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HOG detectmultiscale weight scale explanation

Hello all,

I'm currently working with the HOG detector in OpenCV and it returns fairly good results. I only have one question, the detectmultiscale function sets the weights for each detection ROI. But what is actually the scale of good to bad? Maybe this is a really dumb question but I can't find it. I thought close to 1.0 is good but I'm getting weights of 2.0. So what is the actual scale because I thought it is from 0.0 to 1.0