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Perceptual-based HEVC Intra Coding Optimization using Deep Convolution Networks

Xuebin Sun, Han Ma, Weixun Zuo, Ming Liu
2019 IEEE Access  
Second, based on the saliency map, a modified rate-distortion optimization (RDO) method is designed to adaptively adjust bit rate allocation.  ...  In this paper, we propose a novel perceptual-based intra coding optimization algorithm for the High Efficiency Video Coding (HEVC) using deep convolution networks (DCNs).  ...  In order to improve the coding quality of salient regions, a rate-distortion optimization scheme guided by saliency map features is designed.  ... 
doi:10.1109/access.2019.2910245 fatcat:olffrjyxvrd3nn755e5vivxr3q

Region of interest coding applied to map overlapping in Geographic Information Systems

Joan Bartrina-Rapesta, Francesc Auli-Llinas, Joan Serra-Sagrista, Alaitz Zabala-Torres, Xavier Pons-Fernandez, Joan Maso-Pau
2007 2007 IEEE International Geoscience and Remote Sensing Symposium  
This paper introduces a novel use of the Region Of Interest (ROI) coding techniques to overcome the drawbacks of the map overlapping in GIS and RS applications.  ...  The proposed approach is based on a ROI coding method defined for the JPEG2000 standard that efficiently improves the coding performance and keeps JPEG2000 compliance.  ...  ROI-coding based on rate-distortion optimization The ROI coding methods defined in this category benefit from the code-stream organization in layers of increasing quality to allocate the ROIs in the first  ... 
doi:10.1109/igarss.2007.4423984 dblp:conf/igarss/Bartrina-RapestaLSZPM07 fatcat:qhwifvvs3bdt3kaogvpcicihju

Rendering Distortion Estimation Model for 3D High Efficiency Depth Coding

Qiuwen Zhang, Liang Tian, Lixun Huang, Xiaobing Wang, Haodong Zhu
2014 Mathematical Problems in Engineering  
In this paper, a modified distortion estimation model is proposed based on view rendering distortion instead of depth map distortion itself and can be applied to the high efficiency video coding (HEVC)  ...  rate distortion cost function process for rendering view quality optimization.  ...  3D video coding.  ... 
doi:10.1155/2014/940737 fatcat:4nkluxe3qzhh5h3dw2a7cahmda


Christos Grecos
2009 Journal of Real-Time Image Processing  
The first stage consists of a predictive step based on the rate distortion costs of neighboring and collocated macroblocks.  ...  In the paper, ''Real-time Interactive Regions of Interest in H.264/AVC'', Lambert et al. show two methods for adaptively changing at decoding time the size and position of the coded Regions of Interest  ... 
doi:10.1007/s11554-009-0112-6 fatcat:rd42sjdlobhgliax6trgsqnzda

Lossy Event Compression based on Image-derived Quad Trees and Poisson Disk Sampling [article]

Srutarshi Banerjee, Zihao W. Wang, Henry H. Chopp, Oliver Cossairt, Aggelos Katsaggelos
2020 arXiv   pre-print
Our Poisson Disk Sampling based Lossy Event Compression (PDS-LEC) algorithm performs rate-distortion based optimal allocation.  ...  To address this problem, we propose a novel event compression algorithm based on a quad tree (QT) segmentation map derived from the adjacent intensity images.  ...  The algorithm relies on a QT segmentation map which for identifying the regions of interest.  ... 
arXiv:2005.00974v2 fatcat:oyysvj3lonhbbottwimwngiygq

Visual Analysis Motivated Rate-Distortion Model for Image Coding [article]

Zhimeng Huang, Chuanmin Jia, Shanshe Wang, Siwei Ma
2021 arXiv   pre-print
Then, a novel CTU-level bit allocation model is proposed based on ROIM and the local texture characteristics of each CTU.  ...  We first propose the region of interest for machine (ROIM) to evaluate the degree of importance for each coding tree unit (CTU) in visual analysis.  ...  Rate Distortion Optimization In this section, a novel RDO model based on CNN extracting features is proposed.  ... 
arXiv:2104.10315v1 fatcat:aygp5evp55gchltgoqjpgyynnm

Page 8041 of Mathematical Reviews Vol. , Issue 2003j [page]

2003 Mathematical Reviews  
We propose a novel linear block-coding scheme based on the Khatri-Rao matrix product.  ...  We also obtain a new outer bound on the rate-distortion region which enhances the outer bound due to Witsenhausen and Wyner.  ... 

