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Robust watermarking scheme for colour images using radius-weighted mean based on integer wavelet transform 7

Robust watermarking scheme for colour images using radius-we...

引用

7th international conference on Genetic and Evolutionary Computing, ICGEC 2013

作者： Yang, Ching-Yu Dept. of Computer Science and Information Engineering National Penghu University of Science and Technology Penghu Taiwan

ISBN: (纸本)9783319017808

based on integer wavelet transform (IWT), the author uses the radius-weighted mean (RWM) and proposes a robust color image watermarking scheme. More specifically, by employing the Euclidean distance of the RWM and mean, a watermark (or copyright logo) is effectively embedded into the low-low subband of the IWT domain. Experiments confirm that the marked images generated by the proposed method are robust against manipulations such as JPEG, JPEG2000, color quantization, noise additions, cropping, (edge) sharpening, and so on. In addition, the resultant perceived quality is good and the payload is not bad while our peak signal-to-noise ratio (PSNR) is better than existing techniques. © Springer international Publishing Switzerland 2014.

关键词： signal to noise ratio

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The design of library management system based on internet of things and hand lines recognition system 2

The design of library management system based on internet of...

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2nd international conference on Renewable Energy and Environmental technology, REET 2014

作者： Fang, Wang Wuhan University of Science and Technology Library Library #947 Heping Avenue Wuhan QingshanHubei China

ISBN: (纸本)9783038352860

For an ordinary individual biometric systems and technology, such as fingerprint recognition, palm recognition, face recognition or iris recognition, or late detection from a single object has crippled so that they have the characteristics of unity and limitations, this paper combining fingerprint and hand palm pattern recognition technology, taking into account the complexity of the image pattern and diversity, we propose a dual recognition algorithm, which greatly makes up for lack of a single fingerprint or palm print recognition method. The technology used in library management system than traditional card-borrowed books have higher efficiency and save manpower and material resources. After the experimental statistics, and achieved the desired results, not only improve the recognition efficiency, but also to ensure the accuracy of the recognition performance. © (2014) Trans Tech Publications, Switzerland.

关键词： Palmprint recognition

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Performance improvement of set partitioning embedded block algorithm for still image compression

Performance improvement of set partitioning embedded block a...

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27th international conference on Industrial, Engineering and Other Applications of Applied Intelligent systems, IEA/AIE 2014

作者： Guo, Shu-Mei Lee, Yun-Wei Hsu, Chih-Yuan Guo, Shy-Jen Department of Computer Science and Information Engineering National Cheng Kung University Tainan 701 Taiwan Department of International Trade National Taichung University of Science and Technology Taichung 404 Taiwan

ISBN: (纸本)9783319074665

The set partitioning embedded block (SPECK) algorithm is a fast and efficient technique for still image compression. In this paper, we propose a novel wavelet-based coding scheme, called prepartition SPECK (PSPECK), on the extension of SPECK. In order to improve the peak signal-to-noise ratio (PSNR) performance, we predict the significance of each set in the list of insignificant sets (LIS) by exploiting inter-subband correlation for reducing the bit budget. Furthermore, the proposed method can be combined with other quadtree-based coding techniques. Experimental results show that the proposed method outperforms SPECK, especially at high bit rates. © 2014 Springer international Publishing Switzerland.

关键词： Discrete wavelet transforms

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Background subtraction and movement detection algorithms in dynamic environments – An evaluation for automated threat recognition systems 5

Background subtraction and movement detection algorithms in ...

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5th international conference in image Processing and Communications, IP&C 2013

作者： Flizikowski, Adam Maszewski, Miroslaw Wachowiak, Marcin Taberski, Grzegorz University of Technology and Life Sciences Bydgoszcz Poland ITTI Ltd Poznan Poland Adam Mickiewicz University Poznan Poland

ISBN: (纸本)9783319016214

A background subtraction and movement detection is a very popular subject of investigation in the video processing domain. Despite number of already proposed algorithms and methods the question of suitability of such algorithms in dynamically changing, realistic environment holds (e.g. parking lots). In this paper authors compare three different implementations of the saliency-based algorithms and Gaussian Mixture Model algorithm for different cameras on a parking lot. Authors show that matching algorithms to the scene can be improved by managing semantic knowledge about the scene. © Springer international Publishing Switzerland 2014.

关键词： signal detection

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Robust medical image watermarking scheme with rotation correction 1

Robust medical image watermarking scheme with rotation corre...

