Relevant bibliographies by topics / Macroblock

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Macroblock'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Macroblock"

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Wang, Xiaodong, Ting Yao, Shaobo Li, Lianjun Zhang, and Chaolin Wang. "Macroblock Importance Based Method for Stereo Video Congestion Control." Cybernetics and Information Technologies 15, no. 6 (2015): 81–90. http://dx.doi.org/10.1515/cait-2015-0069.

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Abstract Transporting a stereo video stream over an unreliable channel can degrade severely the video quality. Network congestion is one of the important factors affecting the video quality. To improve the stereo video quality, a stereo video congestion control method, based on the macroblock importance, is proposed. Firstly, the importance of every macroblock is calculated according to its influence on the current frame and future frames. Then, combined with the importance information, all macroblocks of a frame are divided into three levels. Finally, the packets are transported with the help
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CHEW, LI WERN, WAI CHONG CHIA, LI-MINN ANG, and KAH PHOOI SENG. "HIGH PERFORMANCE, LOW-COMPLEXITY LINE-BASED MOTION ESTIMATION ALGORITHM WITH SMOOTHING AND PREPROCESSING." International Journal of Pattern Recognition and Artificial Intelligence 23, no. 01 (2009): 101–14. http://dx.doi.org/10.1142/s0218001409006990.

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This paper introduces a smoothing and preprocessing (S+P) technique for a line-based one-bit-transform (1BT) motion estimation scheme. In the proposed algorithm, a smoothing threshold ( Threshold S) is incorporated into the 1BT convolutional kernel. By using the smoothing threshold, scattering noise which is a common problem in most 1BT images can be greatly reduced. After the transformation, the 1BT images for the current and reference frames are divided into a number of macroblocks. The macroblock in the current frame is first compared with the macroblock at the same position in the referenc
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Kong, Xiang Jun, Yan Zhao, Qian Fan, Shi Gang Wang, and He Xin Chen. "A Fast Algorithm for Motion and Disparity Estimation Based on the Reference Directions of Neighboring Macroblocks." Advanced Materials Research 846-847 (November 2013): 1201–4. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.1201.

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As for JMVC (Joint Multi-view Video Coding), when executing motion and disparity estimation simultaneously, the implicit correlation of reference directions between current and neighboring macroblocks is neglected, and this will lead to useless searching. To reduce this redundancy, we propose an estimation algorithm which sets search ranges properly by exploiting the mentioned correlation. The proposed algorithm first gets the reference directions of macroblocks in the left, top and top right direction of current macroblock, and compares them with current reference direction, then sets search
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Qin, Huan Chang. "Mode Decision Strategy for I-Frames in H.264/AVC Based on Low-Pass Filter." Key Engineering Materials 460-461 (January 2011): 810–15. http://dx.doi.org/10.4028/www.scientific.net/kem.460-461.810.

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For the purpose of reduce the complicated process of H.264/AVC standard, the overall coding flow is studied, and some of the key technolies are discussed in the front part of this thesis. An algorithm for determining the distortion for different data partitions in H.264/AVC is proposed. A low-pass filter is implemented for each macroblock; after the macroblock is smoothed by this filter we compare the result of the filtered macroblock with the original data and generate the difference between them. Then the basic candidate-mode class is determined based on the difference, and the further mode
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PSANNIS, K., and Y. ISHIBASHI. "Efficient Flexible Macroblock Ordering Technique." IEICE Transactions on Communications E91-B, no. 8 (2008): 2692–701. http://dx.doi.org/10.1093/ietcom/e91-b.8.2692.

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Ali, Ismail, Sandro Moiron, Martin Fleury, and Mohammed Ghanbari. "Congestion Resiliency for Data-Partitioned H.264/AVC Video Streaming Over IEEE 802.11e Wireless Networks." International Journal of Handheld Computing Research 3, no. 1 (2012): 55–73. http://dx.doi.org/10.4018/jhcr.2012010104.

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This paper examines the impact of data partitioning form on wireless network access control and proposes a selective dropping scheme based on dropping the partition carrying intra-coded macroblocks. Data partitioning is an error resiliency technique that allows unequal error protection for transmission over ‘lossy’ channels. Including a per-picture, cyclic intra-refresh macroblock line guards against temporal error propagation. The authors show that when congestion occurs, it is possible to gain up to 2 dB in video quality over assigning a stream to a single IEEE 802.11e access category. The s
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Milicevic, Zoran, and Zoran Bojkovic. "An approach to selective intra coding and early inter skip prediction in H.264/AVC standard." Facta universitatis - series: Electronics and Energetics 21, no. 1 (2008): 107–19. http://dx.doi.org/10.2298/fuee0801107m.

