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A Novel Rate Control Framework for SIFT/SURF Feature Preservation in H.264/AVC Video Compression

Jianshu Chao, Robert Huitl, Eckehard Steinbach, Damien Schroeder
2015 IEEE transactions on circuits and systems for video technology (Print)  
A rate control framework for H.264/AVC based video coding is used to improve the gradient based features to increase Scale-Invariant Features Transform (SIFT) and Speeded up Robust Feature (SURF).  ...  The timeliness and importance of this work arises from the recent finalization of the H.265 standard, which will herald the development of a new generation of consumer device video applications.  ...  Macroblock classifications During the compression process, each frame is divided in blocks of a fixed size (16x16 for example) or one of the possible sizes (based on the codec standard), which is called  ... 
doi:10.1109/tcsvt.2014.2367354 fatcat:bve6p4crwfeshoiezwvr3rrsxq

Different Approach of VIDEO Compression Technique: A Study

S. S. Razali, N. M. Z. Hashim, S. Z. Yahya, K. A. A. Aziz, A. Salleh, N. R. Mohamad
2014 International Journal of Science and Engineering Applications  
The main objective of video compression is to achieve video compression with less possible losses to reduce the transmission bandwidth and storage memory.  ...  Video compression methods such as frame difference approach, PCA based method, accordion function, fuzzy concept, and EZW and FSBM were analyzed in this paper.  ...  Frame different approach Video compression used algorithm based on frame of video.  ... 
doi:10.7753/ijsea0305.1005 fatcat:o27oyqeezvhnve5aaxfcpzzv2e

Coding of Video Sequences Using Three Step Search Algorithm

S.M. Kulkarni, D.S. Bormane, S.L. Nalbalwar
2015 Procedia Computer Science  
In this paper three step search (TSS) block matching algorithm is implemented on different types of video sequences.  ...  Thus there is need for video compression. As the database of medical images contain number of frames (slices), hence while coding of these images there is need of motion estimation.  ...  The matching of one macro block with another is based on the output of a cost function [15] . that is, cost function decides matching criteria.  ... 
doi:10.1016/j.procs.2015.04.225 fatcat:xrm3mj3pb5ds5cjbb53w3pjzse

DVC: An End-To-End Deep Video Compression Framework

Guo Lu, Wanli Ouyang, Dong Xu, Xiaoyun Zhang, Chunlei Cai, Zhiyong Gao
2019 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)  
Experimental results show that the proposed approach can outperform the widely used video coding standard H.264 in terms of PSNR and be even on par with the latest standard H.265 in terms of MS-SSIM.  ...  quality of the decoded video.  ...  Generally, the video compression encoder generates the bitstream based on the input current frames. And the decoder reconstructs the video frames based on the received bitstreams.  ... 
doi:10.1109/cvpr.2019.01126 dblp:conf/cvpr/LuO0ZCG19 fatcat:aohl2pv2b5g5fl7cj7j3lrpbxy

The Effect of Depth Compression on Multiview Rendering Quality

P. Merkle, Y. Morvan, A. Smolic, D. Farin, K. Muller, P.H.N. de With, T. Wiegand
2008 2008 3DTV Conference: The True Vision - Capture, Transmission and Display of 3D Video  
ABSTRACT This paper presents a comparative study on different techniques for depth-image compression and its implications on the quality of multiview video plus depth virtual view rendering.  ...  Therefore it is important to evaluate the influence of depth-image coding artifacts on the quality of rendered virtual views.  ...  In the context of MVV this format is combined with multiview video to the multiview video + depth (MVD) format, consisting of multiple color videos with associated multiple depth data of one scene.  ... 
doi:10.1109/3dtv.2008.4547854 fatcat:eltpni2ktzfxtn3uvlhc3pg3mu

Inpainting-based Video Compression in FullHD [article]

Sarah Andris, Pascal Peter, Rahul Mohideen Kaja Mohideen, Joachim Weickert, Sebastian Hoffmann
2021 arXiv   pre-print
For the first time in inpainting-based video compression, we can decompress FullHD (1080p) videos in real-time with a fully CPU-based implementation, outperforming previous approaches by roughly one order  ...  As a remedy, we propose a highly efficient, real-time capable prediction and correction approach that fully relies on partial differential equations (PDEs) in all steps of the codec: Dense variational  ...  They are based on hybrid video coding which combines a prediction and a correction step where prediction depends on the frame type. Intra frames rely solely on information from within themselves.  ... 
arXiv:2008.10273v3 fatcat:5ilqwsyghjal5n5mtcgfxlh67u

Foveated ROI Compression with Hierarchical Trees for Real-Time Video Transmission [chapter]

J. C. Galan-Hernandez, V. Alarcon-Aquino, O. Starostenko, J. M. Ramirez-Cortes
2011 Lecture Notes in Computer Science  
Region of interest (ROI) based compression can be applied to real-time video transmission in medical or surveillance applications where certain areas are needed to retain better quality than the rest of  ...  In this paper, a fovea-ROI compression approach is proposed based on the Set Partitioning In Hierarchical Tree (SPIHT) algorithm.  ...  The authors gratefully acknowledge the financial support from the National Council of Science and Technology and the Puebla State Government, under the contract no. 109417.  ... 
doi:10.1007/978-3-642-21587-2_26 fatcat:hj3hlamq5na7bj2kvikcrvquay

