Proceedings of 3rd International Conference on Multimedia Technology(ICMT-13)

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226 articles

A Novel Hole filling method based on Projection onto Convex Set in DIBR

Wang Weiquan, Yang Yingyun, Liang Qian
Depth image based rending (DIBR) is a common technology for synthesis virtual viewpoint in 3DTV. The main problem is how to effectively reduce and fill the holes in the virtual viewpoint. In this paper, a novel hole filling method based on projection onto convex set is proposed to solve this problem....

Design for a Residential Gateway Based on IOT Technology

Guan Shiqiong, Wang Rangding
According to the current application of the IOT technology and the development of the remote meter reading, This paper advances a solution scheme of the residential gateway, which is applied to the meter reading area. Maily analyzes the hardware and software design, and the way to realize the communication...

A novel set of synthesis units with stable spectral boundaries for HMM-based Mandarin speech synthesis system

Jiao Yishan, Xie Xiang, Tu Ming, Na Xingyu, Wang Jing
Co-articulation is a common phenomenon in human speech, which guarantees the speech sound coherent and natural. Synthesized speech, however, often sounds artificial. This is somewhat because of its inability to imitate co-articulation well. This paper defines a novel set of synthesis units to preserve...

Multi-view Video Coding Based on fast inter mode selection

Wang Sen, Yang Yingyun, Wang Huabing
Multiview video coding mode selection is divided into inter mode selection and intra mode selection, This paper by calculating the adaptive threshold and the complexity of inter-frame motion, proposed a fast inter mode selection algorithm based on the motion complexity and texture information. This algorithm...

A Suspect Vehicle Tracking System Based on Video

Chen Yadi, Wang Tuo
Video surveillance systems are widely used in security field. The large amounts of video data make it time-consuming for criminal investigation. Traditional researches conducted on visual analysis are extremely challenging, due to the complexity of scenes, such as large variation in viewing angle and...

The Study on the Segmentation of Remote Sensing Cloud Imagery

Liu Kai, Kou Zheng
The researches on weather system are very complicated because the weather system includes many factors, among which the cloud is a very important factor. Cloud appears with various shapes, different gray scales and not clear boundaries in the remote sensing images. For the active contour model and its...

RTP Encapsulation for Scalable Video Stream and its Application in NS-2 Simulation

Ying Zhou, Jihong Zhang, Wei Liu
Real-time Transport Protocol (RTP) is a widely used protocol providing end-to-end transportation for various media in the real time application. RTP encapsulation of H.264/SVC video data for RTP / RTCP protocol is described. The sequence number and timestamp in the RTP packet header are the basis for...

The Desgin and Implementationof Vertical Search Engine Based on Nutch

Wang Hui, Yan Jianzhuo, Fang Liying, Shi Xinqing, Luo Hairui
For the convenience that users can query information of traditional Chinese medicine in the network of Marine information, the vertical search engine system based on Nutch is designed. Joined Chinese word segmentation to analyze the web page, added a PageRank algorithm to judge the authority value of...

An Algorithm for Impulsive Noise Removal in Color images

Zhang Jianjun, Tang Xuehua
We propose an effective algorithm for impulsive noise removal in color images. The proposed method is a two-phase scheme. In the first phase, an impulse detector is designed to identify color pixels which are likely to be contaminated by noise; in the second phase, the image is restored by using a detail-preserving...

Convergence of Offline Gradient Method with Inner-penalty for Multi-output Feedforward Neural Networks

Zhou Fengqi, Liu Ergen, Xiao Yu
In this paper, we study an offline gradient method with inner-penalty for training multi-output feedforward neural networks. The monotonicity of the error function and weight boundedness for the offline gradient with inner-penalty are presented, both weak and strong convergence results are proved, which...

Action Research Applied in Structural Teaching Materials for Multimedia Programming Course

Wu Chun-Tsai, Chung Szu-Ming
Teaching strategy, materials and objects have great influences on student attainment. For digital content design students, the multimedia programming is a complicated and difficult subject to learn. This study is an action research which goes through the process of reflection, action, and evaluation...

The Design of SIMD Controllers for a Polymorphous Multimedia Processor

Pu Lin, Li Tao, Yi Xueyuan, Han Jungang
The design and implementation of a SIMD controller for a polymorphous array processor is presented in the paper. The polymorphous array processor is intended for graphics and multimedia applications. To meet the needs for efficient data level parallel computation, we use the state machine approach to...

Design of Dual-band Microstrip Circularly-polarized Antenna with High Stable Phase Center

Botian Zhang, Jing Jin, Haoliang Fan, Zhenxin Cao
Dual band, RHCP are essential to satellite receiving antenna and antenna phase center variations are a major error source of satellite navigation and positioning system, which cannot be ignored in high precision surveying applications Based on above application background, this article focuses on the...

