关键词：
Pancharatnam-Berry phase;Photonic spin Hall effect;metasurface
摘要：
Observation of photonic spin Hall effect (SHE) manifested by spin-dependent splitting of light in a dielectric-based birefringent metasurface is reported experimentally. By designing the metasurface with homogeneous phase retardation but space-variant optical axis directions, we govern the photonic SHE via space-variant Pancharatnam-Berry phase originated from the local polarization manipulation of the metasurface, essentially, the spin-orbit interaction between the light and the metasurface. Modulating the polarization distribution of the incident light and/or the structure geometry of the metasurface, the photonic SHE could be tunable. This type of metasurface offers an effective way to manipulate the spin-polarized photons and a route for spin-controlled nanophotonic applications.
期刊：
2014 4TH IEEE INTERNATIONAL CONFERENCE ON INFORMATION SCIENCE AND TECHNOLOGY (ICIST),2014年:595-598 ISSN：2164-4357
通讯作者：
Wen, Yafei
作者机构：
[Wen, Yafei; Zou, Changqing; Liu, Jianzhuang] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China.;[Wen, Yafei] Univ Chinese Acad Sci, Beijing, Peoples R China.;[Zou, Changqing] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang, Peoples R China.;[Liu, Jianzhuang] Chinese Univ Hong Kong, Huawei Technol Co Ltd, Dept Informat Engn, Media Lab, Hong Kong, Hong Kong, Peoples R China.
会议名称：
4th IEEE International Conference on Information Science and Technology (ICIST)
会议时间：
APR 26-28, 2014
会议地点：
Shenzhen, PEOPLES R CHINA
会议主办单位：
[Wen, Yafei;Zou, Changqing;Liu, Jianzhuang] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China.^[Wen, Yafei] Univ Chinese Acad Sci, Beijing, Peoples R China.^[Zou, Changqing] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang, Peoples R China.^[Liu, Jianzhuang] Chinese Univ Hong Kong, Huawei Technol Co Ltd, Dept Informat Engn, Media Lab, Hong Kong, Hong Kong, Peoples R China.
会议论文集名称：
International Conference on Information Science and Technology
关键词：
3D model retrieval;bag-of-features;local shape descriptors;pLSA
摘要：
Sketch-based 3D model retrieval has recently attracted a lot of interest in the content-based 3D model retrieval community.We propose a novel method to solve this problem by using a latent topic model
期刊：
Applied Mechanics and Materials,2014年662:121-124 ISSN：1660-9336
通讯作者：
Huang, Chiqin
作者机构：
[Peng, Huijun; Huang, Chiqin] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
通讯机构：
[Huang, Chiqin] H;Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议名称：
International Conference on Mechanical Engineering, Civil Engineering and Material Engineering
会议时间：
20140927-28
会议地点：
Wuhan
会议主办单位：
[Huang, Chiqin;Peng, Huijun] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议论文集名称：
Mechanical engineering, materials and information technology II: Selected, peer reviewed papers from the 2014 2nd International Conference on Mechanical Engineering, Civil Engineering andaterial Engineering (MECEM 2014), September 27-28, 2014, Wuhan, China
关键词：
Eco-environmental frangibility;Urban islet in river;Recreation area
摘要：
The islets in river are the most important recreation areas in city. The special geological conditions and geographical location determine the frangibility of the eco-environment. The inappropriate or excessive recreation development will cause the degradation even deterioration of the eco-environment system of urban islet in river. According to the characteristics of the eco-environmental frangibility of urban islet in river, the paper constructs a model of "formation-influence-regulation" and applies it to the Dongzhou Islet in Xiangjiang River.
摘要：
Nanosecond-level pulses of specific shape is usually generated by stacking chirped pulses for high-power inertial confinement fusion driver, in which nonlinear imaging of scatterers may damage precious optical elements. We present a numerical study of the characteristics of nonlinear imaging of scatterers in broadband laser stacked by chirped pulses to disclose the dependence of location and intensity of images on the parameters of the stacked pulse. It is shown that, for sub-nanosecond long sub-pulses with chirp or transform-limited sub-pulses, the time-mean intensity and location of images through normally dispersive and anomalously dispersive self-focusing medium slab are almost identical; While for picosecond-level short sub-pulses with chirp, the time-mean intensity of images for weak normal dispersion is slightly higher than that for weak anomalous dispersion through a thin nonlinear slab; the result is opposite to that for strong dispersion in a thick nonlinear slab; Furthermore, for given time delay between neighboring sub-pulses, the time-mean intensity of images varies periodically with chirp of the sub-pulse increasing; for a given pulse width of sub-pulse, the time-mean intensity of images decreases with the time delay between neighboring sub-pulses increasing; additionally, there is a little difference in the time-mean intensity of images of the laser stacked by different numbers of sub-pulses. Finally, the obtained results are also given physical explanations.
