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检索条件"机构=Key Laboratory of Acoustic Visual Technology and Intelligent Control"

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A Study of visual Comfort for Disparity Gradient of S3D Image with Multiple Salient Objects 4

A Study of Visual Comfort for Disparity Gradient of S3D Imag...

引用

4th IEEE Advanced Information technology, Electronic and Automation control Conference, IAEAC 2019

作者： Su, Zhibin Liu, Yuanzi Li, Weiwei Wei, Lin Ren, Hui Communication University of China School of Information and Communication Engineering China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism China CITVC KEHUA CO. LTD. Technology Service Branch Beijing China

ISBN: (纸本)9781728119076

This paper had investigated the perception of visual comfort for the disparity gradient of stereoscopic 3D(S3D) image though subjective evaluation experiments. For the extraction of gradient features, the calculation of absolute disparity and relative disparity were all considered. The experiment result shown that the relative disparity gradient mainly affects the visual comfort under the circumstance of positive disparity, while the absolute disparity gradient would affect the viewing experience with negative disparity. As a whole, the higher both the disparity gradient was, the lower the rating score was. The research achievement is of practical value, which can not only provide importance experimental support for the visual perception mechanism, but also offer the valid basis for feature extraction of stereoscopic images. © 2019 IEEE.

关键词： Extraction

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A Study of visual Attention Elements with Experiment Analysis Based on Composition

A Study of Visual Attention Elements with Experiment Analysi...

引用

International Conference on Computer and Information Science (ACIS)

作者： Wei Jiang Yanan Su Shuang Wang Key Laboratory of Acoustic Visual Technology and Intelligent Control System Communication University of China Beijing China

The elements in the image that can attract people's visual attention are visual attention elements. Composition is a kind of visual perception feature in the study of audio-visual fusion information processing. The balance of composition depends on the distribution of visual attention elements in the image. Aiming at the problems of poor pertinence of existing visual attention models, unsystematic classification, unscientific selection of visual attention elements and insufficient consideration of human visual perception, this paper proposes a method of visual attention elements screening based on composition. Firstly, a material library based on composition is constructed, and PAD and harmony are marked. Then, a subjective assessment experiment is designed to screen out visual attention elements based on human perception. Finally, the experimental data were analyzed, the elements of visual attention based on composition were screened out, classified and summarized.

关键词： visualization Libraries Feature extraction Art TV Standards visual perception

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Study on Subjective Perception of S3D Image with Regular-texture

Study on Subjective Perception of S3D Image with Regular-tex...

引用

IEEE Joint International Information technology and Artificial Intelligence Conference (ITAIC)

作者： Zhibin Su Bing Liu Weiwei Li Hui Ren Rui Huang School of Information and Communication Engineering Communication University of China Beijing China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism Beijing China CITVC KEHUA CO. LTD. Technology Service Branch Beijing China

ISBN: (数字)9781728152448

ISBN: (纸本)9781728152455

With the rapid development of binocular stereo vision technology, S3D images and videos have been widely used in many aspects. However, there are few researches on the detail perception of comfortable experience and stereo sense based on image content with certain disparity. Considering that texture is an important visual information contained in an image, in this paper, we designed the computer-generated S3D images containing two kinds of parallax based on three types of texture distribution and six regular textures for subjective evaluation. The influence of texture features on visual comfort, depth perception and the region of interest were studied through the related data analysis. For comparison with the content of disparities, the 2D images with same texture were designed and rated for assessment. Experimental results have shown that the texture was an important factor affecting the comfort perception. However, only when the subject and the background had texture at the same time, the texture was an important factor affecting the depth perception. The different texture distribution between the main subject and background would cause the change of area of interest and evaluation result. Overall, the larger the area of the texture, the lower the comfort evaluation results, and the higher the depth perception. Our studies will not only confirm the law of perception on S3D images with certain features, but also provide the guide for multidimensional content production and display, which have practical value for the development of S3D image and video technology.

关键词： Wavelet transforms visualization Data analysis Three-dimensional displays Two dimensional displays Feature extraction Videos

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A Fast Device Transfer Technique in Small-sized Cultural Complex: An Overview

A Fast Device Transfer Technique in Small-sized Cultural Com...

