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

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226 articles

Double digital watermarking algorithm based on SVD - DFT technologies

Shao-hua Zheng, Cai Yun Xu, Xiao-gen Pei
In view of the current most based on Fourier transform domain method, its resist geometric attacks performance is very good, the embedded information is also big, but there are shearing attack ability is bad problems, and put forward a kind of based on singular value decomposition and discrete Fourier...

Study on new gray transformation of infrared image based on visual property

Dai Shaosheng, Li Xingfu, Du Zhihui, Zhang Bin, Huang Xinlin
Since the infrared image has disadvantages such as narrow gray distribution, low contrast and blurred vision effects, a new method of gray transformation of infrared image based on human visual property is proposed. The method aims to transform the gray distribution of infrared object to the sensitive...

Topology structures of the families of gray images

Wu N.
Let L be a subspace of Euclidean Space E1. USC(X,L) denote all regions below of upper semi-continuous maps from X to L and C(X,L) denote all regions below of continuous maps from X to L. For an infinite compact metric space X, USC(X,I) with Vietoris topology is homeomorphic to Hilbert cube Q and C(X,I)...

Efficient and effective JPEG compressed domain image retrieval

Schaefer Gerald
Content-based image retrieval(CBIR) has been an active research area for more than two decades. However, while almost all images are stored in compressed form, the vast majority of CBIR algorithms operate in the (uncompressed) pixel do-main. This not only leads to a computational overhead for feature...

Performance Evaluation of Geometric Feature Descriptors with Application to Classification of Small-Size Lung Nodules in Low Dose CT

Amal A. Farag
Object modeling is a multifaceted and active area of research in image analysis, manufacturing, and computational geometry. In image analysis, the focus of this paper, objects may be described in terms of their shape and appearance. Geometric features that are invariant to scale, rotation and translation...

An Efficient Moving Target Tracking Strategy Based on OpenCV and CAMShift Theory

Li Dongyu
Image movement involved background movement and target movement. The complexities of movement increased the difficulty of target tracking. This study was implemented in the Window platform and the Microsoft visual C compiler environment, and used camera as a video capture device. The system of moving...

The Simulation of the Chirp-Z Transform Based on MATLAB GUI

Huang Yongping, Li Caixia, Tian Xiuli
The Chirp-Z transform (CZT) algorithm is a digital signal processing algorithm, it is applicable to the general case calculating limited width of the Z-transform along the spiral curve. The CZT is more flexible than the Fast Fourier transform (FFT) in calculating the frequency spectrum, so it is used...

Hydrocarbon-induced clay and carbonate minerals interpretation in Songliao Basin using ASTER data

Zhang Guifang, Shao Zhenqiang, Huang Yuanhua
Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data were used to interpret hydrocarbon-induced clay and carbonate minerals in northwestern Songliao Basin, northeast China. Principal component analysis (PCA), band ratioing, and density slicing were adopted to distinguish the goal...

The Detection of Container Body Base on Multiple Features

Ziyi Chen, Yinxi Zheng, Junhao Wang, Lisheng Wang
Since the 20th century, the global container transportation is developing very quickly. Unfortunately, although many container terminals have adopted modern management, the character recognition of containers still need the operation of manual read and manual record, which will not only cause the operation...

Oriented bicyclic graphs whose skew spectral radius does not exceed 2

Ji Jia-Hui, Xu Guang-Hui
Let S(Gs ) be the skew-adjacency matrix of the oriented graph Gs of order n and l1;l2; ¢ ¢ ¢ ;ln be all eigenvalues of S(Gs ). The skew-spectral radius rs(Gs ) of Gs is defined as maxfjl1j; jl2j; ¢ ¢ ¢ ; jlnjg. In this paper, we investigate oriented bicyclic graphs whose skew-spectral radius does not...

An Adapted Multi-way Tree with Holder-chain for Large Scale P2P VoD System

Liu Pingshan, Huang Guimin, Zhou Ya, Zhang Huibing, Liu Siyun
Peer-to-Peer Video-on-demand (P2P VoD) systems have attracted great interest in research community. Many hybrid methods have been proposed to provide high-quality video-on-demand services to support VCR-like operations, which can scale to large population of users. In this paper, we propose a hybrid...

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....

The application of ontology model in knowledge retrieval and recommendation

Zhang Liang, Zhang Yuanfeng
The traditional way of keywords-based information retrieval mainly uses string matching to obtain search results. This kind of means ignores the semantic relations between keywords and retrieval results so it is difficult to express the real searching requirement of the users. For the above 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...

An Improved Scout Wireless Localization Algorithm

Shen Bing
The Scout localization algorithm based on probabilistic model employs on-site reference tags to calibrate real-time transmission parameters to provide high localization accuracy. However, this method requires high hardware consumption, due to the deployment of reference tags. Aim to tackle this issue,...

Codebook Design Method Based on Genetic Algorithm for Chinese Continuous Digital Speech Recognition

Wei Yanna, Zhao Liyan
Vector quantization is one of model training and pattern matching technologies with good performance which is applied to speech recognition at present. The traditional Linde-Buzo-Gray (LBG) algorithm is easy to get the local optimal result in the process of codebook design. According to capability of...

