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Pedestrian partial occlusion detection method based on improved YOLO network structure

Pedestrian partial occlusion detection method based on impro...

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2019 International Conference on intelligent Computing, Automation and Systems, ICICAS 2019

作者： Chen, guangxi Zhan, Baoying Tang, Min Xie, Chen Guangxi Key Laboratory of Image and Graphic Intelligent Processing Guilin University of Electronic Technology Guilin China School of Mathematics and Computing Science Guilin University of Electronic Technology Guilin China

ISBN: (纸本)9781728161068

The problem of pedestrian detection accuracy is low due to partial occlusion of pedestrians in practical application scenarios, a pedestrian occlusion detection method based on improved YOLOv3 network structure is proposed. By improving the activation function and clustering method to strengthen the feature output layer of the shallow layer of the network, which effectively make the accuracy of detection better. The experimental results show that the mAP of proposed method is improved by 2.63 percent in the INRIA data set, and the improved network has good robustness and generalization ability, and guarantees the real-time of detection. © 2019 IEEE.

关键词： Chemical activation

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Arbitrary shape text detection method based on improved PSE network structure

Arbitrary shape text detection method based on improved PSE ...

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IEEE International Conference of Safety Produce Informatization (IICSPI)

作者： Chen Xie guangxi Chen Min Tang Qiaochu Li Guangxi Key Laboratory of Image and Graphic Intelligent Processing Guilin University of Electronic Technology Guilin China School of Mathematics and Computing Science Guilin University of Electronic Technology Guilin China

ISBN: (数字)9781728177380

ISBN: (纸本)9781728177397

The problem of low efficiency of text detection in natural scenes due to the Curved text or the multi-directional text, a arbitrary shape text detection method based on PSE network structure is proposed. By changing the backbone network of the original PSE and adopting a new lightweight network as backbone, and the post-processing method of the original network is optimized, which effectively improves the speed without losing the original accuracy. The experimental results show that the speed of the proposed method is 5.81 FPS/s compared with the original PSE on CTW1500 data set. The improved network has good robustness and generalization ability, and has better overall performance.

关键词： Shape Conferences Production Robustness

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Multi-Wavelength Narrow Linewidth Random Fiber Laser Based on Fiber Bragg Grating Fabry-Perot Filter

Multi-Wavelength Narrow Linewidth Random Fiber Laser Based o...

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International Conference on Information Science and Technology (ICIST)

作者： Sokliep Pheng Luo Xiaonan Zhongshuai Wang Yijie Zhu Zetao Jiang School of Information and Communication Guilin University of Electronic Technology Guilin China Guangxi Key Laboratory of Intelligent Processing of Computer Image and Graphics Guilin University of Electronic Technology Guilin China School of Computer Science and Information Security Guilin University of Electronic Technology Guilin China

ISBN: (数字)9781728155586

ISBN: (纸本)9781728155593

Recently, multi-wavelength narrow linewidth random fiber laser has very interested for every researcher in this field, because of their useful advantages application, such as high-resolution spectroscopy and fiber optic sensing. In this paper, the standard single-mode fiber is used to form a half-opened cavity structure for generating the narrow linewidth random fiber laser and used the FBG-FP as a filter to form the narrow linewidth RFL into multi-wavelength. Firstly, we used the Rayleigh scattering that processed as well as in a standard single-mode fiber to provide random distribution feedback at the same time while using erbium-doped fiber (EDF) to provide the gain or amplification for achieving a broadband random laser output. Then, FBG-FP is added to the half-open cavity random laser structure. The multi-wavelength and narrow linewidth RFL can be achieved when the broadband RFL goes through the FBG-FP. In this paper we have generated the multi-wavelength narrow linewidth random fiber laser which has more than 10 wavelengths and the 3dB bandwidth is less than 0.01 nm and the mode separation of each wavelength is 0.04nm.

关键词： Fiber gratings Erbium-doped fiber lasers Optical fiber couplers Optical fiber amplifiers

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The Research of the Accessibility and Transitivity of Topological Group

The Research of the Accessibility and Transitivity of Topolo...

