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检索条件"任意字段=International Conference on Signal Image Technology and Internet Based Systems"

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Classification of Hyperspectral images based on Intrinsic image Decomposition and Deep Convolutional Neural Network

Classification of Hyperspectral Images based on Intrinsic Im...

引用

international conference of signal Processing and Intelligent systems (ICSPIS)

作者： Behnam Asghari Beirami Mehdi Mokhtarzade K. N. Toosi University of Technology Tehran Iran

ISBN: (数字)9781728186290

ISBN: (纸本)9781728186306

In this paper, a new simple spatial-spectral method is proposed to classify hyperspectral images. It is based on the combination of a deep convolutional neural network (DCNN) and intrinsic image decomposition (IID). First, the dimensionality of the hyperspectral image is reduced based on a band grouping technique and mean operator. Afterward, albedo and shading components of these reduced features are recovered. Finally, stacked albedo and shading components are classified by DCNN. Experiments are applied to Pavia University's hyperspectral image from an urban area. Classification accuracy of the proposed method with only 1% of training data can reach about 99%, which is prominent according to state-of-the-art methods.

关键词： Urban areas Training data signal processing image decomposition Convolutional neural networks Intelligent systems Hyperspectral imaging

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Cultural Computing 1

引用

丛书名： IFIP Advances in Information and Communication technology

1000年

作者： Ryohei Nakatsu Naoko Tosa Fazel Naghdy Kok Wai Wong Philippe Codognet

ISBN: (数字)9783642152146

ISBN: (纸本)9783642152139;9783642423154

Welcome to the Second international IFIP Entertainment Computing Symposium on st Cultural Computing (ECS 2010), which was part of the 21 IFIP World Computer Congress, held in Brisbane, Australia during September 21–23, 2010. On behalf of the people who made this conference happen, we wish to welcome you to this inter- tional event. The IFIP World Computer Congress has offered an opportunity for researchers and practitioners to present their findings and research results in several prominent areas of computer science and engineering. In the last World Computer Congress, WCC 2008, held in Milan, Italy in September 2008, IFIP launched a new initiative focused on all the relevant issues concerning computing and entertainment. As a - sult, the two-day technical program of the First Entertainment Computing Symposium (ECS 2008) provided a forum to address, explore and exchange information on the state of the art of computer-based entertainment and allied technologies, their design and use, and their impact on society. based on the success of ECS 2008, at this Second IFIP Entertainment Computing Symposium (ECS 2010), our challenge was to focus on a new area in entertainment computing: cultural computing.

关键词： User Interfaces and Human Computer Interaction Computer Engineering Information systems Applications (incl. internet) Computer Graphics Multimedia Information systems image Processing and Computer Vision

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Learning region weighting from relevance feedback in image retrieval

Learning region weighting from relevance feedback in image r...

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international conference on Acoustics, Speech, and signal Processing (ICASSP)

作者： Feng Jing Mingjing Li Hong-Jiang Zhang Bo Zhang State Key Laboratory of Intelligent Technology and Systems Beijing China Microsoft Research Asia Beijing China

ISBN: (纸本)0780374029

The region-based approach to image retrieval has emerged as one of the most active research directions in the past few years. There are two crucial problems in the region-based systems: the weighting of regions and the use of relevance feedback. The former plays an important role in computing the region-based similarity of two images, while the latter can improve the efficiency and effectiveness of any CBIR system, if properly employed. In this paper, we propose Key-Region, a novel region weighting scheme that is based on the user's relevance feedback information. The region weight that coincides with human perception can not only be used in a query session, but also be memorized and accumulated for future queries. Experimental results on a database of about 10,000 general-purposed images show the effectiveness of our weighting scheme.

关键词： Frequency measurement image segmentation Radio frequency Navigation Weight measurement

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VSIPL: an object-based open standard API for vector, signal, and image processing

VSIPL: an object-based open standard API for vector, signal,...

