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

共 143 条记录，以下是51-60 订阅

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Perceptual Attribute Analysis of Objective acoustic Parameters of Musical Instrument Timbre

Perceptual Attribute Analysis of Objective Acoustic Paramete...

引用

2021 International Conference on Culture-Oriented Science and technology, ICCST 2021

作者： Liu, Jingyu Chen, Yuqu Ran, Can Huang, Yongzhan Jiang, Wei Ministry of Culture and Tourism Communication University of China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Beijing China Communication University of China School of Information and Communication Engineering Beijing China

ISBN: (纸本)9781665442541

The timbre attributes are affected by multiple factors such as the time domain, frequency domain, time-frequency domain, and harmonic structure of the sound signal, and there is a certain degree of correlation and redundancy among the objective acoustic parameters. Analyzing the perception of the objective acoustic parameters of the timbre Attributes is of great significance to the study of timbre perception. In order to achieve the above goals, this paper constructs a timbre database of Chinese and Western musical monophonic instruments, and extracts 45 timbre objective acoustic parameters based on this database. through factor analysis of these acoustic parameters, it shows that the Information of 45 timbre objective acoustic parameters can be condensed into 6 factors, and each factor has a clear timbre perception attribute. Based on this result, we use the multi-dimensional scale analysis method to verify the six factors, and the verification results are basically consistent with the factor analysis results. The 6 factors constructed can explain the time-frequency domain distribution, structure and energy distribution of acoustic parameters, and provide a theoretical basis for constructing an interpretable model based on audio objective acoustic parameters. © 2021 IEEE.

关键词： Multivariant analysis

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Research on visual Cognitive Model Modeling based on Design Psychology

Research on Visual Cognitive Model Modeling based on Design ...

引用

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

作者： Hua, Tianyu Wang, Shuang Liu, Jingyu Jiang, Jian State Key Laboratory of Media Convergence and Communication Communication University of China China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism China China China Digital Culture Group Co. Ltd China

ISBN: (数字)9781665462488

ISBN: (纸本)9781665462488

This article is based on the theoretical achievements of design psychology, takes graphic poster design as the research object, and combines experimental psychology methods with information processing technology to construct a visual cognitive model that can serve art design. This article firstly starts from the laws of formal beauty in design psychology, and screens the formal beauty features of posters. Secondly, a subjective evaluation experiment for the formal beauty characteristics of the poster materials was conducted, and correlation analysis and factor analysis on the processed experimental data were completed. Finally, this article uses a variety of machine learning algorithms to construct a visual cognitive prediction model. This article summarizes seven low-level and four high-level feature descriptors of the beauty of poster form, and constructs a prediction model from low-level features to high-level features. In addition, this article also quantifies the 'Balance' feature which has the highest word frequency in the low-level features, realizing the calculation of the balance degree of the poster image. © 2022 IEEE.

关键词： Machine learning

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A Study of Color-emotion Image Set Construction and Feature Analysis

A Study of Color-emotion Image Set Construction and Feature ...

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International Conference on Computer and Information Science (ACIS)

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

This paper mainly studies the method of feature extraction of image set, and makes an in-depth analysis between objective features and subjective features. Firstly, a color-emotion image set was constructed with the presentation of an image set construction scheme facing to the research of audiovisual fusion information processing. Secondly, this paper improved the color dominate extraction algorithm and the membership function of cool-warm attribute to acquire the better corresponding to human visual perception. Thirdly, a subjective evaluation experiment was introduced to extract subjective features. Finally, on the basic of feature extraction, this paper makes an in-depth analysis with these features, which has some interesting findings.

关键词： Color Feature extraction Image color analysis Standards visualization Clustering algorithms Reliability

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The Association Between Timbre of Musical Sound and Texture

The Association Between Timbre of Musical Sound and Texture

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International Conference on Computer and Information Science (ACIS)

作者： Wei Jiang Xiaoyi Zhang Jingyu Liu Key Laboratory of Acoustic Visual Technology and Intelligent Control System (Communication University of China)

This paper mainly studies the association between the timbre of music and the texture of images, and constructs the mathematical model of the association. Firstly, extract texture features, and system clustering and multidimensional scaling are carried out on the images in Brodatz texture database to select 18 texture images to be used for subjective evaluation experiment. Through the subjective evaluation experiment, the data of the timbre perceptual features and the matching relationship between timbre and texture are obtained. Based on this data, the Pearson correlation coefficient about matching (or mismatching) timbre-texture feature pairs is calculated respectively, the absolute value of the correlation coefficient peaked at 0.752, which verifies the strong association between them. Logistic, random forest and BP neural network are used to predict the matching relationship between texture and timbre, and prediction models with high accuracy were obtained. The precision of BP neural network reached 70%, which can better predict the matching relationship between texture and timbre.

关键词： Timbre Feature extraction Instruments Correlation coefficient Correlation Image color analysis

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Research on Hybrid Path Planning Algorithm Based on Anti-Collision

Research on Hybrid Path Planning Algorithm Based on Anti-Col...

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2023 International Conference on Culture-Oriented Science and technology, CoST 2023

作者： Ren, Penghao Li, Mengnan Su, Zhibin Beijing Radio & Television Station Beijing100022 China Communication University of China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism China Communication University of China Beijing Key Laboratory of Modern Entertainment Technology Beijing100024 China

ISBN: (纸本)9798350357998

In order to solve the problem of fast switching of special equipment in the cultural complex, the improved Moth-Flame Optimization algorithm (MFO) is combined with the improved Dynamic Window Approach (DWA) to realize the hybrid path planning of handling robots in different scenarios of cultural complexes in this paper. Specifically, the traditional Moth-Flame Optimization algorithm is improved and applied to the global path planning problem. On the basis of the planned global path, the intersection of dynamic obstacles with the global path is detected, and the improved Dynamic Window Approach is used for local obstacle avoidance in the section with collision risk, finally, the hybrid path planning in the complex environment of the cultural complex is realized. The simulation experimental results prove the effectiveness of the proposed algorithm. © 2023 IEEE.

关键词： Motion planning

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Subjective Evaluation of The Correlation of Pop Music Emotion and Lighting Color 12

Subjective Evaluation of The Correlation of Pop Music Emotio...

引用

12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2019

作者： Jiang, Yujian Zhao, Jiawei Key Laboratory of Acoustic Visual Technology and Intelligent Control System Communication University of China Ministry of Culture and Tourism China Beijing Key Laboratory of Modern Entertainment Technology Communication University of China China School of Information and Communication Engineering Communication University of China Beijing China

ISBN: (纸本)9781728148526

Through a music emotion labeling experiment and the music-light color correlation experiment, the relationship between sadness, soothing, excitement, heroic and happiness five kinds of music emotions and light color is discussed from the perspective of the audience. The experimental results show that the five music emotions have a significant influence on the light color. The mapping relationship between the five music emotions and the light color obtained from the experimental data can provide reference suggestions for the lighting designer to select the light color that matches the musical emotion, thereby further improving the audiovisual experience. © 2019 IEEE.

关键词： Color

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

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

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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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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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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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