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Artykuły w czasopismach na temat "Intra- frame coding"

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Hashimoto, Ryoji. "3. Intra Frame Coding." Journal of The Institute of Image Information and Television Engineers 75, no. 1 (2021): 16–20. https://doi.org/10.3169/itej.75.16.

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Suzuki, Teruhiko. "1-3 Intra Frame Coding and Inter Frame Predictive Coding." Journal of the Institute of Image Information and Television Engineers 67, no. 7 (2013): 537–40. http://dx.doi.org/10.3169/itej.67.537.

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K., Sripal Reddy*1 Boppidi Srikanth2 &. C. Loknath Reddy3. "DESIGN AND ANALYSIS OF VIDEO COMPRESSION TECHNIQUE USING HEVC INTRA-FRAME CODING." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 6 (2017): 477–82. https://doi.org/10.5281/zenodo.817839.

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High Efficiency Video Coding (HEVC) is currently being prepared as the newest video coding standard of the ITU-T Video Coding Experts Group and the ISO/IEC Moving Picture Experts Group. The main goal of the HEVC standardization effort is to enable significantly improved compression performance relative to existing standards in the range of 50% bit-rate reduction for equal perceptual video quality. Intra-frame coding is essential in both still image and video coding. In the block-based coding scheme, the spatial redundancy can be removed by utilizing the correlation between the current pixel an
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Wang, Qiang, Liuyang Jiang, Xuebin Sun, Jingbo Zhao, Zhaopeng Deng, and Shizhong Yang. "An Efficient LiDAR Point Cloud Map Coding Scheme Based on Segmentation and Frame-Inserting Network." Sensors 22, no. 14 (2022): 5108. http://dx.doi.org/10.3390/s22145108.

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In this article, we present an efficient coding scheme for LiDAR point cloud maps. As a point cloud map consists of numerous single scans spliced together, by recording the time stamp and quaternion matrix of each scan during map building, we cast the point cloud map compression into the point cloud sequence compression problem. The coding architecture includes two techniques: intra-coding and inter-coding. For intra-frames, a segmentation-based intra-prediction technique is developed. For inter-frames, an interpolation-based inter-frame coding network is explored to remove temporal redundancy
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., Manjanaik N. "SELECTIN OF INTRA PREDICTION MODES FOR INTRA FRAME CODING IN ADVANCED VIDEO CODING STANDARD." International Journal of Research in Engineering and Technology 02, no. 12 (2013): 67–75. http://dx.doi.org/10.15623/ijret.2013.0212012.

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Su, Hui. "Intra-Skip in Inter-Frame Coding of H.264/AVC." International Journal of Digital Multimedia Broadcasting 2009 (2009): 1–8. http://dx.doi.org/10.1155/2009/141986.

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In inter-frame coding of H.264/AVC standard, not only seven inter-partition modes but also intra-modes are taken into account for seeking the best coding mode so as to maintain higher encoding efficiency by sacrificing the speed of H.264/AVC encoder. Aiming at intra-skip, this paper proposes a novel mathematical model for intra-skip in inter-frame coding to alleviate the complexity of the process; the model provides remarkable performance increment by cutting down encoding time while accompanying very minor bitrate increase. The critical advantage of this proposed scheme most emphasized on is
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Mohan, V., and I. Infant Arockia Mary. "Intra-Frame Coding With Markovian Prediction and LWT." International Journal of Web Technology 5, no. 1 (2016): 13–16. http://dx.doi.org/10.20894/ijwt.104.005.001.004.

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Sun, Yipeng, Mai Xu, Xiaoming Tao, and Jianhua Lu. "Online Dictionary Learning Based Intra-frame Video Coding." Wireless Personal Communications 74, no. 4 (2014): 1281–95. http://dx.doi.org/10.1007/s11277-013-1577-y.

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Jing, Zhiyong, Peng Li, Jinchao Zhao, and Qiuwen Zhang. "A Fast CU Partition Algorithm Based on Gradient Structural Similarity and Texture Features." Symmetry 14, no. 12 (2022): 2644. http://dx.doi.org/10.3390/sym14122644.