Model-aided coding of multi-viewpoint image data

M. Magnor, P. Eisert, B. Girod
2000 Proceedings 2000 International Conference on Image Processing (Cat. No.00CH37101)  
The paper presents a novel coding technique based on approximate geometry for images taken from arbitrary recording positions around a 3-D scene.  ...  The images are hierarchically coded to ensure efficient exploitation of inter-image similarities. The coding scheme is capable of generating novel views by texturizing the available geometry model.  ...  INTRODUCTION In image-based rendering (IBR), a set of images of a three-dimensional scene is used to create novel views of the depicted setting [1, 2] .  ... 
doi:10.1109/icip.2000.899866 dblp:conf/icip/MagnorEG00 fatcat:ncobiakojffnpp3j7y3smjtt6q

Dynamic Coding For Visual Communications

R. Castagno, T. Ebrahimi, M. Kunt, C. Le Buhan, E. Reusens
1996 Zenodo  
Publication in the conference proceedings of EUSIPCO, Trieste, Italy, 1996  ...  As illustrative example of the approach, a video compression system based on the principles of dynamic coding has also been presented.  ...  CONCLUSIONS This paper has introduced a novel approach, named dynamic coding, to the problem of visual data compaction in the context of multimedia.  ... 
doi:10.5281/zenodo.36397 fatcat:qd2wxgphkbgddph6qo5cmjvj5i

Dynamic approach to visual data compression

E. Reusens, T. Ebrahimi, C. Le Buhan, R. Castagno, V. Vaerman, L. Piron, C.D.S. Fabregas, S. Bhattacharjee, F. Bossen, M. Kunt
1997 IEEE transactions on circuits and systems for video technology (Print)  
This paper presents the EPFL proposal to MPEG-4 video coding standardization activity 1 . The proposed technique is based on a novel approach to audio-visual data compression entitled dynamic coding.  ...  The major characteristics of dynamic coding are reviewed, along with simulation results showing the performance of such an approach i n a v ery low bitrate video coding environment.  ...  In this example, the optimal admissible coding strategy is de ned as the one which minimizes the distortion subject to a maximum rate constraint.  ... 
doi:10.1109/76.554430 fatcat:b4tggypfxjb7letfwqpj7xxkrq

Optimized Adaptive Encoding Based on Visual Attention

Zhao Hong, Cao Chang, Li Jing Bo, Xiang Yan Zeng
2017 Journal of Engineering Science and Technology Review  
To reduce the impact of visual redundancy on video coding, a novel method of distinguishing the level of image attention was proposed in this study.  ...  Thus, the proposed method provides a bright prospect for optimizing the design of encoding strategies.  ...  Hua K L et al. presented a novel block-based image coding algorithm that applied a tree-structured multi-tree dictionary and a perceptual rate distortion optimization scheme [11] .  ... 
doi:10.25103/jestr.105.14 fatcat:fnzfsmvyurghphnrmpevmposbu

Object-based video coding with dynamic quality control

Xiaodong Cai, F.H. Ali, E. Stipidis
2010 Image and Vision Computing  
This paper presents a novel MPEG-4 priority-based multiple video objects coding system integrating User Visual Attention Model (UVAM) and Dynamic Bit Allocation (DBA) rate control mechanism.  ...  The first contribution of the paper is an object-based UVAM utilizing a two-level structure and a blob extraction algorithm.  ...  region-based coding com- plexity.  ... 
doi:10.1016/j.imavis.2009.08.005 fatcat:i5ouiwbwcbavjfa3koojot4r7y

Introduction to the special section on 3D representation, compression, and rendering

Anthony Vetro, Pascal Frossard, Sanghoon Lee, Karsten Mueller, Jens-Rainer Ohm, Gary Sullivan
2013 IEEE Transactions on Image Processing  
He was a key contributor to the Multiview Video Coding extension of the H.264/MPEG-4 AVC standard and currently serves as the Head of the U.S. delegation to MPEG.  ...  where he is currently a Group Manager responsible for research and standardization on video coding, as well as work on display processing, information security, sensing technologies, and speech/audio processing  ...  Then, in the paper "Regional Bit Allocation and RD Optimization for Multiview Depth Video Coding with View Synthesis Distortion Model," by Zhang et al., a model of the view synthesis distortion for regions  ... 
doi:10.1109/tip.2013.2268373 pmid:24052142 fatcat:k2o3kcjrnveqfpijoqug757tiu

On Quantizer Design to Exploit Common Information in Layered Coding of Vector Sources [article]

Mehdi Salehifar, Tejaswi Nanjundaswamy, Kenneth Rose
2018 arXiv   pre-print
The flexibility of sharing only a properly selected subset of information from a lower quality level with the higher quality level, enables achieving operating points between conventional scalable coding  ...  The key challenge is to optimally encode all the required quality levels with efficient usage of storage and networking resources.  ...  ACKNOWLEDGMENT The authors would like to thank NSF funding under the code of NSF-CCF-1016861 and NSF-CCF-1320599.  ... 
arXiv:1802.02702v1 fatcat:aina7moy2nf5bfeqq2igak4qdy

A Novel Paradigm for Optimized Scalable Video Transmission Based on JPEG2000 with Motion

Aous Thabit Naman, David Taubman
2007 2007 IEEE International Conference on Image Processing  
A novel paradigm for optimized scalable video streaming is presented.  ...  The paradigm proposes transmission of motion vectors and selected code-blocks of the JPEG 2000 representation of each new frame, instead of frame differences as in existing methods.  ...  Further benefits are expected if more than two frames are optimized at a time. Figure 1 , 1 which shows a typical rate-distortion curve for a code-block C β p .  ... 
doi:10.1109/icip.2007.4379773 dblp:conf/icip/NamanT07 fatcat:pljth5rmcfghjn43q5wp5eaite
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