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International Conference on Virtual Reality and intelligent Systems (ICVRIS)

作者： Ji Zhan-Jiang Shi Wei School of Information and Electronic Engineering Wuzhou University China Guangxi Colleges and Universities Key Laboratory of Image Processing and Intelligent Information System Wuzhou University China Guangxi Colleges and Universities Key Laboratory of Professional Software Technology Wuzhou University China Wuzhou Vocational College China

The accessibility and transitivity have an important significance in terms of theory and application. The concept of the accessibility and transitivity are introduced in this paper. We study their dynamical properties. The following result are obtained: (l)Let (K , G ) be the hyperspace of (X , G ). Then ( X , G ) is accessible if and only if (K , G ) is accessible; (2) Let (K , G) be the hyperspace of (X , G). Then (X , G ) is transitive if and only if (K , G ) is transitive. These results enriched the theory of the accessibility and transitivity of topological group.

关键词： Virtual reality intelligent systems

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Research on Palm Vein Recognition Algorithm Based on Improved Convolutional Neural Network

Research on Palm Vein Recognition Algorithm Based on Improve...

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International Automatic Control Conference

作者： Bo Sun Xunfang Tao Ji li Xiaonan Luo Guangxi Key Laboratory of Intelligent processing of Computer Images and Graphics Guilin University of Electronic Technology Guilin China Guilin Huigu Institute of Artificial Intelligence Industrial Technology Guilin University of Electronic Technology Guilin China

ISBN: (数字)9781728171982

ISBN: (纸本)9781728171999

When collecting palm vein images, it is easy to be affected by external factors such as light source and placement angle, which result in poor recognition accuracy. In this paper, a new method, which involve a new method of region of interest segmentation and an improved palm recognition method of VGG16 deep convolutional neural network, was proposed to promote the recognition accuracy and be well adapted to the actual application scenarios. Firstly, the original palm vein image is obtained through profile original image, positioning key point of original image, and extract region of interest image. Afterwards, the adaptive histogram equalization technique and Gaussian Filters are utilized to improve image quality. Secondly, for palm vein image recognition application scenarios, the output of the convolutional layer of the VGG-16 convolutional neural network is standardized in batches, and the attention mechanism is introduced to optimize the VGG-16 neural network. The optimized network is used for feature extraction and recognition of palm vein images. Thirdly, data enhancement was performed on the public Polyu multispectral palm vein data set, and then a large number of experiments were carried out, and the best recognition rate was 99.57%.

关键词： image segmentation image recognition Veins Neural networks Feature extraction Convolutional neural networks Light sources

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A Novel Biometric Method for Blurred Palm Vein images

A Novel Biometric Method for Blurred Palm Vein Images

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International Automatic Control Conference

作者： Xunfang Tao Bo Sun Ji Li Xiaonan Luo Guangxi Key Laboratory of Intelligent Processing of Computer Images and Graphics Guilin University of Electronic Technology Guilin China Guilin Huigu Institute of Artificial Intelligence Industrial Technology Guilin University of Electronic Technology Guilin China

ISBN: (数字)9781728171982

ISBN: (纸本)9781728171999

This paper proposes a palm vein recognition system based on compressed sensing theory to solve the problem of blurred vein image recognition, and establishes a more accurate palm vein recognition system. This method is mainly composed of two parts: First, the compressed sensing is utilized to reconstruct the palm vein image extracted by the infrared sensor to obtain a clearer image than the original blurred image. Second, geometry-based method for processing palm vein images to extract image feature information easier. This paper solve the problems of blurred veins, difficult segmentation and feature information extraction in palm vein images. The accurate recognition experiment of palm vein images is conducted on the polyu database which processed by gaussian noise show that our method has advantages in accuracy compared to traditional palm vein recognition systems.

关键词： image recognition Databases Veins Feature extraction Security Compressed sensing image reconstruction

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The Research of the Expansion Property and Chain Mixing Property of Topological Group

The Research of the Expansion Property and Chain Mixing Prop...

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International Conference on Measuring Technology and Mechatronics Automation, ICMTMA

ISBN: (数字)9781728170817

ISBN: (纸本)9781728170824

The expansion property and chain mixing property have an important significance in terms of theory and application. The concept of the expansion property and chain mixing property are introduced in this paper. We study their dynamical properties. The following result are obtained: (1) Let (K , G) be the hyperspace of (K , G). If (K , G) is expansive, then (K , G) is expansive; (2) Let (K , G) be the hyperspace of (K , G) . If (K , G) is chain mixing, then (K , G) is chain mixing; (3) Let (K , G) be the hyperspace of (K , G) . If (K , G) is chain transitive, then (K , G) is chain transitive; These results enriched the theory of the expansion property and chain mixing property of topological group.

