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

作者： Wang, Huiqin Zhang, Chunxi Li, Zhen Xiao, Mengjiao Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism Beijing China Communication University of China School of Information and Communication Engineering Beijing China

ISBN: (纸本)9798350380347

To improve the safety of stage lifts' operation and reduce the failure rate, a digital-twin assisted fault prediction method is proposed here. Signals such as vibration and temperature are collected from the virtual and physical models. A fault prediction model based on Graph Convolutional Networks (GCN) is constructed to identify the potential faults of stage lift. The experiment results illustrate the effectiveness of the proposed model. It would enhance the safety and stability of stage equipment, and provide reliable support for stage performances. © 2024 IEEE.

关键词： Prediction models

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Vehicle object detection based on rgb-camera and radar sensor fusion

Vehicle object detection based on rgb-camera and radar senso...

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

作者： Li, ZhongTong Yan, Ming Jiang, Wei Xu, Pin 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

ISBN: (纸本)9781728155869

Object detection has always played a major role in the field of computer vision. With the development of faster region-based convolutional neural network (faster-RCNN), single shot multi-box detector (SSD), You Only Look Once (Yolo) and other deep learning networks, 2D object detection has been developed well developed. However, in some key areas, such as driverless vehicles and artificial intelligence robots, cannot meet the requirements of tasks just by detecting two dimensional (2D) objects. So we need to get the three dimensional (3D) position of the object. In 3D object detection, it is difficult to obtain object position information only by red-green-blue (RGB) image. There are some methods to get the 3D position of the target through the point cloud data set. Therefore, this paper proposes a deep learning network, which can combine both color image information and point cloud geometry information, while using MobileNet V3 as the backbone network greatly enhances the operation speed. The region proposal networks (RPN) layer in faster-RCNN is migrated to the network. After testing, the method proposed by us improves obviously in speed and recognition accuracy compared with the previous methods. © 2019 IEEE.

关键词： Object detection

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Research on Comfort Perception and Evaluation of Immersive Experience Equipment in Cultural Tourism

Research on Comfort Perception and Evaluation of Immersive E...

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

作者： Hu, Huibo Su, Zhibin Jiang, Yujian Qu, Lingxi Communication University of China School of Information and Communication Engineering Beijing China Ministry of Culture and Tourism Key Laboratory of Acoustic Visual Technology and Intelligent Control System Beijing China

ISBN: (纸本)9798350380347

Virtual Reality Head-Mounted Display (HMD), also known as VR glasses, is a typical amusement device that provides an immersive viewing experience based on virtual reality technology in cultural tourism equipment. Various factors may cause users to experience different degrees of sensory discomfort when using VR head-mounted displays, posing potential safety risks during performances. This study focuses on typical VR glasses used in cultural tourism performances and evaluates user comfort as the primary indicator. Through subjective evaluation experiment design, it examines the impact of motion conditions, internal scene settings, and VR glasses configuration on users' comfort perception. The research aims to provide theoretical analysis and experimental data to reduce performance safety risks. © 2024 IEEE.

关键词： Virtual environments

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Research on emotional space for movie and TV drama videos

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The Journal of China Universities of Posts and Telecommunications 2022年第5期29卷 73-82页

作者： Li Yujie Zhang Jingjing Jiang Wei Wang Chunxiao Key Laboratory of Acoustic Visual Technology and Intelligent Control System Communication University of ChinaBeijing 100024China Beijing Key Laboratory of Modern Entertainment Technology Communication University of ChinaBeijing 100024China School of Information and Communication Engineering Communication University of ChinaBeijing 100024China School of Computer and Cyber Sciences Communication University of ChinaBeijing 100024China

Emotional space refers to a multi-dimensional emotional model that describes a group of subjective feelings or emotions. Since the existing discrete emotional space is mainly aimed at human’s primary emotions, it cannot describe the complex emotions evoked when watching movies. In order to solve this problem, an emotional fusion space for videos was constructed by selecting movies and TV dramas with rich emotional semantics as the research objects. Firstly, emotional words based on movie and TV drama videos are acquired and analyzed by using subjective evaluation and semantic analysis methods. Then, the emotional word vectors obtained from the above analysis are fused, reduced dimension by t-distributed stochastic neighbor embedding(t-SNE) algorithm, and clustered by bisecting K-means clustering algorithm to get a discrete emotional space for movie and TV drama videos. This emotional fusion space can obtain different categories by changing the value of the emotion classification number without re-labeling and calculation.

关键词： emotional space movie and TV drama videos subjective evaluation words semantic analysis fusion space

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DTMC-Based Performance Evaluation of Mobile-phone User's Application Node 17

DTMC-Based Performance Evaluation of Mobile-phone User's App...

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17th IEEE/ACIS International Conference on Computer and Information Science, ICIS 2018

作者： Wang, Danyu Shi, Minyong Wang, Yongbin Hong, Zhiguo School of Computer Communication University of China Beijing100024 China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture China Beijing Key Laboratory of Modern Entertainment Technology Beijing100024 China

ISBN: (纸本)9781538658925

New media news client now largely replaces traditional newspaper media. Mobile-phone application node is the key component of distributed mobile phone, which offers reading newspaper on mobile phone. The performance mobile-phone application node has great impact on telephone user's experience. This paper uses DTMC-based model checking methodology to evaluate mobile-phone application node's performance such as Sina or Tencent News client. Based on the analysis of news node's working process, the probability of steady-state is chosen as the performance index to study different parameters' influence on it. Furthermore, trend that the probability of steady-state of News node varies with the effect of probability from WeChat state to Weibo state and probability from Game state to Video state is derived thereby. © 2018 IEEE.

