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Depth map upsampling using segmentation and edge information 1

8th International Conference on Image and Graphics, ICIG 2015

作者： Zheng, Shuai An, Ping Zuo, Yifan Zou, Xuemei Wang, Jianxin School of Communication and Information Engineering Shanghai University Shanghai200072 China Key Laboratory of Advanced Display and System Application of the Ministry of Education Shanghai200072 China

ISBN: (数字)9783319219639

ISBN: (纸本)9783319219622

A depth upsampling method based on Markov Random Field is proposed, considering the depth and color information. First, the initial interpolated depth map is inaccurate and oversmooth, we use a rectangle window centered on every pixel to search the maximum and minimum depth value of the depth map to find out the edge pixels. Then, we use the depth information to guide the segmentation of the color image and build different data terms and smoothness terms for the edge and non-edge pixels. The result depth map is piecewise smooth and the edge is sharp. In the meanwhile, the result is good where the color information is consistent while the depth is not or where the depth information is consistent while the color is not. Experiments show that the proposed method performs better than other upsampling methods in terms of mean absolute difference (MAD). © Springer International Publishing Switzerland 2015.

关键词： Color

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A new hybrid error concealment for multi-view video

A new hybrid error concealment for multi-view video

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IEEE China Summit and International Conference on Signal and Information Processing, ChinaSIP 2015

作者： Yu, Hou Ran, Ma Panpan, Li Ping, An Chao, Yang School of Communication and Information Engineering Shanghai University Shanghai200072 China Key Laboratory of Advanced Display and System Application of the Ministry of Education Shanghai200072 China

ISBN: (纸本)9781479919482

The paper proposes a new hybrid error concealment for the multi-view video (MVV). Firstly, the lost macroblocks (MBs) are classified into the static MBs and the motive MBs by the motion information. Then the static MBs are repaired by image inpainting, which is improved to apply to inter and inter-view frame. The motive MBs are fixed by outer boundary matching algorithm (OBMA), in which candidate motion vector (MV) set is also expanded to inter and interview frame. The experimental results show that the hybrid algorithm can conceal the lost MBs with lower complexity and improve the subjective and objective quality, compared with traditional concealment algorithm. © 2015 IEEE.

关键词： Image enhancement

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LEDs: High‐Efficiency and Stable Quantum Dot Light‐Emitting Diodes Enabled by a Solution‐Processed Metal‐Doped Nickel Oxide Hole Injection Interfacial Layer (Adv. Funct. Mater. 42/2017)

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advanced Functional Materials 2017年第42期27卷

作者： Fan Cao Haoran Wang Piaoyang Shen Xiaomin Li Yanqiong Zheng Yuequn Shang Jianhua Zhang Zhijun Ning Xuyong Yang Key Laboratory of Advanced Display and System Applications Education of Ministry Shanghai University 149 Yanchang Road 200072 China School of Physical Science and Technology ShanghaiTech University 393 Middle Huaxia Road Pudong Shanghai 201210 China

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P-50: Development of Multilevel Memory Consisting of Oxide TFTs

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SID Symposium Digest of Technical Papers 2017年第1期48卷

作者： Seong-Ho Yun Seung-Hyuck Lee Byung-Chang Yu So-Jung Kim Sung-Min Yoon Chunwon Byun Hoon-Ju Chung Seung-Woo Lee Dep. of Information Display Convergence Display System Laboratory Kyung Hee University Seoul Korea Dep. of Advanced Materials Engineering for Information and Electronics Kyung Hee University Yongin Korea Smart I/O Platform Research Department Electronics and Telecommunications Research Institute Daejeon Korea School of Electrical Engineering Kumoh National Institute of Technology Kumi Korea

This paper proposes a multilevel memory circuit with a simple structure composed of two oxide thin film transistors (Ox-TFTs) and one capacitor. The proposed memory circuit utilizes low leakage current characteristics of the Ox-TFT. Simulation and measurement results confirm that the proposed memory circuit can achieve multilevel memory feature.

