Document ultra light face detector without postproc variant #14
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dmorin1
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Nov 21, 2025
tensors/ultra-lightweight-face-detection-rfb-320-v1-variant-1-out-boxes-without-postproc.md
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| bounding-box-center-x = top-left-x * CENTER_VARIANCE * anchor-width + anchor-center-x | ||
| bounding-box-center-y = top-left-y * CENTER_VARIANCE * anchor-height + anchor-center-y |
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I don't really understand this formula but maybe once you clarify anchor-center-x and anchor-center-y. It will be more clear.
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The formula is taken from the tensor decoder... It moves the anchor box by a certain value I think
| ``` | ||
| bounding-box-center-x = top-left-x * CENTER_VARIANCE * anchor-width + anchor-center-x | ||
| bounding-box-center-y = top-left-y * CENTER_VARIANCE * anchor-height + anchor-center-y | ||
| bounding-box-width = expf (width * SIZE_VARIANCE) * anchor-width |
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it's expf(x) is the C function that does e^(x) .. would that be clearer ?
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something like:
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| bounding-box-width = expf (width * SIZE_VARIANCE) * anchor-width | |
| bounding-box-width = e^(width * SIZE_VARIANCE) * anchor-width |
tensors/ultra-lightweight-face-detection-rfb-320-v1-variant-1-out-boxes-without-postproc.md
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