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International Conference on Computer and Information Science (ACIS)

作者： Xiaochen Shen Hui Ren Key Laboratory of Acoustic Visual Technology and Intelligent Control System (Communication University of China) Ministry of Culture and Tourism

This paper explores the key technologies for fast conversion in small-sized cultural complex. For the complexity and uncertainty of the building space, a flexible methodology of multi-AGV collaborative operation is introduced to transfer the functional equipment. It is supposed to be disassembled and reconstructed in different environments. In order to solve the scheduling problem of multi-task AGV system joint operations in this complex working environment, this paper proposes three branches; AGV path planning study, multi-task scheduling study, and conflict avoidance study in collaborative work. For those three research fields, this paper explores its related constraints and establish a research framework for fast device transfer technology within the multi-functional small-sized cultural complex. This work will lay the technical foundation for fast conversion of functional equipment.

关键词： Cultural differences Path planning Task analysis Optimization Classification algorithms Switches Dynamic scheduling

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Composition Harmony Assessment Method Based on Rule of Thirds

Composition Harmony Assessment Method Based on Rule of Third...

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Culture-oriented Science & technology (ICCST), International Conference on

作者： Aixia Tang Wei Jiang Jingjing Zhang Shuang Wang Yanting Gao School of Information and Communication Engineering Communication University of China Beijing China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Communication University of China Ministry of Culture and Tourism Beijing Key Laboratory of Modern Entertainment Technology Communication University of China School of Computer Science and Cybersecurity Communication University of China Beijing China

ISBN: (数字)9781728181387

ISBN: (纸本)9781728181394

Composition harmony mainly refers to the various components of the image that are sensed together as a harmonious and unified organism, it plays a key role in the assessment of image aesthetic quality. In this paper, a composition harmony assessment method based on the rule of thirds was proposed. The eye-tracking dataset was used to extract the saliency regions of the image and the composition harmony assessment method was designed by computing how close the centroid of the largest saliency region and the rule of thirds. Moreover, the effectiveness of the assessment method was analyzed by the subjective evaluation experiment results of the composition harmony. The experimental results showed that the composition harmony assessment method proposed in this paper is effective.

关键词： 6G mobile communication Artificial intelligence

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Research on Color Harmony Evaluation Method based on Color Complexity Measure

Research on Color Harmony Evaluation Method based on Color C...

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Culture-oriented Science & technology (ICCST), International Conference on

作者： Yanting Gao Jingjing Zhang Shuang Wang Yuncong Peng Aixia Tang School of Information and Communication Engineering Communication University of China Beijing China Ministry of Culture and Tourism Key Laboratory of Acoustic Visual Technology and Intelligent Control System (Communication University of China) Beijing Key Laboratory of Modern Entertainment Technology (Communication University of China) School of Computer Science and Cybersecurity Communication University of China Beijing China

ISBN: (数字)9781728181387

ISBN: (纸本)9781728181394

Color harmony is an important factor affecting the aesthetic feeling of images and plays an important role in visual perception. It can evaluate the feasibility of images by constructing the computational model of human aesthetic thinking. In this paper, a color harmony evaluation method based on color complexity was implemented. Given the classical color harmony model which is suitable for the simple color combination but not suitable for the complex image, and the local feature redundancy caused by grid sampling, an adaptive sampling based on CCM(color complexity measure) was implemented. Then, K-means was adopted to extract local color harmony features. Finally, a model was constructed between local color harmony features and the overall color harmony by SVM. The results show that the method implemented in this paper can represent the color harmony of complex images accurately and effectively.

关键词： Image color analysis Support vector machines Feature extraction visual perception Wheels Computational modeling Complexity theory

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Research on Communication Method of OPC UA Client Based on ARM

Research on Communication Method of OPC UA Client Based on A...

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International Conference on Computer and Information Science (ACIS)

作者： Hui Ren Yang Liu Huiqin Wang Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture Communication University of China Beijing China

The OPC UA standard overcomes many disadvantages of the traditional OPC, and has significant advantages in platform independence, communication security and model construction, thus completing the information exchange under different platforms and interfaces. At present, the automation system equipment has the problems of complex protocols and interfaces and poor portability of industrial computer. To solve this problem, this paper develops the ARM embedded OPC UA client to complete the data communication with the automation system device server by porting the open62541 open source library on the ARM embedded device equipped with the FreeRTOS system. In this research, by building the OPC UA client on the embedded system, the connection and communication with the server are realized, which is also cheap and flexible to use. Experiments show that the system can be used in equipment debugging, field operation and emergency control, and has a wide range of application prospects and practical value.

