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Title: Fast Image Interpolation for Motion Estimation using Graphics Hardware,
Sponsor: Enterprise Ireland
Trinity Foundation
Author's Homepage:
Keywords: Programmable Graphics Hardware
Image Interpolation
Motion Estimation
Block Matching
Issue Date: 2004
Publisher: SPIE
Citation: F. Kelly and A. Kokaram ‘Fast Image Interpolation for Motion Estimation using Graphics Hardware’ in proceedings of IS&T/SPIE Electronic Imaging - Real-Time Imaging VIII, San Jose, California USA, 5297, 2004, pp 184 - 194
Series/Report no.: 5297
Abstract: Motion estimation and compensation is the key to high quality video coding. Block matching motion estimation is used in most video codecs, including MPEG-2, MPEG-4, H.263 and H.26L. Motion estimation is also a key component in the digital restoration of archived video and for post-production and special effects in the movie industry. Sub-pixel accurate motion vectors can improve the quality of the vector field and lead to more efficient video coding. However sub-pixel accuracy requires interpolation of the image data. Image interpolation is a key requirement of many image processing algorithms. Often interpolation can be a bottleneck in these applications, especially in motion estimation due to the large number pixels involved. In this paper we propose using commodity computer graphics hardware for fast image interpolation. We use the full search block matching algorithm to illustrate the problems and limitations of using graphics hardware in this way.
Description: PUBLISHED
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Appears in Collections:Electronic & Electrical Eng (Scholarly Publications)

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