Precise Extraction of Moving Objects in Video Stream

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概要

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• We propose an automatic and precise moving-object extraction method for use in video streams that can also be used for 3-D system applications. The method generates a statistical model for each pixel using several frames, and then uses it to generate trimap images. After manually initializing a frame, unknown regions are automatically determined either background or foreground for the rest of frames. The key technology proposed is an adaptive training scheme, which estimates detection thresholds locally through the algorithm, followed by matting approaches using an iterative process and weighted statistical distance minimization. Experiments demonstrate outperformance of our method for both indoor and outdoor video streams, and also for 3-D modeling and representation.

• Information and Media Technologies 編集運営会議の論文

著者

• Tehrani Mehrdad

  Ultra Realistic Communications Laboratory Kddi R&d Laboratories Inc.

• Ishikawa Akio

  Ultra Realistic Communications Laboratory Kddi R&d Laboratories Inc.

• Naito Sei

  Ultra Realistic Communications Laboratory Kddi R&d Laboratories Inc.

• Koike Atsushi

  Ultra Realistic Communications Laboratory Kddi R&d Laboratories Inc.

• Sakazawa Shigeyuki

  Ultra Realistic Communications Laboratory Kddi R&d Laboratories Inc.

• Sakazawa Shigeyuki

  Ultra Realistic Communications Laboratory, KDDI R&D Laboratories Inc.

関連論文

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• I-077 Color Correction of Multiview Camera System Using Matched Feature Points
• Precise Extraction of Moving Objects in Video Stream

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