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This paper presents selective intra coding and early inter skip fast mode decision algorithm for H.264/AVC and compares performance of H.264/AVC with prior standards. Video coding standard H.264/AVC provides gains in compression efficiency of up to 50% over a wide range of bit rates and video resolutions compared to previous standards. In order to achieve this, a robust rate-distortion optimization (RDO) technique is employed to select best coding mode and reference frame for each macroblock. Also, the original and modification test models are compared for combined skip and intra prediction me
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Ahmed, Zayneb, Abir Jaafar Hussain, Wasiq Khan, et al. "Lossy and Lossless Video Frame Compression: A Novel Approach for High-Temporal Video Data Analytics." Remote Sensing 12, no. 6 (2020): 1004. http://dx.doi.org/10.3390/rs12061004.

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The smart city concept has attracted high research attention in recent years within diverse application domains, such as crime suspect identification, border security, transportation, aerospace, and so on. Specific focus has been on increased automation using data driven approaches, while leveraging remote sensing and real-time streaming of heterogenous data from various resources, including unmanned aerial vehicles, surveillance cameras, and low-earth-orbit satellites. One of the core challenges in exploitation of such high temporal data streams, specifically videos, is the trade-off between
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Yang, Xiao Yuan, Li Yi Zhao, and Ke Niu. "An Efficient Video Steganography Algorithm Based on Sub-Macroblock Partition for H.264/AVC." Advanced Materials Research 433-440 (January 2012): 5384–89. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.5384.

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In this paper, a simple video steganography algorithm based on the tree structured motion compensation of the H.264 video compression standard is proposed. In the proposed method, the head data of macroblock in P/B-frames was used as a cover, the 8x8 partition modes which represent the detailed areas are selected, and information hiding is implemented by modifying the partition modes of the sub-macroblock. Experiments are designed to prove the feasibility of the proposed scheme by using different kinds of test videos. Simulation results show that, in our scheme, a high data hiding rate is obta
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Hyun, Myung-Han. "A Variable Quantization Coefficient Scanning for Macroblock Considering the Histogram Value of Previous Macroblock's Quantization Coefficient." Journal of the Korea Institute of Military Science and Technology 14, no. 2 (2011): 281–88. http://dx.doi.org/10.9766/kimst.2011.14.2.281.

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Dissertations / Theses on the topic "Macroblock"

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Demirtas, Ali Murat. "Error Resilient Coding Using Flexible Macroblock Ordering In Wired And Wireless Communications." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609860/index.pdf.

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Error Resilient Coding tools are the methods to avoid or reduce the amount of corruption in video by altering the encoding algorithm. One of them is Flexible Macroblock Ordering (FMO) which provides us with ordering macroblocks of the frames flexibly. Six of them have definite ordering pattern and the last one, called explicit type, can get any order. In this thesis two explicit type algorithms, one of which is new, are explained and the performance of different FMO types in wired and wireless communication are evaluated. The first algorithm separates the important blocks into separate packet
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Zhang, Jian Electrical Engineering Australian Defence Force Academy UNSW. "Error resilience for video coding services over packet-based networks." Awarded by:University of New South Wales - Australian Defence Force Academy. School of Electrical Engineering, 1999. http://handle.unsw.edu.au/1959.4/38652.

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Error resilience is an important issue when coded video data is transmitted over wired and wireless networks. Errors can be introduced by network congestion, mis-routing and channel noise. These transmission errors can result in bit errors being introduced into the transmitted data or packets of data being completely lost. Consequently, the quality of the decoded video is degraded significantly. This thesis describes new techniques for minimising this degradation. To verify video error resilience tools, it is first necessary to consider the methods used to carry out experimental measurements.
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Ferreira, Renan Utida. "Codificador H.264/AVC com compensação de movimento baseada em partições alternativas de macrobloco." reponame:Repositório Institucional da UnB, 2009. http://repositorio.unb.br/handle/10482/4142.

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Dissertação (mestrado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Elétrica, 2009.<br>Submitted by Allan Wanick Motta (allan_wanick@hotmail.com) on 2010-04-08T14:13:17Z No. of bitstreams: 1 2009_RenanUtidaFerreira.pdf: 1870886 bytes, checksum: 470ef730e0d602a7361b89942f208e20 (MD5)<br>Approved for entry into archive by Lucila Saraiva(lucilasaraiva1@gmail.com) on 2010-04-09T21:59:14Z (GMT) No. of bitstreams: 1 2009_RenanUtidaFerreira.pdf: 1870886 bytes, checksum: 470ef730e0d602a7361b89942f208e20 (MD5)<br>Made available in DSpace on 2010-04-09T21:59:14Z (GMT
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Bednarz, Robin. "Analýza kvality obrazu v digitálních televizních systémech." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217810.

