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orb特征.ppt

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2017-5-29 ORB Features 2017-5-29 Outline ? Steered BRIEF ? Variance and Correlation ? Learning Good Binary features ? Evaluation FAST Detector 2017-5-29 FAST Detector 2017-5-29 FAST detector 2017-5-29 ? Steered BRIEF ? Variance and Correlation ? Learning Good Binary features ? Evaluation FAST Detector 2017-5-29 ? Steered BRIEF ? Variance and Correlation ? Learning Good Binary features ? Evaluation FAST Detector Orientation by Intensity Centroid 2017-5-29 图像的矩特征?定义:?图像的 0阶矩: ?图像的 1阶矩: 2017-5-29 Intensity Centroid ?图像的质心 centroid :?图像块的方向: : a vector from the corner's center,O, to the centriod C. 2017-5-29 Intensity Centroid O OC 2017-5-29 ? Steered BRIEF ? Variance and Correlation ? Learning Good Binary features ? Evaluation FAST Detector Orientation by Intensity Centroid Data transformation

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