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could caffe add ROI settings for convolution? #5695

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anguoyang opened this issue Jun 15, 2017 · 1 comment
Open

could caffe add ROI settings for convolution? #5695

anguoyang opened this issue Jun 15, 2017 · 1 comment

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@anguoyang
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sometimes, we only need to detect objects inside 1-2 ROIs in the whole image, but we have to do the conv/pool etc on the whole image, for example, if we use vgg on a HD image, the performance is really bad. my question is, do you have plan to add ROI settings for Conv settings(list of rectangles)?

@Noiredd
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Noiredd commented Mar 2, 2018

You might be interested in something like Faster-RCNN. We have a PR pending review with some features that would allow something this: #4163.

However, if all that you want to do is to cut a RoI at a specific location in your image, you can do it already using the Crop layer. See this SO answer for more information. The drawback is that you specify the crop offset once, but this is done statically and you cannot change it later when your network runs.

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