关键词： Model checking

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Research on Named Entity Recognition for Oral History Text

Research on Named Entity Recognition for Oral History Text

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

作者： Hu, Chaoyu Bai, Shilei Zhang, Mengfei Communication University of China School of Information and Communication Engineering Beijing China Beijing Key Laboratory of Modern Entertainment Technology Beijing China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture Beijing China

ISBN: (纸本)9798350380347

Oral history involves conveying experienced events through spoken narratives, typically preserved and later studied by converting spoken language into text. Named entity recognition (NER) is the recognition of meaningful named entities in text, such as person names, locations, organizations, etc. Conducting NER research on oral history text is significant as it not only facilitates the verification of named entities by researchers but also allows for the extraction of key information from texts through named entities. By collecting oral history corpus, we establish an oral history text dataset, manually annotating all texts with six entity labels and repeatedly verifying them manually. Utilizing the concept of machine reading comprehension (MRC), a semantic fusion module was added, integrating label information into text information using a cross-attention mechanism, and decoding the corresponding entity labels through span decoding. The final model performs well on the oral history text dataset and also showed good performance on general Chinese datasets. © 2024 IEEE.

关键词： Decoding

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Obstacle Avoidance Algorithm of Handling Robot in Cultural Complex

Obstacle Avoidance Algorithm of Handling Robot in Cultural C...

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

作者： Ren, Hui Li, Mengnan Shen, Xiaochen School of Information and Commmunication Engineering Communication University of China Beijing100024 China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Beijing100024 China Beijing100024 China

ISBN: (数字)9781665462488

ISBN: (纸本)9781665462488

In order to solve the problem of rapid switching of space equipment in the cultural complex, this paper combines Moth-Flame optimization Algorithm (MFO) and Dynamic Window Approach (DWA) to realize the hybrid path planning of handling robots in dynamic environments. Compared with the mainstream algorithms, the Moth-Flame optimization algorithm has the best performance. Different paths were classified and judged, and the global path planning based on MFO was proposed. The intersection of the dynamic obstacle and the global path were detected, and the dynamic window approach was used for local path planning in the road section where the collision occurs. Finally the combination of the global path planning and the local dynamic obstacle avoidance was realized. The effect of the hybrid path planning algorithm in the complex environment of the cultural complex had been verified. © 2022 IEEE.

关键词： Optimization

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Broadband Constant Directivity control of Line Array Loudspeakers

Broadband Constant Directivity Control of Line Array Loudspe...

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

作者： Li, Zhen Chen, Yuqing Ren, Hui Li, Kaiyue State Key Laboratory of Media Convergence of Commmunication Beijing China Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture and Tourism Beijing China Beijing China Communication University of China Beijing China

ISBN: (数字)9781665462488

ISBN: (纸本)9781665462488

In fact, the constant directivity characteristic of line array loudspeaker cannot cover all frequency. In order to expand the entire working frequency band of the constant directivity of the line array loudspeaker as much as possible, that is, to obtain a lower cut-off frequency and reduce the high frequency aliasing phenomenon, this paper proposes a frequency division shading algorithm based on the acoustic waveguide linear delay constant beamwidth transducer(CBT) array. After simulation in matlab, the sound field of traditional shading algorithm and frequency division shading algorithm is compared, it is effectively verified that the algorithm has a wider working frequency band than the traditional shading algorithm. In particular, the frequency division shading algorithm effectively reduces high-frequency aliasing phenomenon, which is difficult to overcome in traditional shading algorithms. © 2022 IEEE.

关键词： Loudspeakers

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Attribute Analysis and Modeling Research on Color Harmony of Three-Color Combination

Attribute Analysis and Modeling Research on Color Harmony of...

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

作者： Pu, Jiapeng Wang, Shuang Ren, Hui Communication University of China State Key Laboratory of Media Convergence and Communication China Communication University of China Key Laboratory of Acoustic Visual Technology and Intelligent Control System China Communication University of China Beijing Key Laboratory of Modern Entertainment Technology Beijing China

ISBN: (纸本)9798350357998

Color harmony is the result of objective color matching and human subjective feeling. This paper aims to study the subjective and objective factors of color harmony and carry out mathematical models between them. Firstly, we constructed a color data set commonly used three-color combinations. Secondly, we analyzed the subjective and objective factors affecting color harmony, extracted the 36-dimensional objective physical features, and divided subjective factors into direct psychological factors and indirect psychological factors. Then, based on color harmony and its subjective factors, a total of 33 subjects evaluated 150 three-color combinations on a five-level scale. Finally, the mathematical models of color harmony were constructed by machine learning algorithms. The research shows that color harmony is not only affected by objective factors, but also by subjective factors, and the influence of subjective factors is greater. In addition, the multiple linear regression algorithm plays best on color harmony predicting, which can better explain the color harmony mechanism. © 2023 IEEE.

关键词： Color matching

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Research on Audio-visual Emotion Fusion based on Superposition Response

Research on Audio-visual Emotion Fusion based on Superpositi...

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2016 2nd Workshop on Advanced Research and technology in Industry Applications(WARTIA 2016)

作者： Hua Zhang Wei Jiang Key Laboratory of Acoustic Visual Technology and Intelligent Control System Ministry of Culture

The research tries to study humans' responses to superimposed costimulatory *** information,including music,natural images,may be perceived through sound and visual *** procedure is interested in the superposition state of superimposed vibrations,whereby two or more signals are perceived simultaneously,producing a perceptual impression that is considerably different than of each signal alone,owing to the interactions between perceived stimulus vibrations that induce a coordinated percept of a vibrational *** show that these temporal attributes and statistics are strongly *** the same time,we reveal that this kind of superposition response is closely related to human's psychological mechanism.

关键词： Audio-visual Superposition Response Emotion Fusion

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