关键词： multilevel memory oxide thin film transistor (Ox-TFT) low leakage current

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Optimizing structure for constructing a highly efficient inverted top-emitting organic light-emitting diode with stable electroluminescent spectra

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Journal of Semiconductors 2014年第2期35卷 24-27页

作者：张小文许积文王华魏斌曾华荣蒋雪茵张志林 Guangxi Key Laboratory of Information Materials Guilin University of Electronic Technology Key Laboratory of Advanced Display and System Applications Ministry of EducationShanghai University Key Laboratory of Inorganic Functional Materials and Devices Shanghai Institute of CeramicsChinese Academy of Sciences

We demonstrate a highly efficient inverted top-emitting organic light-emitting diode （TOLED） having stable electroluminescent spectra and color coordination with variation of viewing angles by simply tuning the reso- nance wavelength corresponding to the free emission of the emitter. Using a doped fluorescent emitting system, the inverted TOLED exhibits an enhanced maximum current efficiency of 19 cd/A and a power efficiency of 17 lm/W, which are much higher than those （11 cd/A and 5 lm/W） of the counterpart with normal structure, although both TOLEDs behave with similar stable electroluminescent spectra characteristics. The results indicate that we provide a simple and effective method of constructing an excellent inverted TOLED for potentially practical applications.

关键词： OLED inverted structure stable electroluminescent spectrum microcavity effect

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INPAINTING ALGORITHM FOR KINECT DEPTH MAP BASED ON FOREGROUND SEGMENTATION

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Journal of Electronics(China) 2014年第1期31卷 41-49页

作者： Zhao Bing An Ping Liu Chao Yan Jichen Li Chunhua Zhang Zhaoyang Key Laboratory of Advanced Displays and System Application Ministry of Education School of Communication and Information Engineering Shanghai University College of Information Science and Engineering Hebei University of Science and Technology

The depth information of the scene indicates the distance between the object and the camera,and depth extraction is a key technology in 3D video *** emergence of Kinect makes the high resolution depth map capturing ***,the depth map captured by Kinect can not be directly used due to the existing holes and noises,which needs to be *** propose a texture combined inpainting algorithm in this ***,the foreground is segmented combined with the color characteristics of the texture image to repair the foreground of the depth ***,region growing is used to determine the match region of the hole in the depth map,and to accurately position the match region according to the texture *** the match region is weighted to fill the ***,a Gaussian filter is used to remove the noise in the depth *** results show that the proposed method can effectively repair the holes existing in the original depth map and get an accurate and smooth depth map,which can be used to render a virtual image with good quality.

关键词： Stereo video Depth map inpainting Kinect

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Lazarevicite-type short-range ordering in ternary III-V nanowires

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Physical Review B 2016年第19期94卷 195306-195306页

作者： M. Schnedler I. Lefebvre T. Xu V. Portz G. Patriarche J.-P. Nys S. R. Plissard P. Caroff M. Berthe H. Eisele R. E. Dunin-Borkowski Ph. Ebert B. Grandidier Peter Grünberg Institut Forschungszentrum Jülich GmbH 52425 Jülich Germany Département ISEN Institut d'Electronique de Microélectronique et de Nanotechnologie (IEMN) CNRS UMR 8520 41 Boulevard Vauban 59046 Lille Cedex France Key Laboratory of Advanced Display and System Application Shanghai University 149 Yanchang Road Shanghai 200072 People's Republic of China Laboratoire de Photonique et de Nanostructures (LPN) CNRS Université Paris-Saclay route de Nozay 91460 Marcoussis France Laboratoire d'Analyse et d'Architecture des Systèmes (LAAS) CNRS Université de Toulouse 7 Avenue du Colonel Roche 31400 Toulouse France Department of Electronic Materials Engineering Research School of Physics and Engineering The Australian National University Canberra Australian Capital Territory 0200 Australia Institut für Festkörperphysik Technische Universität Berlin Hardenbergstrasse 36 10623 Berlin

Stabilizing ordering instead of randomness in alloy semiconductor materials is a powerful means to change their physical properties. We used scanning tunneling and transmission electron microscopies to reveal the existence of an unrecognized ordering in ternary III-V materials. The lazarevicite short-range order, found in the shell of InAs1−xSbx nanowires, is driven by the strong Sb-Sb repulsion along 〈110〉 atomic chains during their incorporation on unreconstructed {110} sidewalls. Its spontaneous formation under group-III-rich conditions of growth offers the prospect to broaden the limited classes of ordered structures occurring in III-V semiconductor alloys.

