Comments (2)
Hi! I'd like to share my understanding!
average 3 columns (columns 1, 2 and 3)
is to calculate the average distance of one head to three nearest heads of it (this is proposed by MCNN CVPR-2016 to estimate the delta parameter when generating ground truth density maps).
np.partition is used to select the nearest three distances. Since the nearest distance is 0(itself), the column is set to [1:4].
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@rongliangzi Thank you for your comment. It was very helpful.
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