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Diploma thesis deals with the analysis of quality in digital television systems and contains theoretical description of subjective and objective assessment of quality picture methods. The thesis contains short-term and long-term analysis of quality picture of terrestrial television DVB-T. Measurements and experimentations were carried out with the help of Rohde&Schwarz DVQ analyzer of picture quality and software MPEG-2 Quality Monitor and MPEG-2 Elementary stream analyzer.
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Hsu, Ming-chien, and 徐銘鍵. "Macroblock-Layer Rate Control Using Nonlinear Regression." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/56865383708162939447.

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碩士<br>義守大學<br>資訊管理學系碩士班<br>97<br>The goal of rate control is mainly to make bits stream of videos match the bandwidth of the transmission or the size of storage space; meanwhile, reconstructed image quality is also considered by rate control. For achieving above goals, many rate-control schemes based on the rate-distortion (R-D) model have been developed. But these techniques include more complicated calculations. A new rate-control scheme using dynamic table can reduce the computation complexity by table look-up. The table establishes a corresponding relation for rate and distortion under a v
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Kung, Yi-wei, and 龔奕瑋. "A New Rate-Control Technique on Macroblock Layer." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/57516512965598888520.

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碩士<br>義守大學<br>資訊工程學系碩士班<br>95<br>Many rate-control schemes based on the rate-distortion (R-D) model have been developed. With a constant quantization parameter (QP), blocks with higher complexity will result in more coded bits in encoding process, so these bocks will be allocated more budget bits in the bits allocation. In fact, not only can the complexity of a block affect the number of its coded bits, but also the distribution of its coefficients. In this thesis we propose a new macroblock-layer rate-control scheme that employs a dynamic table containing the information of rate distortions a
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Liao, Yu-Li, and 廖芸立. "TMN8 Macroblock Level Quantizer Adjustment under Low Bit Rate." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/19647036560494476878.

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碩士<br>國立交通大學<br>電信工程系<br>90<br>The bit allocation efficiency becomes increasingly significant in low bit rate video. In this work, we focus mainly on how to reduce header bit redundancy and allot bits to macroblocks that have rich luminance and chrominance information. It is achieved by adjusting the quantization parameter QP for every macroblocks. The variation of QP is highly related to parameter K and C. We find that the QP estimated from weighted averaged K and C will result in larger variation and more empty macroblocks. After studying the rate control method of TMN8, we proposed four est
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Lin, Ping-Yu, and 林炳佑. "Fast motion estimation and macroblock mode selection algorithm for H.264 video coding." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/33538659472861654449.

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Hung, Sheng-Je, and 洪聖哲. "A Pipeline and Macroblock-Level Parallelism Architecture Design for H.264/AVC Baseline Decoder." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/53115479812516513689.

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碩士<br>國立清華大學<br>資訊工程學系<br>95<br>In urgent demand of hardware architecture design for H.264 coder, pipeline scheme becomes one of most popular solutions. However, the unbalanced time consumption in pipeline stage reduced the throughput and hardware utilization. In this paper, we propose a pipelined architecture with macroblock-level parallelism within pipeline stages. To realize macroblock-level parallelism, higher level pipelining and proper job management between pipeline stages are designed. By efficient scheduling policy and system synchronization, data dependency of intra prediction an
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Hsiao, Chung-Liang, and 蕭仲良. "Error Resilience Enhancement of H.264/AVC Video for Wireless Transmission Using Flexible Macroblock Ordering." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/32383514780380263128.

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碩士<br>國立清華大學<br>資訊工程學系<br>95<br>H.264/AVC video coding standard is very suitable for wireless application because of its excellent compression efficiency, network-friendly design and error resilient tools. However, video stream suffers packet losses in error-prone wireless environment, results in quality degradation to video sequences. It will be essential to solve this problem. In this paper, we use explicit type of FMO (Flexible Macroblock Ordering) in H.264/AVC error resilient tool to provide error resilient video transmission. Our method introduces the error sensitivity of MB (macroblock)
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Books on the topic "Macroblock"

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A practical guide to video and audio compression: From sprockets and rasters to macroblocks. Focal, 2005.

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Book chapters on the topic "Macroblock"

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Suh, Jae-Won, and Yo-Sung Ho. "Motion Vector Recovery for Error Concealment Based on Macroblock Distortion Modeling." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36087-5_21.

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Kim, Donghyung, Joohyun Lee, Kicheol Jeon, and Jechang Jeong. "Macroblock Mode Decision Scheme for Fast Encoding in H.264/AVC." In Advances in Multimedia Information Processing - PCM 2006. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11922162_43.