期刊：
Lecture Notes in Computer Science,2014年8691(PART 3):660-674 ISSN：0302-9743
通讯作者：
Peng, Xiaojiang
作者机构：
[Peng, Qiang; Peng, Xiaojiang] Southwest Jiaotong Univ, Chengdu, Peoples R China.;[Wang, Limin] Chinese Univ Hong Kong, Dept Informat Engn, Hong Kong, Peoples R China.;[Qiao, Yu; Wang, Limin; Peng, Xiaojiang] Chinese Acad Sci, Shenzhen Key Lab CVPR, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China.;[Wang, Limin] Hengyang Normal Univ, Hengyang, Peoples R China.
通讯机构：
[Peng, Xiaojiang] S;Southwest Jiaotong Univ, Chengdu, Peoples R China.
会议名称：
13th European Conference on Computer Vision (ECCV)
会议时间：
SEP 06-12, 2014
会议地点：
Zurich, SWITZERLAND
会议主办单位：
[Peng, Xiaojiang;Peng, Qiang] Southwest Jiaotong Univ, Chengdu, Peoples R China.^[Wang, Limin] Chinese Univ Hong Kong, Dept Informat Engn, Hong Kong, Peoples R China.^[Peng, Xiaojiang;Wang, Limin;Qiao, Yu] Chinese Acad Sci, Shenzhen Key Lab CVPR, Shenzhen Inst Adv Technol, Shenzhen, Peoples R China.^[Wang, Limin] Hengyang Normal Univ, Hengyang, Peoples R China.
会议论文集名称：
Lecture Notes in Computer Science
摘要：
Recent studies show that aggregating local descriptors into super vector yields effective representation for retrieval and classification tasks. A popular method along this line is vector of locally aggregated descriptors (VLAD), which aggregates the residuals between descriptors and visual words. However, original VLAD ignores high-order statistics of local descriptors and its dictionary may not be optimal for classification tasks. In this paper, we address these problems by utilizing high-order statistics of local descriptors and peforming supervised dictionary learning. The main contributions are twofold. Firstly, we propose a high-order VLAD (H-VLAD) for visual recognition, which leverages two kinds of high-order statistics in the VLAD-like framework, namely diagonal covariance and skewness. These high-order statistics provide complementary information for VLAD and allow for efficient computation. Secondly, to further boost the performance of H-VLAD, we design a supervised dictionary learning algorithm to discriminatively refine the dictionary, which can be also extended for other super vector based encoding methods. We examine the effectiveness of our methods in image-based object categorization and video-based action recognition. Extensive experiments on PASCAL VOC 2007, HMDB51, and UCF101 datasets exhibit that our method achieves the state-of-the-art performance on both tasks.
摘要：
In each step of logistics, transportation plays an important role to increase profit for the logistics enterprises. The vehicle routing problem is getting more and more attention of researchers and logistics enterprises. There are many factors that affect the path, many of which can only be described qualitatively, such as traffic, environment etc., These factors need to be taken into account comprehensively for path selection. The paper proposes the two-stage optimization method of transport network to solve the problem of optimal path, which combines the qualitative analysis with quantitative analysis. Examples show that it is feasible. Keywords: Transport network; AHP algorithm; Dynamic programming
摘要：
Activated palm kernel shell carbon (APKSC) was used to remove U(VI) from aqueous solutions in a batch system. The adsorption kinetics, isotherms, and effects of various parameters, such as temperature, contact time, solution pH, adsorbent dosage, and initial U(VI) concentration on the U(VI) adsorption process were studied. Equilibrium was reached after 120 min in the range of studied U(VI) concentrations and temperatures. U(VI) uptake was insignificantly affected by temperature, but was highly pH dependent, and the optimum pH for removal was 5.5. U(VI) removal efficiency increased with the increasing adsorbent dosage. U(VI) sorption capacity increased with increasing initial U(VI) concentration; any further increases in initial U(VI) concentration above a certain point caused insignificant changes in U(VI) sorption capacity. Isotherm data could be described by the Langmuir isotherm model with a maximum U(VI) adsorption capacity of 51.81 mg/g. Kinetic data were fitted to pseudo-first-order and pseudo-second-order equations, which suggested that the U(VI) adsorption onto APKSC was better reproduced by the pseudo-second-order model rather than pseudo-first-order model. Our results indicated that APKSC might be used as a cheap adsorbent in the treatment of uranium-containing wastewater.
