A METHOD AND AN APPARATUS FOR CONTROLLING THE RATE OF A VIDEO SEQUENCE; A VIDEO ENCODING DEVICE
摘要
<p>A method for rate control for encoding video sequence, wherein the video sequence comprises a plurality of Group Of Pictures, wherein each Group of Picture comprises at least and I-frame and an Inter-frame, the rate control method comprising the following steps for the encoding of the. Inter-frame in the Group of Picture: determining a desired frame rate based on an available bandwidth of a channel for transmitting the video sequence and an available computational resources for the encoding process; determining a target buffer level based on the desired frame rate and the position of the Inter-frame with respect to the I-frame; and determining a target bit rate based on the target buffer level and the available channel bandwidth, wherein the target bit rate is used for controlling the rate of encoding the video sequence.</p>
申请公布号
WO2004023821(A1)
申请公布日期
2004.03.18
申请号
WO2002SG00206
申请日期
2002.09.05
申请人
LABORATORIES FOR INFORMATION TECHNOLOGY;LI, ZHENGGUO;PAN, FENG;LIM, KENG, PANG;WU, DAJUN;YU, RONGSHAN;FENG, GENAN;WANG, DUSHENG