K - means multi-threshold image segmentation based on firefly algorithm

Yang Jie, Yang Yang, Yu Weiyu, Feng Jiuchao
This paper presents multi-threshold image segmentation approach based on K-means and firefly algorithm. This approach first use the firefly algorithm based on the characteristics of the groups search for optimization to obtain threshold as K-means initial clustering center. It could effectively overcome...

An Improved Method of Crowd Counting Based on Regression

Jiang Mei, Zhao Yanyun
An improved method of crowd counting based on regression is proposed to support intelligent management over crowd in video surveillance systems. According to the fact that human body has an articulate structure and complicated contours of shape, we propose a new low-level feature, the number of corner...

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...

A Method to Solve Cold-Start Problem in Recommendation System based on Social Network Sub-community and Ontology Decision Model

Chen Meng, Yang Cheng, Chen Jiechao, Yi Peng
The paper presents a method to solve Cold-start problem in collaborative filtering recommendation system. Social sub-community is divided following analyzing exiting users’ history data and mining relationship between each other. Then ontology decision model is built in the basis of sub-community and...

A Comparative Study on Statistical Classification Methods in Relation Extraction

Zhang Xiaofeng, Gao Zhiqiang, Gui Yaocheng
This paper is a comparative study of statistical classification approaches in relation extraction and classification. The focus is on multiclass classification, not on sequence labeling. Five methods are evaluated, including naive Bayes (NB), decision tree (DT), k-nearest neighbor (kNN), support vector...

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...

An Image Edge Detection Method Based on Mathematical Morphology

Xiaoping Ji, Haibin Zhang, Dazhi Zhang, Boying Wu
We present two kinds of improved morphological edge detectors according to: the characteristics of the classical morphological operators and the disadvantages of the single structural elements selected. The structure of the first improved operator considers multi-structural elements and omni-directional...

A 2.4 GHz 1V Low Power LNA in Subthreshold Region

Liu Hangji, Li Zhiqun, Zhang Meng
Thispaper presents the analysis and design of a 1V lowpower differential low noise amplifier (LNA) in 0.18 µm RF CMOS technology for 2.4 GHz WSN applications.The circuit benefits from subthreshold region and gm-boosting techniques. These techniques provide a high gain andreducenoise figure (NF) and power...

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...

A new public key cryptograhpy system based on hyperbolic curve over finite field

Liu Xiaoqin, Zheng Qi, Yang Jianhua, Wang Lu, Zhang Tong, Li Tao, Wang Rui
In this paper, we propose a new technology that improves Diffie-Hellman’s safeness and keeps its good property.The technology is called “Hyperbolic Curve Cryptography System” (HCCS) which is designed on hyperbolic curve over finite filed. HCCS has a solid Abel group structure whose order is diverse over...

A Video Zero-watermark Algorithm Based on the Contourlet Transform

Chen Xuesong, Bu Guanglong, Li Haotian, Bi Hongbo
A video zero-watermark algorithm is proposed based on Contourlet transform, which has been hailed as the "real" tool to capture the geometric structure of the two-dimensional signal. The algorithm uses Contourlet transform to deal with each frame image of the original video, and select the low frequency...

MIMO-OFDM System Estimation via Three-Dimensional Channel Decomposition

Gong Guoqiang, Liu Junqing
This paper presents the analytic multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system model over correlated block fading channel using tensor. In order to reduce the estimated channel parameters, an algorithm of single value decomposition (SVD) is adopted to decompose...

A Vehicle Counting Algorithm Using Foreground Detection in Traffic Videos

Zhang Linbo, Wang Feng, Hu Ming, Shi Lei, Liang Long
Vehicle counting in traffic videos plays an essential role in traffic surveillance system. It can provide some important traffic information such as congestion level and statistical analysis of traffic flow. In this paper, a novel vehicle counting strategy, which is based on foreground detection algorithm...

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...

A Prediction-Based Transcoding System for Video Conference in Cloud Computing

Chen Yongquan
We design a transcoding system that can provide dynamic transcoding services for various types of video conferencing clients. It can be deployed to many kinds of cloud computing platform and the scheduler can change the setting of any transcoding task to achieve adaptive transcoding requirement form...

Interactive Computer Music with Graphical Control by Using Android Phone for Audiovisual Installation Art Applications

Liu Tsung-Ching, Lin I-Hon
Interactive music using Max/Msp has been extensively used. The Java environment allows for interface of Max/ Msp to other software and firmware applications much easier. In this paper we will demonstrate the integration of Android phones, Arduino micro-controller, Max/Msp and Processing under Java environment...

The Research of Print-scan Resistant Watermarking Based on two-dimension code

Lei Zhang, Liang Lu, Peng Lu
This paper applied two-dimension code in image watermarking, according to the high recognition performance and robustness of two-dimension code, the digital watermarking information was converted into the two-dimensional code and embedded in original image, after attacking watermark-image, the attacked...

