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The size of the tag is an important parameter. But it is a secondary parameter. The key parameter that we are looking at here (and one that is not easy to estimate) is Signal to Noise Ratio (SNR). So, very very briefly: The bigger the tag, the more data we obtain from the tag, the better the position of the estimate will be. But, the "size of the tag&...


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For class matching, Hietanen in [29] compares several binary descriptors and SIFT with different detectors, including a dense grid. SIFT preformed better than other descriptors and dense grid responds very well. This result leads us to test dense detector for different descriptors… It seems that a dense detector is one that uses a dense grid on which to ...


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Notation Lets say you have an input image I with size WxHx3 ROI proposal x0,y0,w0,h0. When you forward the image through the feature extractor you get a feature map F with size WfxHfXC size. The relation is a spatial relation The ROI doesn't affect the number of output channels from the feature map. The relation is a spatial relation which maps an input ...


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