APPARATUS AND METHOD OF EXTRACTING KEYPOINT AND IMAGE MATCHING SYSTEM FOR ANALYZING DISTRIBUTION STATE OF CONTENTS USING THE SAME

A device and method of extracting a keypoint, and an image matching system for analyzing an online distribution situation of contents using the same are provided. The device for extracting a keypoint which is robust to image change, includes: a keypoint extraction unit configured to extract a corner...

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Hauptverfasser: BAE Ki Hyeok, CHO In Je
Format: Patent
Sprache:eng
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Zusammenfassung:A device and method of extracting a keypoint, and an image matching system for analyzing an online distribution situation of contents using the same are provided. The device for extracting a keypoint which is robust to image change, includes: a keypoint extraction unit configured to extract a corner region in an image as a keypoint candidate region, and extract the keypoint from the keypoint candidate region; and a keypoint postprocessing unit configured to generate a keypoint descriptor with respect to the extracted keypoint.