Short distance intra coding scheme for HEVC

Cao, Xiaoran; Lai, Changcai; Wang, Yunfei; He, Yun

doi:10.1109/pcs.2012.6213264

Cited by 6 publications

(1 citation statement)

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“…Intra coding of HEVC achieves considerable coding gain while some efforts were made to put it forward. In [3], short distance intra prediction was proposed which split a coding unit into non-square units to shorten the distances between the predicted and the reference samples. Authors in [4] proposed a structured set prediction model that was based on a max-margin Markov network to regulate and optimize multiple block predictions.…”

Section: Introductionmentioning

confidence: 99%

An Improved Diagonal Up-left Prediction Method for HEVC Intra Coding

2016

Proceedings of 2016 the 6th International Workshop on Computer Science and Engineering

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Intra prediction of HEVC supports up to 33 directional modes compared to 8 such modes in H.264/AVC. Employing many more prediction orientations, HEVC can reflect the directional properties of a coding picture more accurately. Although these directional modes are well designed and show good coding performance, the directional prediction strategy can still be improved. In this paper, an alternative diagonal up-left prediction mode is introduced. Two diagonal left reference samples are utilized to predict the mode with appropriate prediction weights. With negligible computing cost, the proposed prediction mode achieves better coding performance than the same directional mode of HEVC.

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Section: Introductionmentioning

confidence: 99%