An efficient QS selection scheme for I-frame is presented which is based on a balanced bits allocation scheme between I and P frames and a new experimental rate ...

The analysis and final simulation results show that compared to the existing methods, the proposed algorithm improves PSNR performance significantly (up to ...

Quantization step (QS) selection for I-frame has an obvious impact on rate-distortion performance in rate- constrained video coding. An efficient QS ...

tortion optimization methods in all encoders allows a useful comparison between the encoders in terms of coding efficiency. This paper is organized as follows.

263-based DCT coding [57, 581. Choosing h and the Quantization Step Size Q. The algorithm for the rate-constrained mode decision can be modified in order to ...

Apr 20, 2021 · This paper introduces a practical learned video codec. Conditional coding and quantization gain vectors are used.

A joint coding-mode and quantization-step ... Step 2: Frame rate modification via buffer validity check ... (1) the selection of the quantization parameter and (2) ...

Abstract—This paper investigates linearly combined mo- tion-compensated signals for video compression. In particular, we discuss multiple motion-compensated ...

ABSTRACT. A method for efficiently selecting the operating modes within a block-based multi-mode video compression system is described.

ABSTRACT. Block-based video coders rely on motion compensated block prediction for more data compression. With the in- troduction of video coding over ...