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1st Euro-China conference on Intelligent Data Analysis and Applications, ECC 2014

作者： Gao, Lin Gao, Tiegang Sheng, Guorui Zhang, Shun College of Software Nankai University Tianjin China

ISBN: (纸本)9783319077727

In order to protect the image contents, many reversible medical image watermarking schemes have been proposed, although reversibility guaranteed the lossless of the cover image, but it also has some shortcomings such as it is vulnerable to geometrical attacks. So a novel robust watermarking scheme for medical image based on the combination Redundancy Discrete Wavelet Transform (RDWT) and Singular Value Decomposition (SVD) is proposed in this letter. Different from the reversibility, which guarantees the perceptional lossless, the proposed scheme achieves satisfied visual quality by exploiting the visually masking property of RDWT, in the meantime, Speeded-Up Robust Features (SURF) and Random sample consensus (RANSAC) based rotation correction scheme is put forward, which can be used to restore the attacked image to the original state. The experimental results show that the proposed scheme has the large amounts of embedding capacity;it is also robust against rotation attacks;and the perceptional quality of watermarked image meets the need of usage in medical images. © 2014 Springer international Publishing Switzerland. All rights reserved.

关键词： Rotation

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Parking navigation system based on the double signal double display intersection vehicle terminal and automobile internal information

Parking navigation system based on the double signal double ...

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2014 2nd international conference on Mechatronics, Robotics and Automation, ICMRA 2014

作者： Xi, Jian Zhong Han, Cheng Chun Department of Information and Electrical Engineering Xuzhou Institute of Technology China Jiangsu Key Laboratory of Large Engineering Equipment Detection and Control China

ISBN: (纸本)9783038350781

In view of more and more complicate driving and parking problems in urban traffic, the parking guidance system are proposed based on a double signal double display intersection vehicle terminal. The system is based on the information interaction between intelligent terminal, vehicle terminal and vehicle of internet, and to introduce the space maze module and automobile internal information, by simulation maze module planning the different target route and its navigation through the intelligent terminal screen, at the same time instant maze module choice and determine the real-time path navigation through the on-board navigator screen, and to improve the accuracy of target navigation. The system will be the target route and real-time route through their channel respectively on the intelligent terminal and vehicle navigation cross presentation, realize the whole process of target parking navigation, or real-time navigation guidance section step by step according to the real-time parking lots, and in order to improve the parking navigation accuracy to provide an effective means of technology. © (2014) Trans Tech Publications, Switzerland.

关键词： Navigation systems

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2013 international conference on Information and Communication technology for education, ICTE 2013

2013 International Conference on Information and Communicati...

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2013 international conference on Information and Communication technology for education, ICTE 2013

The proceedings contain 154 papers. The special focus in this conference is on Circuits and systems, Computers and Information technology, Communication systems, Controls Theory and Applications, Automation and signal Processing, Electrical Power systems and Computer Education. The topics include: Design of a miniaturized power divider for 3G applications;multipurpose laser simulated shooting system;the use of NFC in transportation information system for visually impaired persons;the performance measurement of marine logistics information platform;an automatic analysis system for online hotel reviews;a new automatic analysis system for risk behaviors;analysis of virtual desktop remote protocol;low-resolution surface simplification using shape operators with large-scale surface analysis;an efficiently orderable encryption in cloud computing;analysis of examination questions and scores by using decision tree algorithm;a detection and track algorithm for moving dim targets in deep space;a detection and track algorithm for moving dim targets in deep space;electricity market management information system based on the cloud computing;an accelerated image-reconstruction algorithm based on fusion of color and codeword;automatic technology application in China container terminals;improving education through data mining;a new type of 3D reconstruction software system design based on 3D calibration board;improved shuffled frog leaping algorithm for permutation flow shop scheduling;reflection properties of electromagnetic waves from a moving conducting surface;comparative analysis of automatic tortuosity classification algorithms;an emergency medical system based on cloud computing;a novel 3D visualization method for tunnels using consumer digital camera;fault map query using content-based image retrieval;digital video steganalysis based on histogram and texture features;dynamic prediction of individual customer retention;a hardware accelerator approach for quantum computer mod

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Fuzzy connectedness based segmentation of fetal heart from clinical ultrasound images

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2nd international conference on Advanced Computing, Networking and Informatics, ICACNI 2014

作者： Sampath, Sridevi Sivaraj, Nirmala Dhirajlal Gandhi College of Technology Salem Tamilnadu India Muthayammal Engineering College Rasipuram Tamilnadu India

