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

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226 articles

Design of Class-D Power Amplifier for WSN Applications

Fan Jun, Li Zhiqun
Wireless sensor networks (WSN) is a wireless network composed of a large quantity of stationary or mobile wireless sensors nodes. This paper presents a power amplifier (PA) design for Wireless Sensor Network (WSN) in the frequency band of 2.4GHz~2.4835 GHzbased on 0.18 m RF CMOS process. The structure...

A Modified Automatic Image Stitching Model for Textile and Garment Research Area

Zhang Qi, Zhang YiHong, Xu Jing
This paper presents some techniques for constructing panoramic image stitching from sequences of images captured by cameras from different angle in garment and textile research area. The image stitching representation associates a transformation matrix with each input image. In this paper, an improved...

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...

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 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...

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...

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...

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...

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...

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...

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...

Simulation and Design of Intravenous Infusion Dripping Rate Detection based on Infrared Ray

Du Qiliang, Liu Jianhao, Tian Lianfang
The main problem for an automatic Intravenous (IV) infusion process control system is the measurement of dripping rate in the drip chamber. This paper utilizes an optical sensor as a solution to this problem. The waveform of the receiver is forecasted by a simple simulation experiment which calculates...

Calligraphy Word Style Recognition by KNN Based Feature Library Filtering

Mao Tianjiao, Wu Jiangqin, Gao Pengcheng, Xia Yang, Lin Yuan
Chinese calligraphy works is a valuable part of the Chinese culture heritage. More and more calligraphy works are digitized, preserved and exhibited in digital library so that people can enjoy the calligraphers’ works conveniently. There are five main writing style categories of calligraphy words, namely,...

Study of Automatic PCB Jack Center Positioning System Based on Machine Vision

Xiong Jun-tao, Li Jin-zhao, Sun Bao-xia, Chen Jian-guo
Make a study of real-time, automatic positioning of Printed Circuit Board (PCB) jack centers. Bwlabel algorithm is used to deal with the PCB images under the condition of backlighting. According to the feature of Bwlabel algorithm extract and match the jack center indexes for every component, calculate...

A Regularization Blind Image Restoration Technique by Using Particle Swarm Optimization

Xuanhua Lei, Qingping Hu, Xiaojian Kong, Tianlin Xiong
Image degradation in laser underwater imaging system is due to the scattering of water. Image restoration is an effective method to improve the quality of image, but its solving process is an ill-posed problem and the solution is not easily obtained in actual applications. A regularization blind image...

An Efficient Graph-Based Algorithm for Fingerprint Representation and Matching

Chen Xiaoguang, Wang Lin, Li Mingyan
This paper presents a novel graph-based algorithm for robust fingerprint recognition, which efficiently improves the approach ``K-plet and CBFS'' proposed by Chikkerur et al at ICB'06. To cope with the crucial problems of nonlinear distortion and partial overlap, a new feature called supplementary associative...

A Novel Framework for Web Pages Classification

Hu Ruiguang, Hu Weiming
In this paper, we propose a novel framework for classifying web pages containing images and text. Valid images are first chosen by the FOrward CompArison of Relative Sizes Sorting(FOCARSS) algorithm, and each valid image is represented by the mid-level feature vector generated by the Bag-Of-Features...

Multimedia Processing and Applications ---Based on visualizing RIA navigation on-Demand service

Hwang Chyi-Wen
When facing the " overabundant" of semantic web information, in this paper, the researcher proposes the hierarchical classification and visualizing RIA (Rich Internet Application) navigation system: Concept Map (CM) + Semantic Structure (SS) + the Knowledge on Demand (KOD) service. The aim of the Multimedia...

A Wideband Variable Gain Amplifier Design for 60GHz Millimeter-wave Receiver

Wu Yue, Li Zhiqun, Li Qin, Wang Zhigong
This paper presents a wideband variable gain amplifier (VGA) applied to 60GHz millimeter-wave receiver with an operating frequency from DC to 1.08GHz and variable gain range from 0dB to 60dB. The entire VGA consists of an 8dB fixed gain stage, a 0~48dB coarse gain control stage, a 0~12dB fine gain control...

Manifold Learning Method for Large Scale Dataset Based on Gradient Descent

Wang Yunhe, Gao Yuan, Xu Chao
Dimension reduction is a research hotspot in recent years, especially manifold learning for high-dimensional data. Cause high-dimensional data have complex nonlinear structures there are many researchers focus on nonlinear methods. The memory cost and running time are too large and difficult to operate...

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 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,...

Split Bregman iteration for hybrid regularization based image restoration

Zhou Weifeng, Li Qingguo, Liang Lin
In this paper, the hybrid regularization based scheme for image restoration is researched in detail. This strategy contains two regularization items, which helps to achieve superior image reconstruction. To quickly minimize the energy functional, we adopt the fast split Bregman iteration method. Numerical...