作者：
Li, Liulan*;Ponnusamy, Saminathan;Vuorinen, Matti
作者机构：
[Li, Liulan] Hengyang Normal Univ, Dept Math & Computat Sci, Hengyang 421008, Hunan, Peoples R China.;[Ponnusamy, Saminathan] Indian Stat Inst ISI Chennai Ctr, SETS, Madras 600113, Tamil Nadu, India.;[Vuorinen, Matti] Univ Turku, Dept Math & Stat, Turku 20014, Finland.
会议名称：
International Workshop on Complex Analysis and Its Applications
期刊：
Proceedings - International Conference on Pattern Recognition,2014年:4570-4575 ISSN：1051-4651
通讯作者：
Wen, Yafei
作者机构：
[Chen, Shifeng; Wen, Yafei; Zou, Changqing; Liu, Jianzhuang] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Key Lab Comp Vis & Pat Rec, Shenzhen, Peoples R China.;[Du, Shuze] Chinese Acad Sci, Chengdu Inst Comp Applicat, Chengdu, Peoples R China.;[Du, Shuze; Wen, Yafei; Zou, Changqing] Univ Chinese Acad Sci, Beijing, Peoples R China.;[Zou, Changqing] Hengyang Normal Univ, Dept Phys & Elect Informat Sci, Hengyang, Peoples R China.;[Chen, Shifeng; Wen, Yafei; Zou, Changqing; Liu, Jianzhuang] Chinese Univ Hong Kong, Hong Kong, Hong Kong, Peoples R China.
通讯机构：
[Wen, Yafei] C;Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Key Lab Comp Vis & Pat Rec, Shenzhen, Peoples R China.
会议名称：
22nd International Conference on Pattern Recognition (ICPR)
会议时间：
AUG 24-28, 2014
会议地点：
Swedish Soc Automated Image Anal, Stockholm, SWEDEN
会议主办单位：
Swedish Soc Automated Image Anal
会议论文集名称：
International Conference on Pattern Recognition
关键词：
3D model retrieval;bag-of-features;feature fusion;shape descriptor
摘要：
Sketch-based 3D model retrieval provides a convenient way for users to search for 3D models by sketches. Traditionally, this task is converted to a sketch-based 2D shape retrieval problem by projecting 3D models to 2D images. Local invariant features have been widely used to tackle this problem. However, it suffers from the lack of global context and easily fails when images of different 3D models share multiple similar regions. In this paper, we propose a joint description by fusing local statistical structures and global spatial features. Our description is invariant to scale, translate and rotation. An improved bag-of-features retrieval framework is applied to explore semantic visual word representations. Besides, a novel relevance feedback scheme which combines weight balancing and query modification is designed to further improve the retrieval performance. We conduct various experiments on the common sketch-based watertight model benchmark. The comparative results show that our approach significantly outperforms three state-of-the-art methods, demonstrating its effectiveness and robustness for sketch-based 3D model retrieval.
作者机构：
[Wu, Yue] Hengyang Normal Univ, Dept Econ & Management, Hengyang 421008, Hunan, Peoples R China.;[Dong, ZiXiong] Hengyang Normal Univ, Dept resources Environm & Tourism Management, Hengyang 42100, Hunan, Peoples R China.
通讯机构：
[Wu, Yue] H;Hengyang Normal Univ, Dept Econ & Management, Hengyang 421008, Hunan, Peoples R China.