ISBN: (纸本)9783319073521

Congenital Heart Disease(CHD) is one among the most imperative causes of neonatal morbidity and mortality. Nearly 10 percentile of contemporary infant mortality in India is accounted for CHD. It is optimal to use ultrasound imaging modality for scanning the well-being of growing fetus owing to its non-invasive nature. But then several issues such as the manifestation of speckle noise, poor quality of ultrasound images with low signal to noise ratio and rapid movements of anatomically small fetal heart makes ultrasound prenatal diagnosis of cardiac defects as a most challenging task, which can only be done flawlessly by experienced radiologists. This paper demonstrates testing the method of fuzzy connectedness based image segmentation to detect the fetal heart structures from ultrasound image sequences. The proposed work involves Probabilistic Patch based Maximum Likelihood Estimation(PPBMLE) based image denoising technique as a pre-processing step to remove the inherent speckle noise present in ultrasound images. The second step is use of Fuzzy connectedness based image segmentation algorithm with predefined seed points selected manually inside the fetal heart structure. The results of Matlab based simulation on fetal heart ultrasound dataset proves that the combination of above mentioned image processing techniques was predominantly successful in delineating the fetal heart structures. Quantitative results of the proposed work is apparently shown to illustrate the efficacy of the PPBMLE preprocessing technique. © Springer international Publishing Switzerland 2014.

关键词： image segmentation

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Fake Iris Detection: A Comparison between Near-Infrared and Visible images

Fake Iris Detection: A Comparison between Near-Infrared and ...

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international IEEE conference on signal-image Technologies and internet-based System

作者： Fernando Alonso-Fernandez Josef Bigun School of Information Science Computer and Electrical Engineering Halmstad University Halmstad SE Sweden

Fake iris detection has been studied so far using near-infrared sensors (NIR), which provide grey scale-images, i.e. With luminance information only. Here, we incorporate into the analysis images captured in visible range, with color information, and perform comparative experiments between the two types of data. We employ Gray-Level Cocurrence textural features and SVM classifiers. These features analyze various image properties related with contrast, pixel regularity, and pixel co-occurrence statistics. We select the best features with the Sequential Forward Floating Selection (SFFS) algorithm. We also study the effect of extracting features from selected (eye or periocular) regions only. Our experiments are done with fake samples obtained from printed images, which are then presented to the same sensor than the real ones. Results show that fake images captured in NIR range are easier to detect than visible images (even if we down sample NIR images to equate the average size of the iris region between the two databases). We also observe that the best performance with both sensors can be obtained with features extracted from the whole image, showing that not only the eye region, but also the surrounding periocular texture is relevant for fake iris detection. An additional source of improvement with the visible sensor also comes from the use of the three RGB channels, in comparison with the luminance image only. A further analysis also reveals that some features are best suited to one particular sensor than the others.

关键词： Feature extraction Iris recognition Databases Iris image sensors Sensor phenomena and characterization

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3rd international conference on Measurement, Instrumentation and Automation, ICMIA 2014

3rd International Conference on Measurement, Instrumentation...

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ISBN: (纸本)9783038351382

The proceedings contain 380 papers. The special focus in this conference is on Measurement, Instrumentation and Automation. The topics include: A method of test point optimization selection for analog circuits;analysis of the formation mechanism of crack network in shale by CT;bearing replacement monitoring technology of rail transit bridge in Beijing;characterization of a magnetic field probe for electromagnetic interference current measurement;internet system of cognitive diagnosis measurement for mixed scoring S-P chart and its applications;laser wave-front measuring based on quadri-wave lateral shearing interferometry;studies on the optical measuring system for grape stem diameter;study of optical coherence theory in measurement;the displacement measurement of ground wind loads for launch vehicle;the research of GPS elevation fitting considering the influence of covariance function;knock detection and evaluation of kerosene piston engine;the oxygen concentration measurement of an aircraft fuel tank inerting system;simulation research of charged particle discrimination methods;analysis of energy loss-gain error in discrete Fourier transform;rapid power quality detection based on generalized HS-transform;semiparametric regression analysis on the AB data with zero-point drift;signatures extraction of ship radiated noise based on passive sonar;split train-induced vibration and seismic wave using independent component analysis;the training algorithm of fuzzy coupled hidden Markov models;weak signal detection method in a stronger noise background;harmonic detection in micro-grid based on modified S-transform;the equipment maintenance technology research based on information;objective speech quality evaluation based on matlab;a new kind of water-squirting ultrasonic detector;cloud particles image playback design;design of dual high precision power signal generator based on AD9854;development of stimulator based on audio-visual feedback signal;key technologies for groun

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