Introduction to Algorithms
Single-pass distortion-smoothing encoding for low bit-rate video streaming applications
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 1
Two-pass MPEG-2 variable-bit-rate encoding
IBM Journal of Research and Development
Single-pass constant- and variable-bit-rate MPEG-2 video compression
IBM Journal of Research and Development
Optimal trellis-based buffered compression and fast approximations
IEEE Transactions on Image Processing
Bit allocation for dependent quantization with applications to multiresolution and MPEG video coders
IEEE Transactions on Image Processing
Rate control of MPEG video coding and recording by rate-quantization modeling
IEEE Transactions on Circuits and Systems for Video Technology
A new rate control scheme using quadratic rate distortion model
IEEE Transactions on Circuits and Systems for Video Technology
Source model for transform video coder and its application. I. Fundamental theory
IEEE Transactions on Circuits and Systems for Video Technology
Bit-rate control using piecewise approximated rate-distortion characteristics
IEEE Transactions on Circuits and Systems for Video Technology
H.263+: video coding at low bit rates
IEEE Transactions on Circuits and Systems for Video Technology
Rate control in DCT video coding for low-delay communications
IEEE Transactions on Circuits and Systems for Video Technology
Rate control and bit allocation for MPEG-4
IEEE Transactions on Circuits and Systems for Video Technology
Buffer analysis and control in CBR video transcoding
IEEE Transactions on Circuits and Systems for Video Technology
Optimum bit allocation and accurate rate control for video coding via ρ-domain source modeling
IEEE Transactions on Circuits and Systems for Video Technology
A linear source model and a unified rate control algorithm for DCT video coding
IEEE Transactions on Circuits and Systems for Video Technology
Model-based transrating of H.264 coded video
IEEE Transactions on Circuits and Systems for Video Technology
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Quality fluctuation has a major negative effect on subjective video quality. A desirable single-pass frame-level constant-distortion bit allocation scheme is proposed in the paper for smooth video quality throughout the video sequence. The average distortion of all previous coded frames is taken as the target distortion for the current frame. According to the linear rate control algorithm [Z. He, S.K. Mitra, A linear source model and a unified rate control algorithm for DCT video coding, IEEE Trans. Circuits Syst. Video Technol. 12 (2002) 970-982; Z. He, S.K. Mitra, Optimum bit allocation and accurate rate control for video coding via @r domain source modeling, IEEE Trans. Circuits Syst. Video Technol. 12 (2002) 840-849], the distortion and rate are exponential and linear functions of the number of zero coefficients, respectively. Based on the distribution of the absolute DCT coefficients, an operational distortion-quantization stepsize (D-Q) relationship curve can be established quickly. With the target distortion and operational D-Q curve, we then derive the close-form formulas for estimating the number of zero coefficients and the slope @q in the linear rate model, as well as the bit budget for the current frame. Experimental results show that the proposed constant-distortion (but variable rate) bit allocation scheme provides much smoother video quality on all test video sequences than the constant bit allocation scheme that has been used in many standard video coding reference software.