会议名称：
2nd International Conference on Environmental Science and Material Application (ESME)
会议时间：
MAR 22-23, 2014
会议地点：
Wuhan, PEOPLES R CHINA
会议主办单位：
[Wu, Yue] Hengyang Normal Univ, Dept Econ & Management, Hengyang 421008, Hunan, Peoples R China.^[Dong, ZiXiong] Hengyang Normal Univ, Dept resources Environm & Tourism Management, Hengyang 42100, Hunan, Peoples R China.
会议论文集名称：
Advanced Materials Research
关键词：
Environment protection;Corporate social responsibility;Indicators
摘要：
In recent years, most area PM2.5 of our country is high, water pollution incidents occur frequently, as the main body of the market economy, enterprises about environment protection and economic symbiosis development can not shirk its responsibility. In the qualitative and quantitative analysis, the combination of theory and practice, systematic, scientific, operational principle, constructing the index system of corporate social responsibility has important practical significance for environment protection.
摘要：
Based on empirical research on the 235 valid questionnaires, the evaluation index system of ecological environment governance was established in a regional industry focus areas ,a new combination empowerment method based on information entropy correction AHP, which can reduce the subjective bias, was put forward, and then a two fuzzy comprehensive evaluation method was used to evaluate on ecological environment governance about the Hengyang lead and zinc industry focus fields, in order to better solve the evaluation of the regional industry focus field about the ecological environment governance for the Government, and provide a theoretical basis for the discovery of regional industrial problems and countermeasures of eco-environmental governance.
会议论文集名称：
Communications in Computer and Information Science
关键词：
Differential power analysis;Fixed-value masking algorithm;SMS4;Trusted computing system
摘要：
Side channel attacks could efficiently break cryptographic algorithm based on hardware implementation including applications on trusted computing systems. Chinese researchers had proposed a standard encryption algorithm, called SMS4, for their own wireless LAN communications in 2006. In this paper, we propose a modified fixed-value masking algorithm for SMS4 in order to resist again power analysis attack to hardware based SMS4. Furthermore, we simulate the attacking environments and port the proposed countermeasure to FPGA platform. The experimental results show that the proposed countermeasure can efficiently resist against power analysis attack.
摘要：
In this study a novel image processing approach is proposed to improve the denoising in SAR images based on wavelet packet and median filter, Median filter is adopted to remove noise in the wavelet packet domain. At first, the process of the novel is introduced in detail .At last, by adding some simulated noise in the SAR image, the performance of the proposed approach is shown and compared with other filter algorithms in terms of PSNR
作者机构：
[Peng, Huijun; Huang, Chiqin] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.;[Zeng, Qianyun; Peng, Huijun; Huang, Chiqin] Hengyang Normal Univ, Nanyue Coll, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
通讯机构：
[Peng, Huijun] H;Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议名称：
International Conference on Material Engineering, Chemistry and Environment (MECE 2013)
会议时间：
AUG 24-25, 2013
会议地点：
Wuhan, PEOPLES R CHINA
会议主办单位：
[Peng, Huijun;Huang, Chiqin] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.^[Peng, Huijun;Huang, Chiqin;Zeng, Qianyun] Hengyang Normal Univ, Nanyue Coll, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议论文集名称：
Advanced Materials Research
关键词：
recreationist segmentation;environmental attitude;islet in river
摘要：
The environment of islet in river is vulnerable and the recreationist's behavior is important for its' sustainable development. The paper aims to classify the recreationists of islet in river by the standard of recreationist's environmental attitude and describe the different recreationists' behaviors. The result showed that the recreationist's attitudes of islet in river included four dimensions: environmental responsibility, environmental emotion, environmental moral and environmental behavior intention. Based on the standard of environmental attitude, the recreationists can be classified 3 types: recreationist of ignoring environment, recreationist of dominant environmental attitude and recreationist of dominant environmental behavior. The three types of recreationists of islet in river have different demographic characters and environmental behaviors.
作者：
Zhao, Huihuang*;Lopez, Juan F., Jr.;Li, Shuxia;Cao, Yufeng;Qiao, Zhijun
期刊：
Proceedings of SPIE - The International Society for Optical Engineering,2013年8750:- ISSN：0277-786X
通讯作者：
Zhao, Huihuang
作者机构：
[Zhao, Huihuang] Hengyang Normal Univ, Comp Sci Dept, Hengyang 421008, Hunan, Peoples R China.