引用

international conference on Acoustics, Speech, and signal Processing (ICASSP)

作者： R. Janka R. Judd J. Lebak M. Richards D. Campbell Design Systems Cadence Atlanta GA USA SPAWAR Systems Center U.S. Navy San Diego CA USA MIT Lincoln Laboratories Lexington MA USA Georgia Tech Research Institute Georgia Institute of Technology Atlanta GA USA

VSIPL, the Vector, signal, and image Processing Library, is an open standard application programmer's interface (API) for signal and image processing. Defined by a consortium of industry, government, and academic representatives, VSIPL is gaining widespread acceptance as a de facto standard in the embedded signal processing world. The primary goal of the API is to increase the portability of vector signal processing, matrix signal processing, and image processing applications. We present an overview of the design, features, and availability of the VSIPL API.

关键词： signal processing image processing Workstations Application software Hardware signal design Libraries Government Military standards Educational institutions

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Performance evaluation and comparison of modified denoising method and the local adaptive wavelet image denoising method

Performance evaluation and comparison of modified denoising ...

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international conference on Intelligent systems and signal Processing (ISSP)

作者： Jignasa M. Parmar S. A. Patil Department of Electronics and Telecommunication R. C. Patel Institute of Technology Dist-Dhule MS India

ISBN: (纸本)9781479903160

Removal of noise is an important step in the image restoration process, but denoising of image remains a challenging problem in recent research associate with image processing. Denoising is used to remove the noise from corrupted image, while retaining the edges and other detailed features as much as possible. This noise gets introduced during acquisition, transmission & reception and storage & retrieval processes. In this paper, to find out denoised image the modified denoising method and the local adaptive wavelet image denoising method can be used. The noisy image is denoised by modified denoising method which is based on wavelet domain and spatial domain and the local adaptive wavelet image denoising method which is based on wavelet domain. In this paper, we have evaluated and compared performances of modified denoising method and the local adaptive wavelet image denoising method. These methods are compared with other based on PSNR (Peak signal to noise ratio) between original image and noisy image and PSNR between original image and denoised image. Simulation and experiment results for an image demonstrate that RMSE of the local adaptive wavelet image denoising method is least as compare to modified denoising method and the PSNR of the local adaptive wavelet image denoising method is high than other method. Therefore, the image after denoising has a better visual effect. In this paper, these two methods are implemented by using MATLAB for denoising of image.

关键词： Wiener filters Wavelet transforms image denoising Wavelet domain PSNR

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Blockchain-based Secure Storage System for Medical image Data

Blockchain-based Secure Storage System for Medical Image Dat...

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Electronic Communications, internet of Things and Big Data (ICEIB), international conference on

作者： Chu-Hsing Lin Sin-Ping Li Yu-Chiao Lin Chiao-Hsu Tsai Department of Computer Science Tunghai University Taichung Taiwan China Medical University Hospital Taichung Taiwan

A large number of patient images are generated every day in medical applications such as ultrasound, Computer Tomography scans, X-Ray, and so on. Medical data is related to patient privacy and personal rights. Thus, the security and privacy of medical images become an important issue. In order to comply with the regulations of the Personal Data Protection Act, medical images need to be protected under a secure method. Therefore, we proposed a secure storage method for chest X-Ray images from Kaggle based on blockchain technology. We developed a smart contract to control role-based access permissions and authenticate medical images. We performed a cryptographic operation on the X-Ray image after each medical examination and stored the image fingerprint in the blockchain. Artificial intelligence was used to identify pneumonia-related diseases. We compared the required X-Ray retrieval time with the conventional PACS systems. The experimental results showed that the overhead of the proposed scheme using blockchain was only about 5 %.

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Research of technology About Video Control based on Real-Time Transmission

Research of Technology About Video Control Based on Real-Tim...