A Brief Modeling Study on Business and Operation Support System for Cable TV Networks Service Provider Based on ETOM

Ma Lei, Hu YangSheng, Jia QiNan, Zhang Jun, He JianFeng
The establishment of a united operation platform with multi-operation management, which basically includes DTV, data traffic, VOD, CMTS, VAS and some multimedia applications, is urgent demanded by Chinese cable TV networks service providers during the conversion of Television digitization which is treated...

An Improved Single Image Haze Removal Algorithm Based on Dark Channel Prior and Histogram Specification

Zhu Qingsong, Yang Shuai, Xie Yaoqin
We introduce an improved single image haze removal algorithm, which combines dark channel prior (DCP) and histogram specification. First, the dark channel prior knowledge proposed by Kaiming He is analyzed and a conclusionis drawn that the haze removal image based on dark channel prior will have a ten-dency...

An efficient iteratively reweighted L1-minimization for image reconstruction from compressed sensing

Xie Zhengguang, Li Hongjun, Li Yunhua
We proposed a simple and efficient iteratively reweighted algorithm to improve the recovery performance for image reconstruction from compressive sensing(CS). The numerical experiential results demonstrate that the new proposed method outperforms in image quality and computation complexity, compared...

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...

Analysis of Digital Rights Management for the Consumer Behaviors and the Implications for the Digital Content Industry

Li Xiong, Peng Chen
With the rapid development of ICT technologies, the digital content copyright infringement has become more and more convenient and common. As a result, DRM (digital rights management) are introduced in order to protect all kinds of digital content from being pirated. This paper researches the controversial...

Lyric Oriented Rhythmic Framework Generating for Automatic Chinese Song Composition

Wu Hao, Xie Lu, Wu Xihong
This paper proposes a lyric oriented rhythm framework generating (LORFG) method for automatic Chinese song composition. For a given lyric, this method constructs a rhythmic framework, in which each linguistic prosodic unit (such as sentence, prosodic phrase, prosodic word, and Chinese characters) in...

Blood Pressure and Heart Rate Changes in Different Body Figures during Submaximal Exercise

Yi Rujia, Zhang Jianan, Ye Xiaolu, Xie Yong, Zou Fengyuan
In order to analyze blood pressure and heart rate changes during submaximal exercise in different body figures, 36 female college students underwent treadmill exercise with heart rate being monitored and blood pressure measured before, immediately after and 10 minutes after exercise. Correlation analysis...

A Method of Universal Steganalysis Using Independence with Image Format

Zhang Qiuyu, Shang Qichang, Dong Ruihong, Yan Yan, Zuo Hangzhou
A new universal steganalysis method based on statistical characteristic of multi-domain features extraction is proposed in this paper, mainly aimed at detecting hidden information in images with multiple common formats. Features are firstly extracted in contourlet domain and extended to spatial domain...

Reference-Driven Compressed Sensing MR Image Reconstruction with Partially Known Support and Group Sparsity Constraints

Dong Yize, Du Huiqian, Zhao Di, Han Yu, Mei Wenbo
Applying compressed sensing (CS) to magnetic resonance imaging (MRI) makes it possible to reconstruct a MR image from undersampled data. Traditional CS based MR image reconstruction schemes only use the signals’ sparsity in an appropriate transform domain to reduce sampling rate. This paper proposes...

Research on the realization of 3D urban traffic simulation system

Cao ZhongHua, Tang QuanHua, Liu YuangChun
This paper makes an intensive study of the realizations and related key technologies in the 3D urban traffic simulation system. First, the system can quickly edit the scenes of the 3D urban, including buildings, roads, etc. It describes the roads using the graph structure, then, the constrained Delaunay...

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...

Algorithm of Blind Pixels Detection for IRFPA Based on Integration Time Adjustment

Dai Shaosheng, Liu Yongqiang, Du Zhihui, Xu Fei
In order to effectively detect blind pixels for Infrared Focal Plane Array (IRFPA), this paper provides a new algorithm of blind pixels detection. The algorithm realizes blind pixels detection by distinguishing responsivity between effective pixels and ineffective pixels in different integration time...

CONTENT BASED ADAPTIVE SOCCER VIDEO TRANSMISSION USING QUALITY OF PERCEPTION RANKING

Hu Shenghong
The content based adaptive video transmission (CBAVT) plays a key role in the user oriented multimedia communication, which aims at mapping the importance criterion of user perceived contents to adaptive transmission at different network Quality of Service (QoS). Based on the compositions of information...

Study on Quantitative Retrieval of Soil Organic Matter Based on Bare Soil Spectrum

Wang Jinliang, Qin Qiming, Dong Heng, Chen Chao, Meng Qingye
As we know, soil organic matter (SOM) is very important to the plant, especially for the crop. How to quickly access the information of SOM has become a major problem faced by many researchers. Now hyperspectral remote sensing technology became more and more useful in the retrieval of SOM. In this paper,...

Effect of HMM Parameter on Robustness of Chinese Isolated Words Recognition

De Liu, Mingjiang Wang, Zejun Wu
The characteristics of speech signals are stable in short-term but unstable in long-term, so speech sequence modeling method based on Markov Chain can more effectively represent the feature of speech signals. According to some basic modeling unit, this method can also constructs sentence model of continuous...

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...