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A reversibility-gain model for integer Karhunen-Loève transform design in video coding

Xing-guo ZHU,Lu YU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10, Pages 883-891 doi: 10.1631/FITEE.1500071

Abstract: In this paper, a joint reversibility-gain (R-G) model is proposed for integer-KLT design in video codingThe ‘gain’ means transform coding gain (TCG), which is a widely used criterion for transform design invideo coding.maximizes the TCG under some assumptions, here we define the TCG loss ratio (LR) to measure how much coding

Keywords： Integer transform Karhunen-Loè ve transform (KLT) Integer-KLT Transform coding Video coding

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Long-term prediction for hierarchical-B-picture-based coding of video with repeated shots None

Xu-guang ZUO, Lu YU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 3, Pages 459-470 doi: 10.1631/FITEE.1601552

Abstract: The latest video coding standard High Efficiency Video Coding (HEVC) can achieve much higher coding efficiencythan previous video coding standards.The long-term reference (LTR) frames of a source video are chosen by clustering similar shots and extractingAn adaptive quantization method is further designed for LTR frames to improve the overall video codingExperimental results show that up to 22.86% coding gain can be achieved using the new coding scheme.

Keywords： High Efficiency Video Coding (HEVC) Long-term temporal correlation Long-term prediction Hierarchical

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Avideo conferencing system based on SDN-enabled SVCmulticast Project supported by the National Natural Science Foundation of China (Nos. 61573329 and 61233003), the Youth Innovation Promotion Association CAS, and the Fundamental Research Funds for the Central Universities, China Article

En-zhong YANG,Lin-kai ZHANG,Zhen YAO,Jian YANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 7, Pages 672-681 doi: 10.1631/FITEE.1601087

Abstract: Current typical video conferencing connection is bridged by a multipoint control unit (MCU), which mayAdditionally, a video encoding method called scalable video coding (SVC) can also help.In this paper, we propose a video conferencing architecture based on SDN-enabled SVC multicasting, whichThe SDN controller is responsible for dynamically managing and controlling the layers of a video streamExperimental results show that our system can not only provide a flexible and controllable video delivery

Keywords： Software-defined networking (SDN) Multicast Scalable video coding Video conferencing system

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Lobectomy by video-assisted thoracoscopic surgery (VATS) for early stage of non-small cell lung cancer

Min ZHU, Xiang-Ning FU, Xiao-Ping CHEN

Frontiers of Medicine 2011, Volume 5, Issue 1, Pages 53-60 doi: 10.1007/s11684-011-0121-2

Abstract:

Video-assisted thoracoscopic surgery (VATS) provides a new approach for treating early-stage lung

Keywords： non-small cell lung cancer video-assisted thoracoscopic surgery lobectomy

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Image analyses for video-based remote structure vibration monitoring system

Yang YANG,Xiong (Bill) YU

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 12-21 doi: 10.1007/s11709-016-0313-6

Abstract: Video-based vibration measurement is a cost-effective way for remote monitoring the health conditionsBesides, video-based system is global measurement.The technical basis of video-based remote vibration measurement system is digital image analysis.further refinement of system hardware and image processing software, it will be developed into a remote video

Keywords： structure health monitoring velocity estimation frame difference PIV optical-flow method

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Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Strategic Study of CAE 2000, Volume 2, Issue 3, Pages 18-22

Abstract: Traditional video representation is just a time sequence——video stream, thus it is difficultfor computer to recognize or perceive video in the content level.To efficiently access and utilize video information, a suitable organization of video data is criticalThis paper proposes a video organization scheme, which arranges video into four layers： video programfor non-linear browsing and content-based retrieval of video data.

Keywords： video organization browsing shot episode key frame representative frame

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Research and implementation of flexible coding system oriented multi-view

ZHANG Xuhui, ZHANG Xu, NING Ruxin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4, Pages 448-452 doi: 10.1007/s11465-007-0077-8

Abstract: On the basis of the requirements of a product data management system (PDM) for the flexible coding system, the principle of the flexible coding system oriented multi-view is analyzed.Generation and utilization of coding should be associated with the context of the object.rules and drive the automatic generation of object coding in different views (contexts).and elaborate the flexible coding process of the system.

