Hog descriptor - PowerPoint PPT Presentation

Object Recognition II

Object Recognition II. Linda Shapiro EE/CSE 576 with CNN slides from Ross Girshick. Outline. Object detection the task, evaluation, datasets Convolutional Neural Networks (CNNs) overview and history Region-based Convolutional Networks (R-CNNs). Image classification. classes

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943 views • 91 slides

The SIFT (Scale Invariant Feature Transform) Detector and Descriptor

The SIFT (Scale Invariant Feature Transform) Detector and Descriptor. developed by David Lowe University of British Columbia Initial paper ICCV 1999 Newer journal paper IJCV 2004. SIFT: Motivation.

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618 views • 39 slides

Histograms of Oriented Gradients for Human Detection

Another Descriptor. Histograms of Oriented Gradients for Human Detection. Navneet Dalal and Bill Triggs CVPR 2005. Overview. 1. Compute gradients in the region to be described 2. Put them in bins according to orientation 3. Group the cells into large blocks 4. Normalize each block

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425 views • 6 slides

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