关键词： Mechatronics Automation

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The Research of G-Mixing and G-Equicontinuity on the Hyperspace of Topological Group Action

The Research of G-Mixing and G-Equicontinuity on the Hypersp...

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International Conference on Measuring Technology and Mechatronics Automation, ICMTMA

ISBN: (数字)9781728170817

ISBN: (纸本)9781728170824

G-mixing and G-equicontinuity have an important significance in terms of theory and application. According to the definition of mixing and equicontinuity, we give the concept of G-mixing and G-equicontinuity in this paper. By inference, some conclusions of the hyperspace were extended to the hyperspace of topological group action. We have the following result: (1)Let (K,H, f̅,G) be the hyperspace of (X, d, G, f) and f : X → X be a pseudo equivariant map. All non-empty open set are invariable for G . If f is a G-mixing map, then f̅ is a G-mixing map; (2)Let (K,H, f̅,G) be the hyperspace of (X,d,G, f) and f : X → X be a equivariant map. Then f is a G-mild mixing map if and only if f̅ is a G-mild mixing map;(3)Let (K,H, f̅,G) be the hyperspace of (X,d,G, f) and f :X → X be a equivariant map. Then f is a G-equicontinuity map if and only if f̅ is a Gequicontinuity map. These results enriched the theory of the G-mixing and G-equicontinuity on the hyperspace of topological group action.

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The Research of G-Chain Transitive and G-Chain Mixing on the Hyperspace of Topological Group Action

The Research of G-Chain Transitive and G-Chain Mixing on the...

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International Conference on Measuring Technology and Mechatronics Automation, ICMTMA

ISBN: (数字)9781728170817

ISBN: (纸本)9781728170824

G-chain transitive and G-chain mixing have an important significance in terms of theory and application. According to the definition of chain transitive and chain mixing, we give the concept of G-chain transitiveand G-chain mixing in this paper. By inference, some conclusions of the hyperspace were extended to the hyperspace of topological group action. We have the following result: (1)Letbe the hyperspace of. Ifis a G-chain transitive map, thenis a G-chain transitive map; (2)Letbe the hyperspace of. Ifis a G-chain mixing map, thenis a G-chain mixing map; (3)Letbe the hyperspace ofandbe a equivariant map. All non-empty open set are invariable for. Thenis a G-exact map if and only ifis a G-exact map. These results enriched the theory of the G-chain transitive and G-chain mixing on the hyperspace of topological group action.

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Multi-Scale Recurrent Network for Single image Deraining 8

Multi-Scale Recurrent Network for Single Image Deraining

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8th International Conference on Digital Home, ICDH 2020

作者： Li, Youxing Lan, Rushi Sun, Long Li, Ji Luo, Xiaonan Pang, Cheng Guilin University of Electronic Technology School of Computer Science and Information Security Guilin541004 China Guilin University of Electronic Technology Guangxi Key Laboratory of Image and Graphic Intelligent Processing Guilin541004 China Guilin University of Electronic Technology National Local Joint Engineering Research Center of Satellite Navigation and Location Service Guilin541004 China Guilin Huigu Institute of Artificial Intelligence Industrial Technology Guilin541004 China

ISBN: (纸本)9781728192345

Rain streaks noise is one of the greatest influence of outdoor scene tasks. In order to improve the effect of the outdoor scene tasks, we need to reduce the impact of the rain streaks noise while ensuring that other important details are preserved. To handle this issue, we proposed a multi-scale recurrent network (MSReNet) for single image rain removal. By divided MSReNet into two stages: (i) removal rain streaks in the first stage and (ii) restoring background-truth details in the second stage, our network can availably remove huge rain streaks and restore some important background details. Extensive experiments on both synthetic and real images demonstrated that the proposed MSReNet prominently exceeds many recent state-of-the-art methods. Taking the proposed method effectiveness, it is also attractive as a preprocessing process for some visual tasks. © 2020 IEEE.

关键词： Rain

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