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Avideo conferencing system based on SDN-enabled SVCmulticast Project supported by the National 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 mayWith the development of network technology, a video conferencing system can be implemented based on software-definedIn this paper, we propose a video conferencing architecture based on SDN-enabled SVC multicasting, whichExperimental results show that our system can not only provide a flexible and controllable video delivery, but also reduce the network usage while guaranteeing the quality of service (QoS) of video conferencing

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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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 coding‘gain’ means transform coding gain (TCG), which is a widely used criterion for transform design in video

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

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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.This paper presents system and analyses to monitor the vibration velocity and displacement field.remote video based monitoring system for structural health monitoring of transportation infrastructure

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 program, and integrates these techniques into a prototype system.

Keywords： video     organization     browsing     shot     episode     key frame     representative frame    

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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 areAt last, the software design and the characteristic of the system are analyzed.

Keywords： TMS320DM642     TVP5150     SAA7121     video port    

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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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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.long-term prediction (LTP) scheme to use the long-term temporal correlation between correlated shots in a videoThe 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 coding

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

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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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A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud sequence

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: To speed up the reconstruction of 3D dynamic scenes in an ordinary hardware platform, we propose an efficient framework to reconstruct 3D dynamic objects using a multiscale-contour-based interpolation from multi-view videos. Our framework takes full advantage of spatio-temporal-contour consistency. It exploits the property to interpolate single contours, two neighboring contours which belong to the same model, and two contours which belong to the same view at different times, corresponding to point-, contour-, and model-level interpolations, respectively. The framework formulates the interpolation of two models as point cloud transport rather than non-rigid surface deformation. Our framework speeds up the reconstruction of a dynamic scene while improving the accuracy of point-pairing which is used to perform the interpolation. We obtain a higher frame rate, spatio-temporal-coherence, and a quasi-dense point cloud sequence with color information. Experiments with real data were conducted to test the efficiency of the framework.

Keywords： Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour    

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High-Temperature Target Recognition Based on Spectral Radiation Information

Fan Xueliang,Cheng Xiaofang,Xu Jun

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 57-62

Abstract: image capture stage, using liquid crystal light valve to make a simple modification of the imaging system

Keywords： video image     object recognition     radiation information     liquid crystal light valve    

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A novel robotic visual perception framework for underwater operation Research Article

Yue LU, Xingyu CHEN, Zhengxing WU, Junzhi YU, Li WEN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1602-1619 doi: 10.1631/FITEE.2100366

Abstract:

Underwater robotic operation usually requires visual perception (e.g., object detection and tracking), but underwater scenes have poor visual quality and represent a special domain which can affect the accuracy of visual perception. In addition, detection continuity and stability are important for , but the commonly used static accuracy based evaluation (i.e., average precision) is insufficient to reflect detector performance across time. In response to these two problems, we present a design for a novel robotic visual perception framework. First, we generally investigate the relationship between a quality-diverse data domain and in detection performance. As a result, although domain quality has an ignorable effect on within-domain detection accuracy, is beneficial to detection in real sea scenarios by reducing the domain shift. Moreover, non-reference assessments are proposed for detection continuity and stability based on object tracklets. Further, online tracklet refinement is developed to improve the temporal performance of detectors. Finally, combined with , an accurate and stable underwater robotic visual perception framework is established. Small-overlap suppression is proposed to extend (VID) methods to a single-object tracking task, leading to the flexibility to switch between detection and tracking. Extensive experiments were conducted on the ImageNet VID dataset and real-world robotic tasks to verify the correctness of our analysis and the superiority of our proposed approaches. The codes are available at https://github.com/yrqs/VisPerception.

Keywords： Underwater operation     Robotic perception     Visual restoration     Video object detection    

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A Video Scan Format Conversation Algorithm Based onSpatio-temporal Weight and Edge Direction

Ding Yong,Lu Shengli,Shi Longxing

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 49-54

Abstract:

De-interlace is to convert interlaced images to progressive ones.  In this paper,  a de-interlacing algorithm based on spatio-temporal weight and edge direction is presented.  It consists of motion detection,  low-angle edge detection,  and spatio-temporal weight adaptive interpolation.  It uses total 4 fields information captured in field storage to detect the presence of motion.  And it detects low-angle edge by an adaptive searching radius in which the 6°edge is obtained.  The proposed method using spatio-temporal adaptive interpolation can obtain quite good display quality and satisfies real-time process of HDTV sequences.

Keywords： scan format conversation     motion estimation     edge detection     spatio-temporal adaptive interpolation     de-interlace    

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A Motion-Adaptive Algorithm for Video Scan Format Conversion and the Hardware Implementation

Zhang Guanglie,Zheng Nanning,Wu Yong,Zhang Xia

Strategic Study of CAE 2001, Volume 3, Issue 6,   Pages 41-47

Abstract:

Along with the development of digital processing TV and new-generation TV fully digitalized, video

Keywords： scan format conversion     motion adaptive deinterlacing     edge-preserved noise-reduced filter    

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Video summarization with a graph convolutional attention network Research Articles

Ping Li, Chao Tang, Xianghua Xu,patriclouis.lee@gmail.com

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 6,   Pages 902-913 doi: 10.1631/FITEE.2000429

Abstract: has established itself as a fundamental technique for generating compact and concise video, which alleviatesmanaging and browsing large-scale video data.Existing methods fail to fully consider the local and global relations among frames of video, leadingdilated temporal convolution to model local cues and temporal self-attention to exploit global cues for videoframes, on which the importance scores are evaluated for selecting representative frames to generate video

Keywords： 时序学习；自注意力机制；图卷积网络；上下文融合；视频摘要    

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Title Author Date Type Operation

Avideo conferencing system based on SDN-enabled SVCmulticast Project supported by the National

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

Journal Article

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

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

Journal Article

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

Xing-guo ZHU,Lu YU

Journal Article

Image analyses for video-based remote structure vibration monitoring system

Yang YANG,Xiong (Bill) YU

Journal Article

Scheme and Techniques for Hierarchical Oranization of Video

Zhang Yujin,Lu Haibin

Journal Article

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

Zhao Zhen,Zhang Weining,Tian Honglei

Journal Article

Shot classification and replay detection for sports video summarization

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

Journal Article

Long-term prediction for hierarchical-B-picture-based coding of video with repeated shots

Xu-guang ZUO, Lu YU

Journal Article

High-resolution spectral video acquisition

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

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud sequence

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

High-Temperature Target Recognition Based on Spectral Radiation Information

Fan Xueliang,Cheng Xiaofang,Xu Jun

Journal Article

A novel robotic visual perception framework for underwater operation

Yue LU, Xingyu CHEN, Zhengxing WU, Junzhi YU, Li WEN

Journal Article

A Video Scan Format Conversation Algorithm Based onSpatio-temporal Weight and Edge Direction

Ding Yong,Lu Shengli,Shi Longxing

Journal Article

A Motion-Adaptive Algorithm for Video Scan Format Conversion and the Hardware Implementation

Zhang Guanglie,Zheng Nanning,Wu Yong,Zhang Xia

Journal Article

Video summarization with a graph convolutional attention network

Ping Li, Chao Tang, Xianghua Xu,patriclouis.lee@gmail.com

Journal Article