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EMG-based Interactive control Scheme for Stage Lighting

EMG-based Interactive Control Scheme for Stage Lighting

引用

2022 International Conference on Culture-Oriented Science and technology, CoST 2022

作者： Wang, Huiqin Li, Jiajun Ministry of Culture and Tourism Key Laboratory of Acoustic Visual Technology and Intelligent Contral System Beijing China Communication Univerity of China School of Information and Communication Engineering Beijing China

ISBN: (数字)9781665462488

ISBN: (纸本)9781665462488

Aiming at improving the low interactivity of conventional stage lighting control, a gesture-based interactive control scheme for stage lighting is proposed in this paper, which uses electromyogram (EMG) signals to recognize the performers' gestures and converts them into control signals to transform the stage lighting effects subsequently. Gesture recognition, it involves the acquisition, preprocessing, feature extraction, and classification of the EMG signal. Considering the real-time performance and accuracy among the common algorithms such as support vector machine (SVM), k-nearest neighbor (KNN), linear discriminant analysis (LDA), backpropagation (BP) neural network, KNN is adopted as the classification tool. The lighting effect between gestures and stage lights is designed and realized to ensure that stage lighting interactively transforms with gesture changes. The experiment results show the feasibility and convenience of the proposed control scheme. © 2022 IEEE.

关键词： Support vector machines

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Study on subjective perception of S3D image with regular-texture 9

Study on subjective perception of S3D image with regular-tex...

引用

9th IEEE Joint International Information technology and Artificial Intelligence Conference, ITAIC 2020

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

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. © 2020 IEEE.

关键词： Depth perception

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Research on Multimodal Algorithms for Multi-routes Planning Based on Niche Technique

Research on Multimodal Algorithms for Multi-routes Planning ...

引用

2020 International Conference on Culture-Oriented Science and technology, ICCST 2020

作者： Ren, Hui Shen, Xiaochen Jia, Xiaojun Communication University of China Ministry of Culture and Tourism Beijing Key Laboratory of Modern Entertainment Technology Communication University of China School of Information and Communication Engineering State Key Laboratory of Media Convergence of Communication Communication University of China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Beijing100024 China

ISBN: (纸本)9781728181387

Multiple routes strategy, classified as a typical multimodal optimization, is an effective method for AGV to tackle the real-world problem. This article majorly explores the traditional optimization algorithm and the evolutionary algorithm for the routes planning problem. Compared with the traditional path planning method, the evolutionary algorithm based on niche technique can successfully avoid the particle interference in the multimodal condition, thereby ensuring the solution diversity. However, various restrictions may be produced when the niche technique cooperates with the evolutionary algorithm. Hence, this paper summarizes some niche techniques with evolutionary algorithms to analyze their merits for solving the multimodal problem. Also, several benchmark functions are involved for further discussing the effectiveness of the niche technology on the multimodal problem and some improvements are conducted for the algorithm to achieve a more effective work. © 2020 IEEE.

关键词： Evolutionary algorithms

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Risk Assessment of Stage Machinery Based on Entropy Weight and Fuzzy Inference Method

Risk Assessment of Stage Machinery Based on Entropy Weight a...

引用

Culture-Oriented Science and technology (CoST), International Conference on

作者： Huiqin Wang Qingqing Yang Zhen Li Huiqi Wang Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism Beijing China

It is of great significance to find out the hidden hazards of the stage machinery in advance and formulate the corresponding protective measures to improve the safety of the stage performance. A comprehensive method that integrates entropy weights and the fuzzy inference is proposed. Firstly, the risk factors are identified through Failure Modes and Effects Analysis (FMEA) method, with the information obtained by field survey and research. Then, the entropy weight method and Fault Tree Analysis (FTA) methods are adopted to analyze the risk factors so as to obtain the probability of the hazardous events. Lastly, the risk level of different event is obtained by the fuzzy inference method. The simulation result proves that the model is reasonable, objective, and feasible.