DVC: An End-to-end Deep Video Compression Framework [article]

Guo Lu, Wanli Ouyang, Dong Xu, Xiaoyun Zhang, Chunlei Cai, Zhiyong Gao
2019 arXiv   pre-print
Experimental results show that the proposed approach can outperform the widely used video coding standard H.264 in terms of PSNR and be even on par with the latest standard H.265 in terms of MS-SSIM.  ...  quality of the decoded video.  ...  Generally, the video compression encoder generates the bitstream based on the input current frames. And the decoder reconstructs the video frames based on the received bitstreams.  ... 
arXiv:1812.00101v3 fatcat:3cderghf5zb3nanwfeka3xs2ei

A Novel Framework for Remote Photoplethysmography Pulse Extraction on Compressed Videos

Changchen Zhao, Chun-Liang Lin, Weihai Chen, Zhengguo Li
2018 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)  
Based on the analysis of the impact of various compression methods on rPPG measurements, the problem is cast as single-channel signal separation.  ...  The results show that the proposed algorithm significantly improves the SNR and heart rate precision of state-of-the-art rPPG algorithms on stationary videos and has a positive effect on motion videos  ...  Acknowledgement This research was sponsored by National Natural Science Foundation of China under Grand No. 61620106012, 61573048, 61603020, 61773042.  ... 
doi:10.1109/cvprw.2018.00177 dblp:conf/cvpr/ZhaoLCL18 fatcat:btat42ao3jhbdm2vcjm7v7eata

Learned Video Compression [article]

Oren Rippel, Sanjay Nair, Carissa Lew, Steve Branson, Alexander G. Anderson, Lubomir Bourdev
2018 arXiv   pre-print
We evaluate our approach on standard video compression test sets of varying resolutions, and benchmark against all mainstream commercial codecs, in the low-latency mode.  ...  To our knowledge, this is the first ML-based method to do so.  ...  We are grateful to Trevor Darrell, Sven Strohband, Michael Gelbart, Albert Azout, Bruno Olshausen and Vinod Khosla for meaningful discussions and input along the way.  ... 
arXiv:1811.06981v1 fatcat:wgyznvwdcfcbjib4iqmje2yvau

Deep Quality Assessment of Compressed Videos: A Subjective and Objective Study [article]

Liqun Lin, Zheng Wang, Jiachen He, Weiling Chen, Yiwen Xu, Tiesong Zhao
2022 arXiv   pre-print
In the video coding process, the perceived quality of a compressed video is evaluated by full-reference quality evaluation metrics.  ...  To solve this problem, it is critical to design no-reference compressed video quality assessment algorithms, which assists in measuring the quality of experience on the server side and resource allocation  ...  The authors are with the Fujian Key Lab for Intelligent Processing and Wireless Transmission of Media Information, College of Physics and Information Engineering, Fuzhou University, Fuzhou, Fujian 350116  ... 
arXiv:2205.03630v1 fatcat:rps5irh4hze4bip3t5bqmyo4r4

An Efficient Block Matching Algorithm for Fast Motion Estimation Using New Three Step Search and Tabu Search Algorithm

Savita Malik, Vijay Nehra
2017 International Journal of Scientific Research and Management  
In this paper, we compare the two most commonly used search algorithms, New Three step and Tabu Search for motion estimation and decide which one is better for a given type of video sequence.  ...  Over the last couple of decades, video processing and coding has grown exponentially. The processing power of the computers available has grown in almost equal proportions.  ...  The idea behind video compression based on motion estimation which is used to save number of bits required for encoding the video.  ... 
doi:10.18535/ijsrm/v5i7.58 fatcat:fmpee4we45bzldklbngs6rp2yi

Color Correction Preprocessing for Multiview Video Coding

C. Doutre, P. Nasiopoulos
2009 IEEE transactions on circuits and systems for video technology (Print)  
In this letter, a method is proposed for correcting the color of multiview video sets as a preprocessing step to compression.  ...  Unlike previous work, where one of the captured views is used as the color reference, we correct all views to match the average color of the set of views.  ...  The last step must be performed on every frame in the video set, so its computational complexity depends on the temporal length of the video.  ... 
doi:10.1109/tcsvt.2009.2022780 fatcat:4wkqpqu4xncnhpj6unu3eicjoe

Framework For Lossless Data Compression Using Python

Manas Malik
2019 International Journal Of Engineering And Computer Science  
kinds of transformations on video files, including video compression, which is the most commonly requested feature of ffmpeg.  ...  to do including the audio, video and subtitles of the file.  ...  In UNIX system we make use of gzip file format/tool, it is based on DEFLATE.  ... 
doi:10.18535/ijecs/v8i03.4296 fatcat:snevxzcj3zbvxmni5lyb6yqsye

A Review on Block Matching Motion Estimation and Automata Theory based Approaches for Fractal Coding

Shailesh Kamble, Nileshsingh Thakur, Preeti Bajaj
2016 International Journal of Interactive Multimedia and Artificial Intelligence  
Fractal compression is the lossy compression technique in the field of gray/color image and video compression.  ...  This paper is useful for the beginners in the domain of video compression.  ...  Fractal image compression based on the theory of iterated function system (IFS) with probabilities is explained in [31] .  ... 
doi:10.9781/ijimai.2016.4214 fatcat:q3cigv5kbjf5xaylzg3bme54ce
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