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Rate control plays an important role in regulating the bit rate to meet the bandwidth and storage requirement. Most existing video encoders regulate the bit rate by adjusting the quantization step size. We propose to incorporate a new dimension: the quantization rounding offset into rate control. In this paper, we present a rate control algorithm with adaptive rounding offsets (ARO) that jointly adjusts...
Rate control plays an important role in regulating the encoding bit rate to meet the bandwidth and storage requirement. Most existing works regulate the bit rate by adjusting the quantization step size. We propose to incorporate a new dimension: the quantization rounding offset into a rate control algorithm. Based on our previous work of multi-pass fine rate control, in this work, we present a unified...
The rate control algorithm is of essential importance to a video encoder. It enables the encoded bitstream to meet the bandwidth and storage requirement while maintaining good video quality. Most existing works adjust the quantization step size to achieve the required bit rate accuracy. This paper introduces a new dimension: the quantization rounding offset into a frame-level fine rate control algorithm...
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