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A Method of Improved Automatic Light Tracing 6

A Method of Improved Automatic Light Tracing

引用

6th International Conference on Dependable systems and Their Applications, DSA 2019

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

ISBN: (纸本)9781728160573

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. © 2020 IEEE.

关键词： Errors

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Human Reliability Analysis of Professional Theater Based on CREAM

Human Reliability Analysis of Professional Theater Based on ...

引用

Culture-Oriented Science and technology (CoST), International Conference on

作者： Huiqin Wang Huiqi Wang Hui Ren Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism Beijing China

ISBN: (数字)9798350380347

ISBN: (纸本)9798350380354

In the context of human/equipment interaction processes, human error has become a significant factor influencing performance risk in professional theaters. To address this issue, the Cognitive Reliability and Error Analysis Method (CREAM) is integrated with fuzzy inference to assess the human reliability of theater staff and predict the probability of human error (HEP). Additionally, Grey Relational Analysis (GRA) is introduced to determine the weights of Common Performance Conditions (CPCs) within CREAM. Through this methodological framework, human reliability analysis of theater operators is conducted, enabling the prediction of human error rates across various scenarios. Subsequently, corresponding measures are provided, culminating in an effective solution to enhance performance safety within theatrical environments.

关键词： Fuzzy logic Costs Error analysis Error probability Measurement uncertainty Safety management Lighting

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Multipath planning based on multimodal optimization slime mold algorithm

Multipath planning based on multimodal optimization slime mo...

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2024 International Conference on Culture-Oriented Science and technology, CoST 2024

作者： Gao, Luli Ren, Hui Communication University of China School of Information and Communication Engineering Bejing China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Communication University of China Ministry of Culture and Tourism Bejing China Beijing Key Laboratory of Modern Entertainment Technology Communication University of China Bejing China

ISBN: (纸本)9798350380347

Multipath planning aims to find multiple optimal paths simultaneously, and its essence is a multimodal optimization problem. In recent years, swarm intelligence (SI) optimization algorithms have provided effective solutions for multimodal optimization. In this paper, the multimodal optimization slime mold algorithm (MOSMA) based on master-slave structure and local search strategy (LS) is proposed to solve multipath planning problems in small cultural complex. Firstly, a local search strategy is introduced to eliminate the influence of the 'centerbias' operator and improve the quality of solutions. Secondly, the master-salves structure is introduced to preserve the diversity of the population and enable it to simultaneously locate multiple solutions. Finally, the performance of MOSMA is analyzed on several multimodal functions, and an example of path planning in a small cultural complex is given. © 2024 IEEE.

关键词： Optimization algorithms

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Research on Mural Restoration Method Based on Generative Multi-column Transformer 5

Research on Mural Restoration Method Based on Generative Mul...

引用

5th IEEE Advanced Information Management, Communicates, Electronic and Automation control Conference, IMCEC 2022

作者： Ren, Hui Zhao, Fanhua Li, Zhen Sun, Ke Gao, Shilin State Key Laboratory of Media Convergence and Communication Communication University of China China Ministry of Culture and Tourism Key Laboratory of Acoustic Visual Technology and Intelligent Control System China China Center for Ethnic and Folk Literature and Art Development Ministry of Culture and Tourism Beijing China

ISBN: (纸本)9781665479677

Ancient mural are splendid artistic treasures of ancient civilizations, but their blurring and destruction are becoming more and more serious due to the effects of time and environment. In this paper, a Generative Multi-column Transformer method is proposed to recover the missing areas of mural. The method synthesizes different image components in a parallel manner by transformer and enhances local details by employing implicit diversified Markov random fields regularization. Generative Multi-column Transformer is used in combination with reconstruction and Markov random field loss methods to propagate local and global information from the background to the target defaced region to reconstruct the loss in that part. The experimental results show that the method based on Generative Multi-column Transformer adopted in this paper is able to restore mural images with complex textures and missing areas very well, while the peak signal-to-noise ratio (PSNR) and structural similarity index (SSIM) of the method are improved, this paper provides theoretical guidance for the digital restoration of murals. © 2022 IEEE.

关键词： Restoration

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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...

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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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