Detection of Microaneurysms in Color Retinal Images Using Multi-orientation Sum of Matched Filter

Li Qin, Lu Ruixiang, Miao Shaoguang, You Jane
This paper presents a new method to detect retinal microaneurysms, which are the first sign of diabetic retinopathy (DR). The methods of automatic microaneurysm detection can be generally classified into two groups: filtering based methods and supervised methods. The detection accuracy of the filtering...

Content-Based Image Retrieval Using Texture Structure Histogram

Hou Gang, Feng Qinghe, Zhang Xiaoxue, Kong Jun, Zhang Ming
In this paper, we proposed a novel image feature descriptor, namely texture structure histogram (TSH) for content-based image retrieval. This method using the color and edge orientation information to describe the image texture structure information. Considering the HSV color space conforms to humans'...

The Improvement of PolSAR Speckle Reduction Based on MMSE

Wenguang Wang, Xiaoxia Lin, Kaiqi Liu
Speckle reduction plays an important role in the understanding of SAR images. An improved method is proposed in this paper aiming at solving the complex problem of speckle reduction based on the pre-classification. In this method the Wishart classification is replaced by a simple one, which is based...

A New Fast Algorithm for Image Denoising

Zheng Shixiu, Pan Zhenkuan, Jiang Chunxiao, Wang Guodong
In this paper, the classic TV-L1 model is extended to a hybrid TV-L1 model based on first order and second order derivatives to remove image noises, preserve geometry, contrast and overcome staircase effects. To improve efficien-cy, a fast algorithm based on dual method which is called the Split-Dual...

The Recognition and Localization of Insulators Based on SIFT and RANSAC ;

Zhao Zhenbing, Liu Ning, Yuan Yapeng
The recognition and localization of insulators is a crucial process of insulators’ failure detection, especially under the complex background. With unknown insulators in test image, a method of the recognition and localization of insulators based on SIFT and RANSAC is proposed as following: SIFT (Scale...

A Coutourlet-Based Image Watermarking Using Generalized Gaussian Distribution Model

Zhu Yin-fang
With the increasing demands of copyright protection, digital watermarking has being paid more and more attention. In the design of a watermarking method, the modelling of signal by a general parametric family of statistical distributions plays an important role in many signal processing applications....

Dynamic Analysis of High Dynamic GNSS Signal Based on PMF-FFT

Xia Xuan, Long Haihui, Zhao Jiankang
This paper focus on the GNSS(Global Navigation Satellite System) signal processing based on PMF(Partial Matching Filter)-FFT(Fast Fourier Transform), and a dynamic analysis method of high dynamic GNSS signal is proposed. PMF-FFT has a wide range of applications in GNSS signal acquisition, but no one...

SIMPLE ENCRYPTION ENCODING FOR DATA HIDING AND SECURITY APPLICATIONS

Hussain Md. Anwar
Effective and light weight, in terms of computational requirements robust encryption algorithms are preferable for data hiding and data security applica-tions. Steganography data hiding, watermarking for copy right protection, secure transmission of biometric data to local or remote sites for validation...

Protrusion Guided 3D Mesh Segmentation

Chen Hung-Kuang, Chen Yung-Cheng
Mesh segmentation, as a crucial step in model analysis and understanding, is vital to the success of the applications, e.g., the 3D reverse engineering and modeling by example. A number of recent works suggested segmenting 3D meshes on the basis of the cognitive psychology concept of part salience",...

A Dynamic Centroid Text Classification Approach by Learning from Unlabeled Data

Jiang Cuicui, Zhu Dingju, Jiang Qingshan
The centroid-based classification has proved to be a simple and yet efficient method for text classification. However, the performance of centroid-based classifier depends heavily on the quantity of labeled training set. It is easy and cheap to collect enormous unlabeled data from digital resources,...

Regularized image restoration based on preconditioned conjugate gradient method

Meng Ling, Zhang Bing
Image restoration can be attributed to solving a linear systems and conjugate gradient method is an effective iteration algorithm for solving various linear systems. However the convergence rate of CG method is determined by condition number of coefficient matrix. The level1 and level2 preconditioner...

Study on New DOA Estimation Method based-on ULA Under Gaussian Noise

Dezhi Niu, Changxing Chen, Zhuo Wang, Yanming Zhao, Hui Fu
The DOA (Direction of Arrival) estimation problem ULA (uniform linear array) was studied, and one new LS-ICA method was proposed based on ULA (uniform linear array) under Gaussian noise, which was filtered during signals separation by ICA. With strict mathematic reasoning, steps of the new DOA estimation...

Perceptual Video Streaming Protection Model by Priority Classification in Compress Domain

Xu Weiwei, Tian Xiang, Chen Yaowu
Quality degradation happens when Streaming video transmits over error-prone network. In this paper, a perceptual error protection model is proposed by utilizing the priority assignment schedule with FMO and ARQ. The prioritization is based on the property of human visual system and influence on the end-to-end...

