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Using machine learning for fast intra MB coding in H.264

Hari Kalva, Lakis Christodoulou, Chang Wen Chen, Dan Schonfeld, Jiebo Luo
2007 Visual Communications and Image Processing 2007  
This paper presents a machine learning approach to reducing the complexity of Intra encoding in H.264.  ...  Determining the macro block coding mode requires substantial computational resources in H.264 video encoding.  ...  Figure 1 shows the high level process for the proposed fast Intra coding algorithm.  ... 
doi:10.1117/12.706024 dblp:conf/vcip/KalvaC07 fatcat:vvai3nzgjngrpm2yubiujgadpm

A parallel approach for high performance hardware design of intra prediction in H.264/AVC Video Codec

M. Shafique, L. Bauer, J. Henkel
2009 2009 Design, Automation & Test in Europe Conference & Exhibition  
We therefore present a novel hardware for H.264 Intra Prediction that processes all the prediction modes in parallel inside one integrated module (i.e. mode-level parallelism) enabling us to exploit the  ...  Module Approach [13] (each prediction mode is processed with its independent hardware module i.e. a typical ASIC style for Intra Prediction).  ...  [13] shows that H.264 Intra gives 0.1-1.8 dB 3 better PSNR than JPEG2000. The ratio of the decoder complexities for JPEG, JPEG2000, and H.264 Intra Frame Codec is about 1:10:2.  ... 
doi:10.1109/date.2009.5090889 dblp:conf/date/ShafiqueBH09 fatcat:eiwvyo2btbcktb2za4ya27ee7i

Complexity reduced mode selection of H.264/AVC intra coding

Mohammed Golam Sarwer, Lai-Man Po, Jonathan Wu
2008 2008 International Conference on Audio, Language and Image Processing  
To reduce the complexity of mode decision, we propose an efficient and fast 4x4 intra prediction mode selection scheme.  ...  The RDO technique has been employed in H.264/AVC for intra prediction mode selection to achieve better coding efficiency. But the computation complexity of mode decision algorithm is extremely high.  ...  In this paper, we propose a fast mode decision scheme for intra 4x4 prediction in H.264/AVC based on SATD. Natural video sequences are highly spatially correlated.  ... 
doi:10.1109/icalip.2008.4590056 fatcat:6njppocskbcp7nkm4cg37tiqsi

H.264 fast intra mode selection algorithm based on direction difference measure in the pixel domain

Li-Li Wang, Wan-Chi Siu
2009 2009 IEEE International Conference on Acoustics, Speech and Signal Processing  
In this paper, a fast mode decision algorithm for Intra prediction in the H.264/AVC is proposed.  ...  Index Terms -H.264/AVC, intra prediction, fast mode decision, RDO, prediction error.  ...  Acknowledgment This work is supported by the Centre for Multimedia Signal Processing, Hong Kong Polytechnic University and the Research Grant Council of the Hong Kong SAR Government (PolyU 5267/07E).  ... 
doi:10.1109/icassp.2009.4959764 dblp:conf/icassp/WangS09 fatcat:5jk4qxzsy5c55jygi63s3wymue

A Fast Intra Prediction for H.264/AVC Based on SATD and Prediction Direction

Deepa Mathew, M.C. Binish
2016 Procedia Technology - Elsevier  
To improve the coding efficiency of H.264/AVC, the encoder computes Rate Distortion (RD) costs of all possible intra coding modes to decide the optimum mode, this leads to high computational complexity  ...  A fast intra prediction mode decision method to reduce the computational complexity is presented in this paper.  ...  H.264 chroma block support four prediction modes. Prediction Modes for Luma 4x4 and Luma 8x8 H.264 supports nine prediction modes for 4x4 and 8x8 block size.  ... 
doi:10.1016/j.protcy.2016.05.223 fatcat:rbrjuigoyjgezd6j7zqx5gw33i

