Mosaicing MPEG video sequences

P. V. S. S. Prakash; Raghunath R. Sharma; G. V. Prabhakara Rao

doi:10.1117/12.558894

2 November 2004 Mosaicing MPEG video sequences

P. V. S. S. Prakash, Raghunath R. Sharma, G. V. Prabhakara Rao

Proceedings Volume 5558, Applications of Digital Image Processing XXVII; (2004) https://doi.org/10.1117/12.558894
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Video Mosaicing is the process of obtaining single unified picture from multiple frames of a video sequence. It involves finding the geometric transformation parameters between frames and aligning them to form a single image representing content of full video. The proposed mosaicing method takes advantage of the information encoded by MPEG in the form of motion vectors, DCT blocks and the error information for generating the mosaics. Only the motion vectors corresponding to blocks of high activity region are considered for finding affine parameters. The feasibility of the method has been tested on panorama views from various MPEG sequences. The performance of proposed method was evaluated against the existing uncompressed domain methods.

Citation Download Citation

P. V. S. S. Prakash, Raghunath R. Sharma, and G. V. Prabhakara Rao "Mosaicing MPEG video sequences", Proc. SPIE 5558, Applications of Digital Image Processing XXVII, (2 November 2004); https://doi.org/10.1117/12.558894

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