Optimization of Content Placement Scheme for Social Media on Distributed Content Clouds

Zhang Qian, Li Runzhi, Lin Yusong, Wang Zongmin
Social networking applications have been more and more popular. The huge demands of bandwidth and storage for social media have brought great challenges to the network engineering. The recently emerged content clouds shed light on this dilemma. Towards the content placement scheme on clouds, partitioning...

A MODEL TO DESIGN MULTIMEDIA CONTENT FOR INTERACTIVE DOCUMENTATION OF ARCHITECTONIC RESEARCH AND CASE STUDY PROJECTS

Martínez López Víctor Manuel, Sosa Oliver Jorge, Reyes Peralta Fernando Omar
Creating multimedia content for the presentation and register of an architectural project means a synthesis effort to design the information that must be resumed to present a project, or the architectonic documentation in this area of knowledge. One case study is presented to show the advantages of the...

Study on a New Type of Discrete Random Contention System based on Binary Tree Conflict Resolution Algorithm

Guo Yingying, Ding Hongwei, Zhao Yifan, Nan Jing, Song Donghuan, Yu Pingping
This paper proposed a new type of discrete random contention system based on the literature [1], researched it using the average cycle method, then get the formula of the systemic throughput for the new random access protocol by building mathematical modeling; but the uncertainty of random multiple access...

Intelligent water meter with low power consumption based on ZigBee technology

Xie Zhe, Wang Rangding
A design of intelligent water meter with low power consumption is present in this paper. MSP430 MCU and ZigBee module are applied in this design. The management of the water meter and the communication between ZigBee network and family gateway are completed at the same time. A node with low power consumption...

Application of smart antenna in Bei Dou Navigation Satellite System

Shanji Chen, Lin Li
BNSS(BeiDou Navigation Satellite System) is another Globe Positioning System of China with independent intellectual property after GPS(Globe Positioning System-America), GLONASS(Globe Navigation Satellite System-Russia), GALILEO(Europe).It grows quickly. In this paper, a application scheme of smart antenna...

The Classification of Breast Calcification using Texture Feature of Fractal-based and Gabor Wavelet-based

Liu Po-Tsun, Chin Chiun-Li, Chan Jing-Shian, Tsai Hao-Hung
According to the opinions of specialized doctors, being able to accurately classify breast calcification is very important, and with this information available, only then medical treatments can be applied properly. However, for any delay treatment or misdiagnosis, it is very likely as the key attributed...

Logo Localization and Recognition Based on Spatial Pyramid Matching with Color Proportion

Feng Wenya, Chen Zhiqian, Hou Yonggan, Liu Long, Guo Yilin
In this paper, we propose a novel logo localization and recognition model in which we use the spatial pyramid matching with color proportion to train a score function and the Efficient Subwindow Search (ESS) to localize region and recognize specific logo. Our model has two advantages compared with other...

Motion Detection Based on Twice Segmentation

Dong Jiangkai, Yuan Yule, Zhao Yong
Motion detection is widely used in computer intelligent visual processing such as object tracking, object recognition and behavioural analysis. In this paper, Motion vector is adopted in order to get the accurate rough motion region. Motion vector can remove the small false motion objects. Frame difference...

Automatic selection of ROI in multispectral imaging of CMS

Heng Zhang, Cuiying Hu, Qingxia Meng, Jing Zhao
the multispectral imaging used in identification of Chinese medicine slices (CMS) can identify the authenticity of CMS and evaluate their quality by comparing the characteristic spectral curve from spectral cube. In order to apply multispectral imaging to actual application of CMS identification. Automatically...

Intelligent system applications in sales shopping assistance

Chang Jing-Shian, Chin Chiun-Li, Hsu Ya-Ling, Lu Cheng-Che, Chang Hao-Yan, Weng Ting-Wei, Chiang Meng-Hsuan, Liu Po-Tsun
In Taiwan, numerous stores provide rewards points with which customers could earn rewards. Mostly the points were collected in the form of a rewards card. When a customer owns several or even dozens of rewards cards, this point collection system may become very annoying. Therefore, we decided to develop...

Design of 2-3.5GHz Transmitter Front-End

Zhou Qian, Li Zhiqun, Duan Zongming, Wang Zengqi
This paper provides a design of 2-3.5GHz transmitter front-end based on 0.18µm RF CMOS process. The front-end circuits consist of IF single-differential converter (SDC), LO SDC, up-conversion mixer and an output buffer for testing. Under 3.3V power supply, the post-simulation results indicate that the...