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The H.266/Versatile Video Coding (VVC) standard poses a great challenge for encoder design due to its high computational complexity and long encoding time. In this paper, the fast partitioning decision of coding blocks is investigated to reduce the computational complexity and save the coding time of VVC intra-frame predictive coding. A fast partitioning algorithm of VVC intra-frame coding blocks based on gradient structure similarity and directional features is proposed. First, the average gradient structure similarity of four sub-coding blocks under the current coding block is calculated, an
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Pang, Chao, Oscar C. Au, Jingjing Dai, and Feng Zou. "Frame Complexity Guided Lagrange Multiplier Selection for H.264 Intra-Frame Coding." IEEE Signal Processing Letters 18, no. 12 (2011): 733–36. http://dx.doi.org/10.1109/lsp.2011.2172940.

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Rozprawy doktorskie na temat "Intra- frame coding"

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Palomino, Daniel Munari Vilchez. "Algorithm and hardware based architectural design targeting the intra-frame prediction of the HEVC video coding standard." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/70236.

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Este trabalho apresenta uma arquitetura de hardware para a predição intra-quadro do padrão emergente HEVC de codificação de vídeo. O padrão HEVC está sendo desenvolvido tendo como principal objetivo o aumento em 50% na eficiência de compressão, quando comparado com o padrão H.264/AVC, atual padrão estado da arte na codificação de vídeos. Para atingir este objetivo, várias novas ferramentas de codificação foram desenvolvidas para serem introduzidas no novo padrão HEVC. Embora essas novas ferramentas tenham obtido êxito em aumentar a eficiência de compressão do novo padrão HEVC, elas também cola
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Diniz, Claudio Machado. "Arquitetura de hardware dedicada para a predição intra-quadro em codificadores do padrão H.264/AVC de compressão de vídeo." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17801.

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A compressão de vídeo é essencial para aplicações de vídeo digital. Devido ao elevado volume de informações contidas em um vídeo digital, um processo de compressão é aplicado antes de ser armazenado ou transmitido. O padrão H.264/AVC é considerado o estado-da-arte em termos de compressão de vídeo, introduzindo um conjunto de ferramentas inovadoras em relação a padrões anteriores. Tais ferramentas possibilitam um ganho significativo em compressão, ao preço de um aumento na complexidade. A predição intra-quadro é uma das ferramentas inovadoras do padrão H.264/AVC, responsável por reduzir a redun
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Haung, Cheng-wei, and 黃正維. "Optimal Tiling Algorithms for Intra-frame Video Coding." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/9wzh8u.

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碩士<br>國立臺灣科技大學<br>資訊工程系<br>99<br>Algorithms for best basis search in tree-structured dictionaries have been effectively used for many signal processing problems, including noise removal, image compression, audio compression, and image segmentation. An important class of best basis algorithms are methods that search for an optimal rectangular tiling of an image. Such methods can significantly improve the performance of image coding strategies based on block or lapped transforms through adapting the sizes and shapes of transform blocks to the structure of an image. H.264/AVC employs variable-blo
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Wu, Jyun-de, and 吳俊德. "Study of H.264 intra frame coding and transcoding." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/b5b2pz.

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碩士<br>國立中央大學<br>通訊工程研究所<br>96<br>H.264/AVC is the latest video coding standard recommended by ITU-T and MPEG. Compared with all existing video coding standard, H.264 provides some of new coding techniques, such as intra mode prediction. It plays an important role for reducing temporal redundancy. However, it takes most computational complexity in the coding process. In this paper, we propose an efficient intra mode prediction algorithm based on AClow components. It is acquired from DCT coefficients to judging intra prediction size in advance. The experiment results show that the significant re
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游瑋玲. "Excitation-based Linear Prediction for Intra-Frame Video Coding." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/81054080638979914117.

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碩士<br>國立交通大學<br>資訊科學與工程研究所<br>98<br>In this thesis, we propose a new intra-prediction method for very high quality image coding. Unlike many new image coding standards, such as the intra coder of AVC/H.264 or JPEG-XR, which apply 2-D spatial predictions to remove correlation in image data, the proposed technique converts 2-D image signals to 1-D signal using Hilbert curve scan patterns before predictive coding. A linear filter is used to estimate the predictor of the 1-D signal. The prediction errors are non-uniformly down-sampled using a closed-loop optimization process, and used as the excit
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Rup, Suvendu. "Intra-Key-Frame Coding and Side Information Generation Schemes in Distributed Video Coding." Thesis, 2013. http://ethesis.nitrkl.ac.in/5475/1/Suvendu_Rup.pdf.