Fast Intra-Prediction Mode Decision in H.264 Advanced Video Coding

Mehdi Jafari, Shohreh Kasaei
2006 2006 10th IEEE Singapore International Conference on Communication Systems  
H.264/AVC, the latest video coding standard, achieves better video compression rates since it supports new features such as a large number of intra-and inter-prediction candidate modes.  ...  In order to reduce the complexity, we propose an enhanced fast intra-prediction mode selection strategy based on the statistical properties of references pixels and a fast inter-prediction mode decision  ...  For fast intra prediction, since it is a new topic in H.264/AVC coding with respect to other standards such as MPEG-1/2/4 and H.261/H.263 and so far no previous work exists for that.  ... 
doi:10.1109/iccs.2006.301516 fatcat:ucllntgnhveq5pih2p73r5n5pa

Fast implementation of H.264 4x4 intra prediction

Jianjun Li, Esam Abdel-Raheem
2010 IEICE Electronics Express  
This letter proposes a fast parallel architecture and redundancy reduction algorithm for H.264/AVC intra4x4 prediction to speed up intra frame coding.  ...  Compared with the dedicated intra prediction [1], processing speed is enhanced by 79%.  ...  H.264/AVC Intra Prediction In H.264/AVC baseline intra coding, two intra prediction modes for luminance component are supported in each profile [2] .  ... 
doi:10.1587/elex.7.332 fatcat:pky6c4et4rhs5kyeiz6nu2buji

Fast intra mode decision algorithm for H.263 to H.264/AVC transcoding

Xuan Jing, Wan-Chi Siu, Lap-Pui Chau, A.G. Constantinides
2008 2008 International Conference on Neural Networks and Signal Processing  
In this paper, we present a fast mode decision method for H.263 to H.264/AVC intraframe transcoding.  ...  The proposed algorithm is based on the observation that features of DCT coefficients extracted from H.263 coded intraframe strongly relates to the optimal mode in H.264/AVC intra mode decision.  ...  Several fast intra mode decision methods for H.264/AVC have been proposed recently [7] [9] .  ... 
doi:10.1109/icnnsp.2008.4590434 fatcat:epzzs3v4wfga5ldaizwmqootya

Fast Intra Prediction in the Transform Domain

Chanyul Kim, Noel E. O'Connor, Yunje Oh
2009 2009 Data Compression Conference  
Experimental results show that the use of transform coefficients greatly enhances the efficiency of intra prediction whilst keeping complexity low compared to H.264/AVC.  ...  In this paper, we present a fast intra prediction method based on separating the transformed coefficients.  ...  In H.264/AVC intra coding, two intra MB modes for luma are Original 4x4 block O r i g i n a l 1 6 x 1 6 b l o c k 4x4 Prediction Residual 4x4 DCT Quantization CAVLC Dequantizati  ... 
doi:10.1109/dcc.2009.26 dblp:conf/dcc/KimOO09 fatcat:v66tuhlth5dy3mq2npaf6igupy

A Condition-based Intra Prediction Algorithm for H.264/AVC

Jia-wei Chen, Chun-hao Chang, Chien-chang Lin, Yi-huan Yang, Jiun-in Guo, Jinn-shyan Wang
2006 2006 IEEE International Conference on Multimedia and Expo  
This paper proposes a condition-based algorithm for H.264/AVC 4x4 intra prediction.  ...  When compared to the 9 prediction modes in the full search algorithm, the proposed algorithm can complete a 4x4 intra prediction using 4.4 prediction modes operation in average.  ...  CONDITION-BASED INTRA PREDICTION ALGORITHM In this section, we propose a condition-based intra prediction algorithm for H.264/AVC 4x4 intra frame encoding.  ... 
doi:10.1109/icme.2006.262721 dblp:conf/icmcs/ChenCLYGW06 fatcat:obkgocq4mvadpdyy6cfc3p7hbm