A Simple Compressive Sampling Mode and the Recovery of Nature Images Based on Pixel Value Substitution

Shao Wenping, Ni Lin
Compressive Sampling (CS) is a new technique for information acquisition and processing. In this paper we propose a new algorithm based on Pixel Value Substitution (PVS) to reconstruct the nature images when the model of compressive sampling is very simple. By indirectly utilizing the fact that usually...

Improvements of GPU Implementation of Nonlinear Soft Tissue Deformation with CHAI 3D

Shi Yibo, Xiang Hui, Yu Dehai
The contradiction between the speed and the accuracy of soft tissue deformation simulation has challenged developers for decades, especially for nonlinear deformation. In this paper, we propose improvements of the GPU implementation of nonlinear soft tissue deformation with CHAI 3D by decreasing the...

A Robust and Discriminative Feature Representation based on Compact Coding

Yue Jinpeng, Jiang Guang, Hu Hong, Shi Zhongzhi
As human vision system works, the visual features extracted from colours, textures, shapes, etc. are complement and should be synthesized to make a decision. Existing applications mainly base on one kind of features such as the wildly used texture feature. We put forward that complement features should...

GPU-ACCELERATED NON-LOCAL MEANS SUPER-RESOLUTION RECONSTRUCTION

Sun Kongzheng, Li Jiade, Xu Shuyan
Super-resolution is a process via fusing low-resolution image frames to obtain high-resolution images that typically requires highly accurate image registration. The modern non-local means super-resolution algorithm has successfully evaded the problem of image registration. However, its great computational...

Router Design and Implementation for a Polymorphic Multimedia Processor

Yang Ting, Li Tao, Wang Ya-Gang, Qian Bo-Wen, LIU Yu-Rong
The power and design complexity of parallel processors make the inter-core communication mechanism face new requirement and challenges. This paper presents the design of the message passing mechanism and a router for a polymorphic multimedia processor, which employs two mechanisms of data communication,...

ulti-image Super Resolution Reconstruction with Pepper and Salt Noise

Qin Fengqing, Cao Lilan, Zhu Lihong, Yang Wanan
To improve the resolution and reduce the noise in image, a framework of Multi-image super resolution reconstruction with Pepper and Salt noise is proposed. In the low resolution imaging model, the processes of movement, blur, down-sampling and Pepper and Salt noise are considered. Firstly, for the multiple...

The Research of Clustering Algorithm for Wireless Ad Hoc Sensor

Zhang Jiuhua
Stability in wireless ad hoc sensor networks cycle is one of the main evaluation parameters of the system. Network load is balanced and energy is in stable and sustainable is the important guarantee for the stability of the network. Traditional clustering algorithm for ad hoc network can effectively...

Construction of Irregular LDPC Codes by Row Partition

Tao Xiongfei, Zhang Yan, Liu Pan, Hu Zuoqi
In this paper, we propose an approach to construct a class of irregular low-density parity-check (LDPC) codes based on row partition. We divide the rows of LDPC check matrix into subsets and derive an approach to arrange ’1’ in each column to prevent low weight code words. When decoded by iterative algorithm,...

Low-angle Estimation Based on Multi-frequency Maximum Likelihood

Cao Yunhe, Chen Ting, Wang Shenghua
Amony various low-angle estimation methods, MUSIC method and Maximum Likelihood(ML) Method are representative, but the classical MUSIC method can not directly process coherent signal and need spatial smoothing techinique to decorrelate the coherence of the direct and reflected echo, which would reduce...

3D Ballet Motion Tracking from Shape Context by Using Differential Regression

Tong Minglei, Han Hong, Chen Shudong
An improved method, differential regression, is proposed. It is a more powerful discriminative approach for human pose estimation. The proposed methods investigate 3D body pose reconstruction by learning a simply regression between state vector differences and observation vector. A simulation model is...

A Facial Expression Recognition Method for Baby Video Surveillance

Lu Wenping, Li Min, Hao Wenfei, Liu Yu
Facial expression recognition (FER) has been widely used in video surveillance and other fields. In this paper, we built a face image database containing four dif-ferent kinds of infant expressions. Based on the analysis of the features of infants’ eyes and mouths, this paper proposed a method of infant...

An Improved Algorithm based on Palm Print Recognition

Zhang Tong, Zhang Xinghui, Li Tao, Liu Xiaoqin
This paper aims at the deficiency of classical PCA algorithm on only extracting linear palm print features, sufficiently uses the double matching thought of recognition technology to propose a new algorithm which relatively efficient in extracting the classified identification information. The new proposed...

Effective Identification of the MIMO-OFDM Space-Time-Frequency Channel

Gong Guoqiang, Liu Junqing
An effective base expansion model (BEM) decomposition method for multi-input and multi-output (MIMO) channels is proposed. Channel parameter model is proposed to fit the time-varying space-frequency channel, which can be adopted to estimate the MIMO-OFDM channel state information. The result of channel...