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In this thesis investigation has been made to propose improved schemes for intra-key-frame coding and side information (SI) generation in a distributed video coding (DVC) framework. From the DVC developments in last few years it has been observed that schemes put more thrust on intra-frame coding and better quality side information (SI) generation. In fact both are interrelated as SI generation is dependent on decoded key frame quality. Hence superior quality key frames generated through intra-key frame coding will in turn are utilized to generate good quality SI frames. As a result, DV
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Cheng-Wei, Chu. "Design and Implementation of an H.264 Intra-frame Coding Circuit." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-0807200514395000.

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Chu, Cheng-Wei, and 朱正偉. "Design and Implementation of an H.264 Intra-frame Coding Circuit." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/65918014431746523763.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>93<br>In this Thesis, we propose a design of H.264 intra frame coding circuit. In the proposed design, nine INTRA_4x4 and four INTRA_16x16 prediction modes for luminance samples are realized, and four INTRA_CHROMA prediction modes for chrominance samples are also implemented. The design owns a processing capability to accomplish the H.264 intra frame coding for SDTV (720 x 480 x 30 fps) application. The architecture of intra prediction generator is designed to support all prediction modes defined in the H.264 standard. Forward/inverse transform unit proposed in [5]
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Tan, Hao-Wen, and 譚皓文. "Study of an Intra Frame Video Coding in H.264/AVC." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/42007099024681425497.

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碩士<br>國立中央大學<br>通訊工程研究所<br>100<br>In previous work [8], frame-based down-sampling video coding technique improves efficiency in intra frame of H.264/AVC. An algorithm of frame-based down-sampling video coding is proposed to enhance the efficiency: the quarter mode and not to add prediction error are considered in it. However, frames would limit the efficiency because every region in frame might have a different character. We apply down-sampling video coding technique from frame-based into block-based, proposing a block-based algorithm of down-sampling video coding. The experiments show the fra
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Lu, Yueh-Ju, and 呂岳儒. "An efficient HEVC intra frame coding based on convolutional neural network." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/u373by.

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碩士<br>義守大學<br>電子工程學系<br>107<br>Convolutional neural network (CNN) has been developed rapidly in deep learning areas, and has become a hot studying topic in image applications. High efficiency video coding (HEVC) is the newest video coding standard. The HEVC standard can achieve high coding efficiency with a lower bitrate for intra frame coding. However, it still needs many bits to finish best rate-distortion (R-D) curve. Since there are only 35 directions prediction modes provided in intra prediction module (IPM), HEVC occurs a large distortion when the image contents are out of these predicti
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Części książek na temat "Intra- frame coding"

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Saldanha, Mário, Gustavo Sanchez, César Marcon, and Luciano Agostini. "VVC Intra-frame Prediction." In Versatile Video Coding (VVC). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11640-7_3.

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Saldanha, Mário, Gustavo Sanchez, César Marcon, and Luciano Agostini. "Performance Analysis of VVC Intra-frame Prediction." In Versatile Video Coding (VVC). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11640-7_5.

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Saldanha, Mário, Gustavo Sanchez, César Marcon, and Luciano Agostini. "Fast Intra-frame Prediction Transform for Luminance Using Decision Trees." In Versatile Video Coding (VVC). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11640-7_9.

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Saldanha, Mário, Gustavo Sanchez, César Marcon, and Luciano Agostini. "Learning-Based Fast Decision for Intra-frame Prediction Mode Selection for Luminance." In Versatile Video Coding (VVC). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11640-7_8.

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Liu, Dong, Zhenxin Zhang, Fangdong Chen, Houqiang Li, and Feng Wu. "Reflectance Reference for Intra-Frame Coding of Surveillance Video." In Advances in Multimedia Information Processing – PCM 2018. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00776-8_44.

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Yan, Haixia, and Yanjun Liu. "Video Codec Method for Compressed Sensing Theory." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2409-6_25.

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Abstract In order to realize the rapid H.265 codec method, a new H.265 codec method based on Compressed Sensing Theory is proposed. The H.265 codec method are divided into three different types, intra-frame type, interframe type and mix frame type. Combined with the Compressed Sensing Theory, the input images linearly transform into the residual data, scale and quantify the transformed coefficients; after loop filtering and adaptive compensation, the H.265 coding data are got. When decoding, the process is reversed. Experimental results show that this method improves the image video codec qual
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Wu, Jiyi, Mengfan Wang, Yuanlun Wei, Chengjun Li, and Zhiwei Zhao. "IFC: Inter-frame Geometry Information Compression for Volumetric Video with Adaptive Prediction Units and Selective Intra-frame Coding." In Communications in Computer and Information Science. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-9952-0_17.

