Temporal down-sampling algorithm of high frame-rate video for reducing inter-frame prediction error

Authors:
Yukihiro Bandoh;Seishi Takamura;Kazuto Kamikura;Yoshiyuki Yashima
Affiliations:
NTT Cyber Space Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan;NTT Cyber Space Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan;NTT Cyber Space Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan;NTT Cyber Space Laboratories, NTT Corporation, Yokosuka, Kanagawa, Japan
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

Citing 2
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Abstract

Over the past decade, video acquisition rates, which had been 24 Hz (cinema), 30-60 Hz (webcam) or 50-60 Hz (SD/HDcam), has broken through to reach 1000 Hz. In order to display these high frame-rate video signals on current display devices, they must be down-sampled first. This study proposes a down-sampling method suitable for high frame-rate video signals. It is designed with the goal of reducing the inter-frame prediction error and suppressing jerkiness between sub-sampled frames. Our method can improve the PSNR of prediction signal by 0.10 [dB] to 0.14 [dB] compared to simple sub-sampling with constant interval.