关键词： Servers Task analysis Standards Software Security Ethernet Hardware

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Effect of Colored Content on Depth Perception of S3D Images

Effect of Colored Content on Depth Perception of S3D Images

引用

International Conference on Computer and Information Science (ACIS)

作者： Zhi-bin Su Ya-nan Su Yi-han Suo Hui Ren Ministry of Culture and Tourism Key Laboratory of Acoustic Visual Technology and Intelligent Control System(Communication University of China) Beijing China

This paper has mainly focused on the depth perception effects and the influence factor of hue for colored content of stereoscopic 3D (S3D) images. The subjective evaluation experiment was designed with different color combinations of foreground object and background. Through the data analysis, the hue of background was proved to be a significant indicator for certain colored foreground content with negative disparity. For most of the contents designed with positive disparity, the effect of background hue was not obvious. To get better effect of space sense, for all of the foreground colors with either positive or negative disparity, black can get the higher rating results than any other colors. Besides, appropriate color combination could bring idea stereo experience for observers. Our studies have practical significance and reference value to improve viewing experience and relative objective models for the S3D image and videos.

关键词： Image color analysis Three-dimensional displays Observers visualization Stereo image processing Videos Two dimensional displays

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A Method of Improved Automatic Light Tracing

A Method of Improved Automatic Light Tracing

引用

International Conference on Dependable Systems and Their Applications (DSA)

作者： Yujian Jiang Yanqiu Ren Kai Song Wei Jiang Key Laboratory of Acoustic Visual Technology andlntelligent Control System Ministry of Culture and Tourism (Communication University of China) Beijing China Beijing Key Laboratory of Modem Entertainment Technology (Communication University of China) Beijing China School of Information and Communication Engineering Communication University of China Beijing China

ISBN: (数字)9781728160573

ISBN: (纸本)9781728160580

At present Auto-Tracking technology attracted increasing attention in the field of stage lighting. Most of the existing automatic lighting tracing methods adopt indoor positioning technology to acquire the location parameters of the tracing object. Then the location parameters were converted into the control data of moving light for automatic tracing. The main problems are as follows: one is the positional errors of special light position such as front light and fixed-point light. The other is the miss tracking of moving targets. In this paper, according to the projection requirements of front light and fixed-point light, the existing tracing model is improved. The error between the spot and the actual position is analyzed. Test results show that the accuracy of the upper left and upper right directions is relatively high. The bigger the curvature amplitude is, the bigger the error is. At the same time, the test data provide theory evidence for the setting of the tracing light position and the design of the performance route.

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Emotion classification of film and television scene images for audiences

Emotion classification of film and television scene images f...

引用

2019 International Joint Conference on Information, Media, and Engineering, IJCIME 2019

作者： Su, Zhibin Qian, Yahong Ren, Hui Lv, Chaohui Zhang, Xiaoyi Li, Weiwei Key Laboratory of Acoustic Visual Technology and Intelligent Controla System Communication University of China Ministry of Culture and Tourism School of Information and Communication Engineering Communication University of China Beijing China CITVC KEHUA CO. LTD. Technology Service Branch Beijing China

ISBN: (纸本)9781728155869

The purpose of the research on emotion classification of film and television (TV) scene images is to hope that the computer can simulate the audience's emotional perception to judge positive or negative emotional trends of the image. In this paper, from the perspective of emotional semantics, a method of the emotion classification about the film and TV scene image is proposed. Firstly, the film and TV scene image dataset were established and assessed based on the subjective evaluation experiment. Then the theory of psychology and photographic art was used to extract image emotional features. Finally, particle swarm optimization (PSO)-support vector machine (SVM) algorithm based on feature importance dimension reduction was used for building the classifier. The experimental results show that the image dataset initially established in this paper can be helpful to the subsequent study on emotion classification of the film and TV scene image, and the accuracy of the positive and negative emotion classifier on this dataset is 0.87, which conforms to audience's emotional perception of the film and TV scene image. © 2019 IEEE.

关键词： Support vector machines

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