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international conference on Information systems and Computer Aided Education (ICISCAE)

作者： Haoxue Wang Jinglan Li Huaiqiang Liu Linyi University Linyi China

ISBN: (数字)9798350350760

ISBN: (纸本)9798350350777

With the increasing demand for multimedia on the internet, video technology has gradually become the mainstream of multimedia transmission on the internet. In order to avoid overflow and underflow of buffer in transmission and to ensure the continuity of image of human visual pair, this paper proposes an algorithm to force the transmission rate to be adjusted, considering that the video bit rate cannot be completely the same as the change of network bandwidth. Combining with the characteristics of VTP adaptive coding and packaging scheme, an improved packaging scheme is proposed for real-time video control. The experimental results of end-to-end video transmission system show that video transmission control technology can improve packet loss rate and real-time transmission.

关键词： Visualization Force Bit rate Packet loss Bandwidth Streaming media Packaging Real-time systems internet Information systems

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An integrated multiple-substream unequal error protection and error concealment algorithm for internet video applications

An integrated multiple-substream unequal error protection an...

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IEEE international conference on image Processing

作者： Joohee Kim R.M. Mersereau Y. Altunbasak Center for Signal and Image Processing School of Electrical and Computer Engineering Georgia Institute of Technology Atlanta GA USA

This paper presents a coordinated multiple-substream unequal error protection and error concealment algorithm for SPIHT-coded bitstreams transmitted over lossy channels. In the proposed scheme, we divide the video sequence corresponding to a group of pictures into two sub-sequences in the temporal domain and independently encode each sub-sequence with a 3-D SPIHT algorithm to generate two independent substreams. Each substream is protected by an FEC-based unequal error protection algorithm that assigns unequal forward error correction codes for each substream with bit-plane granularity. The information that is lost during transmission for one substream is estimated at the receiver by using the correlation between the two substreams and the smoothness of the video signal. Simulation results show that the proposed multiple-substream UEP algorithm is simple, fast, and robust in hostile network conditions, and that the proposed error concealment algorithm achieves about 1-3 dB PSNR gain over the case where there is no error concealment at high packet loss rates.

关键词： Error correction codes Computer errors Video sequences Streaming media Partitioning algorithms Source coding internet Forward error correction Application software signal processing

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The vision-based metric self-localization of indoor mobile robot using projective geometry

The vision-based metric self-localization of indoor mobile r...

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international conference on signal Processing Proceedings (ICSP)

作者： Fang Qiang Xie Cunxi Dept. of Mechanical Engineering South China University of Technology Guangzhou China

This paper addresses the vision-based self-localization of an indoor service robot worked with a single vehicular camera. based on the principle of projective geometry and the extended virtual image plane, the transverse position and orientation of robot is calculated through considering the image plane and floor plane as a whole. The longitudinal position is acquired by using the monocular stereovision method based on distance constraint along feature points of nature or artificial landmark. After a simple off-line process about landmark, the service robot can work well in a building. The validity and feasibility of the approach have been demonstrated through experiments.

关键词： Mobile robots Computational geometry Robot kinematics Service robots Robot vision systems Cameras Robot sensing systems Machine vision image edge detection Orbital robotics

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Design and implementation of networked real-time control system with image processing capability

Design and implementation of networked real-time control sys...

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UKACC international conference on Control (CONTROL)

作者： Zhao Jun Guo-Ping Liu Center for Control Theory and Guidance Technology Harbin Institute of Technology Harbin China School of Engineering University of South Wales Pontypridd United Kingdom

This paper describes the design and implementation of an OMAP3530-based networked control system which has real-time image processing capability. It integrates an ARM core and a DSP core in the controller. The ARM core with Linux operating system is responsible for applying functional services and the DSP core is responsible for executing image processing algorithms. The due-core structure makes the novel controller available for advanced control and image processing so that the designed control system expands the application of the existed networked controllers to machine vision. Finally, a reliable application for vision-based mobile robot localization demonstrates the effectiveness of the designed system.

关键词： Digital signal processing Real-time systems Software packages Message systems image processing Linux

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