Keywords： foundation different management utilization Generation

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A New Algorithm of Fractal Image Coding

Wang Xiuni,Jiang Wei,Wang Licun

Strategic Study of CAE 2006, Volume 8, Issue 1, Pages 54-57

Abstract:

Because it takes too much of time in fractal image coding, the paper analyses the factors that affectthe speed of fractal image coding , and proposes a novel idea by using the reformed variance (tentatively

Keywords： fractal coding image compression variance

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Certificateless broadcast multi-signature for network coding Research Article

Huifang YU, Zhewei QI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 9, Pages 1369-1377 doi: 10.1631/FITEE.2200271

Abstract: can save wireless network resources and is very fast in comparison with traditional routing. In real application scenarios, is vulnerable to pollution attacks and forgery attacks. To solve these problems, the certificateless broadcast multi-signature for (NC-CLBMS) method is devised, where each source node user generates a multi-signature about the message vector, and the intermediate node linearly combines the received data. NC-CLBMS is a multi-source multi-signature method with anti-pollution and anti-forgery advantages; moreover, it has a fixed signature length and its computation efficiency is very high. NC-CLBMS has extensive application prospects in unmanned aerial vehicle (UAV) communication networks, fifth-generation wireless networks, wireless sensor networks, mobile wireless networks, and Internet of Vehicles.

Keywords： Network coding Certificateless multi-signature Linear combination Homomorphic hash function

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Shot classification and replay detection for sports video summarization Research Article

Ali JAVED, Amen ALI KHAN,ali.javed@uettaxila.edu.pk

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 5, Pages 790-800 doi: 10.1631/FITEE.2000414

Abstract: Accurate is mandatory to better structure the input video for further processing, i.e., key events orFor this purpose, we propose local octa-pattern features to represent video frames and train the for

Keywords： Lightweight convolutional neural network Local octa-patterns Shot classification Replay detection Video

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Global transcriptome analysis for identification of interactions between coding and noncoding RNAs during

Nan Ding,Jiafei Xi,Yanming Li,Xiaoyan Xie,Jian Shi,Zhaojun Zhang,Yanhua Li,Fang Fang,Sihan Wang,Wen Yue,Xuetao Pei,Xiangdong Fang

Frontiers of Medicine 2016, Volume 10, Issue 3, Pages 297-310 doi: 10.1007/s11684-016-0452-0

Abstract:

Studies on coding genes, miRNAs, and lncRNAs during erythroid development have been performed in recentIn the present study, we compared the dynamics of coding genes, miRNA, and lncRNA expression profiles

Keywords： erythroid differentiation hematopoietic stem cell RNA-seq miRNA lncRNA

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High-resolution spectral video acquisition Review

Lin-sen CHEN, Tao YUE, Xun CAO, Zhan MA, David J. BRADY

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9, Pages 1250-1260 doi: 10.1631/FITEE.1700098

Abstract: with the rapid development in computational photographytheory and semiconductor techniques, spectral video

Keywords： Multispectral/hyperspectral video acquisition Snapshot Under-sampling and reconstruction

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Vector quantization: a review Regular Papers

Ze-bin WU, Jun-qing YU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4, Pages 507-524 doi: 10.1631/FITEE.1700833

Abstract:

Vector quantization (VQ) is a very effective way to save bandwidth and storage for speech coding andimage coding.

Keywords： Approximate nearest neighbor search Image coding Vector quantization

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Suboptimal network coding subgraph algorithms for 5G minimum-cost multicast networks None

Feng WEI, Wei-xia ZOU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 5, Pages 662-673 doi: 10.1631/FITEE.1700020

Abstract: multicast networks that have separate control and data planes, we focus on the minimum-power-cost network-coding

Keywords： Network coding subgraph Minimum power cost 5G Separation architecture

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Design of Real-time Video Processing System Based onMultimedia Processor TMS320DM642

Zhao Zhen,Zhang Weining,Tian Honglei

Strategic Study of CAE 2007, Volume 9, Issue 3, Pages 87-91

Abstract:

A real-time video processing system based on multimedia processor TMS320DM642 The function and working mode of video decoder TVP5150, encoder SAA7121and video port DM642 are

Keywords： TMS320DM642 TVP5150 SAA7121 video port