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Muzaffar, Tanzeem, and Tae-Sun Choi. "Enhanced Video Coding with Error Resilience Based on Macroblock Data Manipulation." In Computational Science and Its Applications – ICCSA 2004. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24768-5_31.

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Kim, Donghyung, Jongho Kim, and Jechang Jeong. "Adaptive Macroblock Mode Selection for Reducing the Encoder Complexity in H.264." In Advanced Concepts for Intelligent Vision Systems. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11864349_36.

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Kim, Donghyung, Jongho Kim, Seungjong Kim, and Jechang Jeong. "A Fast Algorithm for Macroblock Mode Selection in H.264 Video Coding." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11867586_43.

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Shen, Cheng-dong, and Si-kun Li. "A Hierarchical Framework for Fast Macroblock Prediction Mode Decision in H.264." In Advances in Multimedia Information Processing - PCM 2006. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11922162_94.

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Wang, Hong-jun, Chang Sun, and Hua Li. "A Novel Macroblock-Level Rate-Distortion Optimization Scheme for H.264/AVC." In Advances in Visual Computing. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-89646-3_75.

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Zhang, Jianning, Lifeng Sun, and Yuzhuo Zhong. "A Novel Video Coding Framework by Perceptual Representation and Macroblock-Based Matching Pursuit Algorithm." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/978-3-540-69423-6_32.

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Wei, Jing-Siang, Zeng-Yao Lin, and Chian C. Ho. "Design and Implementation of H.264/AVC Reverse Biorthogonal Wavelet-Based Flexible Macroblock Ordering." In Lecture Notes in Electrical Engineering. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6996-0_33.

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Lee, Kyung-Hee, and Jae-Won Suh. "Fast Multi Frames Selection Algorithm Based on Macroblock Reference Map for H.264/AVC." In Advanced Concepts for Intelligent Vision Systems. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04697-1_16.

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Conference papers on the topic "Macroblock"

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Chen, Jianwen, Jianhua Zheng, Shunliang Mei, and Yun He. "Macroblock-Level Adaptive Frequency Weighting." In Multimedia and Expo, 2007 IEEE International Conference on. IEEE, 2007. http://dx.doi.org/10.1109/icme.2007.4284647.

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Hung, Edson M., Ricardo L. De Queiroz, and Debargha Mukherjee. "On Macroblock Partition for Motion Compensation." In 2006 International Conference on Image Processing. IEEE, 2006. http://dx.doi.org/10.1109/icip.2006.312686.

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Zhang, Hong, Yun Cao, Xianfeng Zhao, Weiming Zhang, and Nenghai Yu. "Video steganography with perturbed macroblock partition." In the 2nd ACM workshop. ACM Press, 2014. http://dx.doi.org/10.1145/2600918.2600936.

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Du, Tran Duc Hai. "Macroblock mode decision for H.264." In the 7th ACM SIGMM international workshop. ACM Press, 2005. http://dx.doi.org/10.1145/1101826.1101854.

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Carrillo, Paula, Akira Osamoto, and Jian Wang. "Skin-tone Macroblock detection for video coding." In 2011 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB). IEEE, 2011. http://dx.doi.org/10.1109/bmsb.2011.5954901.

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Lin, Yu-Hsun, Chun-Nan Chou, and Edward Y. Chang. "MBS: Macroblock Scaling for CNN Model Reduction." In 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). IEEE, 2019. http://dx.doi.org/10.1109/cvpr.2019.00933.

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Choi, Woong Il, Jungyoup Yang, and Byeungwoo Jeon. "Macroblock-level adaptive dynamic resolution conversion technique." In Optics East 2006, edited by Susanto Rahardja, JongWon Kim, Qi Tian, and Chang Wen Chen. SPIE, 2006. http://dx.doi.org/10.1117/12.689854.

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Guo, Longsheng, Haibing Yin, Jia Wang, Ning Xu, and Jingjing Tan. "Study on macroblock level distortion-quantization models." In Fourth International Conference on Digital Image Processing (ICDIP 2012), edited by Mohamed Othman, Sukumar Senthilkumar, and Xie Yi. SPIE, 2012. http://dx.doi.org/10.1117/12.956496.

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Katz, B., and S. Greenberg. "Spiral-Interleaved New Explicit Flexible MacroBlock Ordering Type." In 2006 International Conference on Information Technology: Research and Education. IEEE, 2006. http://dx.doi.org/10.1109/itre.2006.381572.

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Shang, Fei, Guang Yang, Hongsheng Yang, and Di Tian. "Efficient Global Motion Estimation Using Macroblock Pair Vectors." In 2009 International Conference on Information Technology and Computer Science (ITCS 2009). IEEE, 2009. http://dx.doi.org/10.1109/itcs.2009.51.

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