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检索条件"主题词=Computer vision and image processing techniques"
1042 条 记 录,以下是821-830 订阅
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Matching hyperspectral absorptions by weighted hamming distance
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ELECTRONICS LETTERS 2021年 第19期57卷 727-729页
作者: Guo, Baofeng Hangzhou Dianzi Univ Sch Automat Hangzhou Peoples R China
To analyse and compare hyperspectral signatures, features extraction and matching are two key issues. In this letter, hyperspectral absorption features and the corresponding matching algorithm are discussed. First, an... 详细信息
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Technique for accurate correspondence estimation in object borders and occluded image regions
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ELECTRONICS LETTERS 1999年 第1期35卷 34-35页
作者: Izquierdo, E Univ Essex Dept Elect Syst Engn Colchester CO4 3SQ Essex England
An advanced block-matching technique, in which the shape of the matching window is: calculated adaptively by applying an energy-based model, is introduced. In this model the window shape is controlled by external forc... 详细信息
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Lossless image compression using ordered binary-decision diagrams
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ELECTRONICS LETTERS 2001年 第3期37卷 162-163页
作者: Mateu-Villarroya, P Prades-Nebot, J Univ Politecn Valencia Dept Comun ETSITV Valencia 46022 Spain
A lossless compression algorithm for images based on ordered binary-decision diagrams (OBDDs) is presented. The algorithm finds an OBDD which represents the image exactly and then codes the OBDD efficiently. The resul... 详细信息
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Reweighting neural network examples for robust object detection at sea
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ELECTRONICS LETTERS 2021年 第16期57卷 608-610页
作者: Becktor, J. Boukas, E. Blanke, M. Nalpantidis, L. Tech Univ Denmark Dept Elect Engn Lyngby Denmark
Deep neural networks have had profound significance in addressing visual object detection and classification tasks. However, though with the caveat of needing large amounts of annotated training data. Furthermore, the... 详细信息
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Optimal vertex adjustment method using a Viterbi algorithm for vertex-based shape coding
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ELECTRONICS LETTERS 1999年 第9期35卷 706-707页
作者: Lee, JH Chung, JW Kim, JK Korea Adv Inst Sci & Technol Dept Elect Engn Taejon 305701 South Korea Hyundai Elect Ind Co Ltd Informat & Telecommun R&D Ctr Seoul 137070 South Korea
An optimal vertex adjustment method is presented for vertex-based shape coding. The method optimally shifts the vertices, selected by a conventional vertex selection method, within the window that satisfies the allowa... 详细信息
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Rate-optimised motion estimation
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ELECTRONICS LETTERS 2000年 第14期36卷 1196-1197页
作者: Choi, SY Chae, SI Shim, YS Commun Technol Ctr Inst Adv Engn Yongin 449860 Kyonggi Do South Korea Seoul Natl Univ Dept Elect Engn Seoul 151742 South Korea
The authors propose a motion estimation (ME) algorithm fcr determining a motion vector which minimises the estimated total number of bits allocated to the motion vector and to the residual discrete cosine transform co... 详细信息
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image retrieval using VQ-based local Gabor feature
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ELECTRONICS LETTERS 2002年 第11期38卷 505-507页
作者: Shin, DK Kim, HS Chung, TY Kim, TS Park, SH Yonsei Univ Dept Elect & Elect Engn Sodaemoon Gu Seoul 120749 South Korea
A new method of retrieving images from large image databases is proposed. The method is based on vector quantisation (VQ) of local texture information extracted by a Gabor wavelet filter bank at interest points automa... 详细信息
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VQ-based digital image watermarking method
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ELECTRONICS LETTERS 2000年 第14期36卷 1201-1202页
作者: Lu, ZM Pan, JS Sun, SH Harbin Inst Technol Dept Automat Test & Control Harbin 150006 Peoples R China Natl Kaohsiung Inst Technol Dept Elect Engn Kaohsiung 80782 Taiwan
A vector-quantisation (VQ)-based watermarking method is presented which utilises the codebook expansion technique. This method is efficient, provides enhanced security and the watermarked image is robust against the e... 详细信息
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PIPELINED LOGICAL CONVOLVERS FOR BINARY PICTURE-processing
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ELECTRONICS LETTERS 1989年 第15期25卷 961-963页
作者: HALL, AD Computer Laboratory University of Cambridge Cambridge UK
Pipelined logical convolvers (PLCs) are well suited to document facsimile processing as they can simply be inserted into the video data stream of scanners, etc. Their introduction has no effect on throughput and they ... 详细信息
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Segmentation method for face detection in complex background
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ELECTRONICS LETTERS 2000年 第3期36卷 213-214页
作者: Wang, YJ Yuan, BZ No Jiaotong Univ Inst Sci Informat Beijing 100044 Peoples R China
A nevi method for segmenting candidate regions of human faces with a complex background is proposed. A number of evolutionary agents are distributed in the 2-D colour image environment in order to find the face-like p... 详细信息
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