Video coding mode decision as a classification problem

Rashad Jillani, Urvang Joshi, Chiranjib Bhattacharya, Hari Kalva, R. K. Ramakrishnan, Amir Said, Onur G. Guleryuz
2010 Visual Information Processing and Communication  
In this paper, we show that it is possible to reduce the complexity of Intra MB coding in H.264/AVC based on a novel chance constrained classifier.  ...  We present an alternate approach to address the classification problem which is equivalent to machine learning.  ...  BACKGROUND While there are several techniques investigated for fast intra mode decision in H.264/AVC encoding 3 , 4 there is no known published results on the use of coding mode classification in video  ... 
doi:10.1117/12.840243 dblp:conf/vipc/JillaniJBKR10 fatcat:qtqwkglhlrftpksqhqlvq7kczi

Fpga Design For H.264/Avc Encoder

A. Ben Atitallah, H. Loukil, N. Masmoudi
2011 Zenodo  
In this paper, we describe an FPGA H.264/AVC encoder architecture performing at real-time.  ...  The throughput of the FPGA architecture reaches a processing rate higher than 177 million of pixels per second at 130 MHz, permitting its use in H.264/AVC standard directed to HDTV.  ...  Figure 21 .Figure 22 . 2122 Hardware cycles for inter mode Hardware cycles for intra 4x4 mode Figure 23 . 23 Hardware cycles for intra 16x16 mode Table 1 . 1 Quantization step sizes in H.264/AVC codec  ... 
doi:10.5281/zenodo.1254922 fatcat:gvu33b6hbng35fkelg7qdi3jgi

P-Frame Transcoding in VC-1 to H.264 Transcoders

Maria Pantoja, Hari Kalva, Jae-Beom Lee
2007 2007 IEEE International Conference on Image Processing  
The need to move data among devices with different capabilities creates a need for transcoding. In this paper we present a P-frame transcoder for VC-1 to H.264 transcoding.  ...  The transcoder exploits the variable size transform used in VC-1 to select the variable block size for motion compensation in H.264.  ...  ): Intra 16x16 Else: Intra 4x4 TABLE 3 : 3 VC-1 AND H.264 INTER MB MODE MAPPING VC-1 Transform size H.264 Inter Mode 8x8 16x16 4x8 8x16 8x4 16x8 TABLE 4 : 4 VC-1 AND H.264 INTER MB MODE  ... 
doi:10.1109/icip.2007.4379824 dblp:conf/icip/PantojaKL07 fatcat:k57rvnegubgaxi54c5fg2scvoi

Computationally Efficient Intra and Inter Mode Decision in H.264/AVC

Deepa Mathew, Binish M C, Bijoy A Jose
2020 Procedia Computer Science  
To reduce the computational complexity of H.264/AVC a fast intra and inter mode decision technique is implemented.  ...  To reduce the computational complexity of H.264/AVC a fast intra and inter mode decision technique is implemented.  ...  Conclusion A fast mode decision algorithm for the H.264/AVC intra and inter prediction is proposed in this paper.  ... 
doi:10.1016/j.procs.2020.04.037 fatcat:2uxcrnglcrexbowksqibwprjou

A novel rate-based macroblock classification for fast mode decision in H.264 video coding

Md. Salah Uddin Yusuf, Mohiuddin Ahmad
2011 14th International Conference on Computer and Information Technology (ICCIT 2011)  
In this paper, a novel rate-based macroblock classification is proposed for fast mode decision in H.264 video coding standard.  ...  To speed up the intra mode decision, a new fast Intra 4x4 mode selection algorithm is also proposed by choosing most likely modes using the low complexity SATD cost as screening function.  ...  CONCLUSION In this paper, efficient fast inter and intra mode selection algorithms for H.264 standard are proposed.  ... 
doi:10.1109/iccitechn.2011.6164849 fatcat:lxazip6hnfbijalwt6wjrlcnvy
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