关键词： Crystal structure Nanowires Density functional theory Scanning tunneling microscopy Transmission electron microscopy

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A High Performance Ag Alloyed Nano-scale n-type Bi 2 Te 3 Based Thermoelectric Material

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Materials Today: Proceedings 2015年第2期2卷 610-619页

作者： Si Chen Nikolaos Logothetis Lilei Ye Johan Liu SMIT Center School of Automation and Mechanical Engineering Key Laboratory of Advanced Display and System Applications Shanghai University No. 149 Yanchang Road Shanghai 200072 P. R. China Bionano Systems Laboratory Department of Microtechnology and Nanoscience Chalmers University of Technology Kemivägen 9 41296 Gothenburg Sweden SHT Smart High-Tech AB Aschebergsgatan 46 411 33 Gothenburg Sweden

A silver alloyed n-type bismuth telluride (Bi 2 Te 3 )thermoelectric (TE) bulk material with nano crystalline structure was studied and characterized in this paper. The Bi 2 Te 3 nanopowders used in this study were first fabricated viaa patented explosion based process. Then, the various concentrations of Ag nanoparticles (0-20 wt. %) were added into the Bi 2 Te 3 nanopowders in order to increase the electrical conductivity. Combining the benefits of high electrical conductivity (1.51×10 5 S·m -1 ) and low thermal conductivity (0.441 W·m -1 ·K -1 ), the dimensionless figure of merit (ZT value) of 1.48 for this n-type Bi 2 Te 3 TE material is achieved at 300 K temperature.

关键词： Thermoelectric Bismuth-Telluride Silver Nano-scale Nanoparticles

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High-efficiency, broad-band and wide-angle optical absorption in ultra-thin organic photovoltaic devices

High-efficiency, broad-band and wide-angle optical absorptio...

引用

作者： Wang, Wenyan Hao, Yuying Cui, Yanxia Tian, Ximin Zhang, Ye Wang, Hua Shi, Fang Wei, Bin Huang, Wei Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan 030024 China Key Laboratory of Interface Science and Engineering in Advanced Materials Taiyuan University of Technology Taiyuan 030024 China Key Laboratory of Advanced Display and System Applications Ministry of Education Shanghai University Yanchang Road 149 Shanghai 200072 China Nanjing 210046 China

Metal nanogratings as one of the promising architectures for effective light trapping in organic photovoltaics (OPVs) have been actively studied over the past decade. Here we designed a novel metal nanowall grating with ultra-small period and ultra-high aspect-ratio as the back electrode of the OPV device. Such grating results in the strong hot spot effect in-between the neighboring nanowalls and the localized surface plasmon effect at the corners of nanowalls. These combined effects make the integrated absorption efficiency of light over the wavelength range from 400 to 650 nm in the active layer for the proposed structure, with respect to the equivalent planar structure, increases by 102% at TM polarization and by 36.5% at the TM/TE hybrid polarization, respectively. Moreover, it is noted that the hot spot effect in the proposed structure is more effective for ultra-thin active layers, which is very favorable for the exciton dissociation and charge collection. Therefore such a nanowall grating is expected to improve the overall performance of OPV devices. © 2014 Optical Society of America.

关键词： Light absorption

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Modulation waveform cycle normalization based unipolar SPWM controller

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2013 3rd International Symposium on Chemical Engineering and Material Properties, ISCEMP 2013

作者： Jiang, Chao Hu, Yue Li Zhang, Ke Ke Cao, Yang Key Laboratory of Advanced Display and System Application Shanghai University Shanghai 200072 China School of Mechatronic Engineering and Automation Shanghai University Shanghai 200072 China

ISBN: (纸本)9783037858363

The thesis mainly proposed a novel design method for Sinusoidal Pulse Width Modulation (SPWM) controller based on modulation waveform cycle normalization. T is the period of sinusoidal modulation waveform, and T/n is the cycle of triangular carrier. Shift registers and adders of SPWM controller were designed to translate the 2n numerical value for SPWM waveform on-off switching points, which were calculated offline, to control the level of the outpout SPWM waveform,which is the key point of modulation waveform cycle normalization, hi the thesis RTL function simulation verification by ModelSim and testing for FPGA have been achieved successfully. The results show that the novel SPWM controller is reliable, which has practical significance. © (2013) Trans Tech Publications, Switzerland.

关键词： Shift registers

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