RATE CONTROL FOR LOW-BIT-RATE VIDEO VIA VARIABLE-ENCODING FRAME RATES
SCIE
SCOPUS
- Title
- RATE CONTROL FOR LOW-BIT-RATE VIDEO VIA VARIABLE-ENCODING FRAME RATES
- Authors
- Song, HJ; Kuo, CCJ
- Date Issued
- 2001-04
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGI
- Abstract
- A novel rate-control algorithm with a variable-encoding frame-rate method is proposed in this work for low-bit-rate video coding. Most existing rate-control algorithms for low-bit-rate video focus on bit allocation at the macroblock level under a constant frame-rate assumption. The proposed rate-control algorithm is able to adjust the encoding frame rate at the expense of tolerable time-delay, The new rate-control algorithm attempts to achieve a good balance between spatial quality and temporal quality to enhance the overall human perceptual quality at low bit rates. It is demonstrated that the rate-control algorithm achieves higher coding efficiency at low bit rates, with a low additional computational cost. The proposed variable-encoding frame-rate method is compatible with the bit-stream structure of H.263(+).
- Keywords
- ATM NETWORKS; ALLOCATION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/28658
- ISSN
- 1051-8215
- Article Type
- Article
- Citation
- IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, vol. 11, no. 4, page. 512 - 521, 2001-04
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