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检索条件"主题词=transform coding"
10298 条 记 录,以下是4641-4650 订阅
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Dynamic and application-driven I-cache partitioning for low-power embedded multitasking
Dynamic and application-driven I-cache partitioning for low-...
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Symposium on Application Specific Processors, SASP
作者: Mathew Paul Peter Petrov ECE Department University of Maryland College Park USA
The abundance of wireless connectivity and the increased workload complexity have further underlined the importance of energy efficiency for modern embedded applications. The cache memory is a major contributor to the... 详细信息
来源: 评论
An image watermarking scheme using new wavelet filter banks
An image watermarking scheme using new wavelet filter banks
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IEEE International Workshop on Anti-counterfeiting, Security, Identification, ASID
作者: Liang Du Jianjun Zhang Xinge You Department of Electronics and Information Engineering Huazhong University of Science and Technology Wuhan China Engineering Research Center National Anti-counterfeit Wuhan China
The rapid growth of digital multimedia and Internet technologies have brought big challenge to copyright protection. Billions of dollars are lost every year because of illegal use of digital products. Digital watermar... 详细信息
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Novel Low Power, High Speed Hardware Implementation of 1D DCT/IDCT Using Xilinx FPGA
Novel Low Power, High Speed Hardware Implementation of 1D DC...
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International Conference on Computer Technology and Development (ICCTD)
作者: Rajesh Kannan Megalingam V. Vineeth Sarma B. Venkat Krishnan M. Mithun Rahul Srikumar Department of Electronics and Communication Amrita School of Engineering Kollam Kerala India Amrita Vishwa Vidyapeetham Coimbatore Tamil Nadu IN
DCT/IDCT finds potent application in the field of image and signal processing. In this paper, we concentrate on a novel five stage pipelined implementation, which consumes less power. The design uses Verilog HDL and i... 详细信息
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JPEG Steganography: A Performance Evaluation of Quantization Tables
JPEG Steganography: A Performance Evaluation of Quantization...
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International Conference on Advanced Information Networking and Applications (AINA)
作者: Adel Almohammad Gheorghita Ghinea Robert M. Hierons Brunei University UK
The two most important aspects of any image based steganographic system are the imperceptibility and the capacity of the stego image. This paper evaluates the performance and efficiency of using optimized quantization... 详细信息
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Subject Caption Detection in News Video with Complex Picture
Subject Caption Detection in News Video with Complex Picture
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Computer Science and Information Engineering, CSIE, WRI World Congress on FLAGGED
作者: Chien-Cheng Lee Yu-Chun Chiang Cheng-Yuan Shih Department of Communications Engineering Yuan-Ze University Taoyuan Taiwan Department of Mechanical Engineering Yuan-Ze University Taoyuan Taiwan
We propose a method to detect story related subject captions in news video. This paper addresses two issues of caption detection problem. One is the time consuming in the feature computation, the other is the clutter ... 详细信息
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A cost-error optimized architecture for 9/7 lifting based Discrete Wavelet transform with balanced pipeline stages
A cost-error optimized architecture for 9/7 lifting based Di...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Alireza Aminlou Fatemeh Refan M.R. Hashemi Omid Fatemi Saeed Safari Multimedia Processing Laboratory School of Electrical and Computer Engineering University of Tehran Tehran Iran
Discrete wavelet transform (DWT) is increasingly recognized in image/video compression standards, as indicated by its use in JPEG2000. The lifting scheme algorithm is an alternative DWT implementation that has a lower... 详细信息
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Image encryption using Discrete Parametric Cosine transform
Image encryption using Discrete Parametric Cosine Transform
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Asilomar Conference on Signals, Systems & Computers
作者: Yicong Zhou Karen Panetta Sos Agaian Department of Electrical and Computer Engineering Tufts University Medford MA USA Department of Electrical and Computer Engineering University of Technology San Antonio TX USA
This paper introduces a new effective image encryption algorithm using the Discrete Parametric Cosine transform (DPCT). The new algorithm transforms images into the frequency domain using the DPCT with a set of parame... 详细信息
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Robust Image Watermarking Scheme Based on 3D-DCT
Robust Image Watermarking Scheme Based on 3D-DCT
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International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)
作者: Yonggang Fu College of Computer Engineering Jimei University Xiamen China
A robust image watermarking scheme based on 3-dimensional discrete cosine transform (3D DCT) is proposed for color image copyright protection. Firstly, the color image is divided into 3-D blocks, and then they are tra... 详细信息
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Motion Vector Based Moving Object Detection and Tracking in the MPEG Compressed Domain
Motion Vector Based Moving Object Detection and Tracking in ...
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International Workshop on Content-Based Multimedia Indexing, CBMI
作者: Takanori Yokoyama Toshiki Iwasaki Toshinori Watanabe Graduate School of Information Systems University of Electro-Communications Chofu Tokyo Japan
As MPEG standards prevail, the opportunities to handle MPEG compressed videos increase, and the video indexing and management that can directly process the compressed videos become important. MPEG video coding standar... 详细信息
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A self-embedded watermarking scheme based on relationship function of corresponding inter-blocks DCT coefficient
A self-embedded watermarking scheme based on relationship fu...
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International Conference on Computer Supported Cooperative Work in Design
作者: Guobo Li Songwen Pei Gang Chen Wenjun Cao Baifeng Wu School of Computer Science Fudan University Shanghai China
In the realm of computer supported cooperative work in design (CSCWD), how to ensure the authenticity and integrity of an image plays important roles. This paper presents a novel semi-fragile image watermarking scheme... 详细信息
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