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Manjanaik, N., and Manjunath Ramachandra. "Intra Frame Coding in H.264 to Obtain Consistent PSNR and Reduce Bit Rate for Diagonal Down Right Mode Using Gaussian Pulse." In Emerging Research in Computing, Information, Communication and Applications. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4741-1_26.

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Oakes, Matthew, and Charith Abhayaratne. "A New Saliency Model Using Intra Coded High Efficiency Video Coding (HEVC) Frames." In MultiMedia Modeling. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04114-8_49.

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Lambert, Peter, Stefaan Mys, Jozef Škorupa, et al. "Fast Mode Decision in H.264/AVC." In Handheld Computing for Mobile Commerce. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-761-9.ch021.

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The latest video coding standard (Wiegand, 2003), H.264/AVC, uses variable block sizes ranging from 16x16 to 4x4 to perform motion estimation in inter-frame coding and a rich set of prediction patterns for intra-frame coding. Then a robust RDO (Rate Distortion Optimization) technique is employed to select the best coding mode and reference frame for each macroblock. As a result, H.264/AVC exhibits high coding efficiency compared to older video coding standards [2, 3] and shows significant future promise in the fields of video broadcasting and communication. However, high coding efficiency also
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Streszczenia konferencji na temat "Intra- frame coding"

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Palfner, Torsten, and Thomas Wedi. "Advanced Scanning for Intra Frame Coding." In 2006 International Conference on Image Processing. IEEE, 2006. http://dx.doi.org/10.1109/icip.2006.312934.

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Amna, Maraoui, Werda Imen, and Sayadi Fatma Ezahra. "Deep Learning For Intra Frame Coding." In 2021 International Conference on Engineering and Emerging Technologies (ICEET). IEEE, 2021. http://dx.doi.org/10.1109/iceet53442.2021.9659742.

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Long Xu, King Ngi Ngan, and Miaohui Wang. "Video content dependent directional transform for intra frame coding." In 2012 Picture Coding Symposium (PCS). IEEE, 2012. http://dx.doi.org/10.1109/pcs.2012.6213326.

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Cilasun, M. Husrev, and Fatih Kamisli. "Fast DST optimizations for intra-frame coding." In 2018 26th Signal Processing and Communications Applications Conference (SIU). IEEE, 2018. http://dx.doi.org/10.1109/siu.2018.8404787.

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Tekeli, Nihat, and Fatih Kamisli. "Intra-frame coding with recursive intra prediction and adapted block transforms." In 2014 IEEE Visual Communications and Image Processing Conference (VCIP). IEEE, 2014. http://dx.doi.org/10.1109/vcip.2014.7051535.

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Li, Daowen, Zhihao Zhang, Kaitian Qiu, et al. "Affine Deformation Model Based Intra Block Copy for Intra Frame Coding." In 2020 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2020. http://dx.doi.org/10.1109/iscas45731.2020.9180453.

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Huang, Yi-Hsin, Tao-Sheng Ou, and Homer H. Chen. "Fast H.264 selective intra mode decision for inter-frame coding." In 2009 Picture Coding Symposium (PCS). IEEE, 2009. http://dx.doi.org/10.1109/pcs.2009.5167355.

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Brand, Fabian, Jurgen Seiler, and Andre Kaup. "Intra Frame Prediction for Video Coding Using a Conditional Autoencoder Approach." In 2019 Picture Coding Symposium (PCS). IEEE, 2019. http://dx.doi.org/10.1109/pcs48520.2019.8954546.

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Chatterjee, Saikat, and T. V. Sreenivas. "Joint inter-frame and intra-frame predictive coding of LSF parameters." In 2007 9th International Symposium on Signal Processing and Its Applications (ISSPA). IEEE, 2007. http://dx.doi.org/10.1109/isspa.2007.4555492.

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Zhao, Xin, Li Zhang, Siwei Ma, and Wen Gao. "Rate-distortion optimized transform for intra-frame coding." In 2010 IEEE International Conference on Acoustics, Speech and Signal Processing. IEEE, 2010. http://dx.doi.org/10.1109/icassp.2010.5495468.

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