通讯机构：
[Zhao, Huihuang] H;Hengyang Normal Univ, Comp Sci Dept, Hengyang 421008, Hunan, Peoples R China.
会议名称：
Conference on Independent Component Analyses, Compressive Sampling, Wavelets, Neural Net, Biosystems, and Nanoengineering XI
会议时间：
MAY 01-03, 2013
会议地点：
Baltimore, MD
会议主办单位：
[Zhao, Huihuang] Hengyang Normal Univ, Comp Sci Dept, Hengyang 421008, Hunan, Peoples R China.
会议论文集名称：
Proceedings of SPIE
关键词：
SAR image;Block Compressed Sensing;Orthogonal Matching Pursuit
摘要：
In this paper, a denoise approach is proposed to reduce the speckle noise in SAR images based on compress sensing. Through the skill of compressed sensing, we divide the image into some blocks, and propose an image reconstruction method based on block compressing sensing with Orthogonal Matching Pursuit. By adding some simulated speckle noise in the SAR image, the performance of the proposed approach is shown and compared with a conventional algorithm. the result has been shown that our method can get better result in terms of peak signal noise ratio (PSNR).
期刊：
Applied Mechanics and Materials,2013年291-294:2845-2848 ISSN：1660-9336
通讯作者：
Bu Huabai
作者机构：
[Bu Huabai; Bu Shizhen] Hengyang Normal Univ, Dept Econ, Hengyang 421008, Peoples R China.
通讯机构：
[Bu Huabai] H;Hengyang Normal Univ, Dept Econ, Hengyang 421008, Peoples R China.
会议名称：
International Conference on Sustainable Energy and Environmental Engineering
会议时间：
2012-12-29
会议地点：
Guangzhou(CN)
会议主办单位：
[Bu Huabai;Bu Shizhen] Hengyang Normal Univ, Dept Econ, Hengyang 421008, Peoples R China.
会议论文集名称：
Advances in energy science and technology
关键词：
Cluster enterprise value chain;Post crisis period;Symbiosis
摘要：
Along with the constant evolution of the world economy, the global economic crisis which was following the United States sub-prime loans crisis has entered "post crisis era". However, it is still not resolved that this crisis has highlighted the problem of abnormal inner structure of clusters enterprise value chain in our country, and some developmental obstacles coexist in the cluster enterprises. This article addresses the realities of the "post crisis era" with value network and Grid as the starting points and puts forward a symbiotic path of cluster enterprises value chain, and then provides a theoretical basis for the decision about the symbiosis.
作者机构：
[Peng, Huijun; Huang, Chiqin] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
通讯机构：
[Huang, Chiqin] H;Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议名称：
International Conference on Material Engineering, Chemistry and Environment (MECE 2013)
会议时间：
AUG 24-25, 2013
会议地点：
Wuhan, PEOPLES R CHINA
会议主办单位：
[Huang, Chiqin;Peng, Huijun] Hengyang Normal Univ, Dept Resources Environm & Tourism Management, Hengyang 421002, Peoples R China.
会议论文集名称：
Advanced Materials Research
关键词：
tourism ecological environmental security;evaluation index system;islet in river
摘要：
The ecological system and natural environment of islet in river are easy to be damaged. With the increasing tourists and serious lag of management, the ecological environment of islet in river is facing severe challenges and its ecological environmental security should been paid more attention. Based on the model of Press-State-Response, the article constructed the evaluation index system of islet in river and applied it in the evaluation of Dongzhou islet of Hengyang, Hunan province of China. The research can provide the reference for ecological security evaluation and environment protection. It will promote the islet's tourism utilization and sustainable development.
摘要：
The unique tourism product system originated from the blend of beautiful natural scenery and the profound Huxiang culture have formed the tourism environment advantages for Hunan to develop low-carbon tourism. In order to build up a powerful tourism city and adhere to the principles of green tourism and low-carbon tourism, Hunan province has created tourism environment advantages set about from government, enterprises and social citizens, devoting itself to cultivating the low-carbon tourism culture and developing low-carbon products of Hunan, fulfilling the low-carbon of tourism environment, innovating the low-carbon tourism environment management system of the government as well as improving the level of the public awareness of tourism environment, so as to carry out the overall developmental strategies of low-carbon tourism environment.
