9ng process i simply give one value for threshold... I dont know how to compute the threshold value for region growing.... Please anyone help me...

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Image Analyst 2013-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/69949-how-to-compute-threshold-value-for-region-growing#answer_81082

It depends on how generous you want the final region to be. A smaller threshold will give a smaller region and a larger one will encompass more stuff.