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检索条件"主题词=Computer vision and image processing techniques"
1042 条 记 录,以下是831-840 订阅
排序:
Motion-compensated compression of 3D animation models
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ELECTRONICS LETTERS 2001年 第24期37卷 1445-1446页
作者: Ahn, JH Kim, CS Kuo, CCJ Ho, YS K JIST Puk Gu Kwangju 500712 South Korea Univ So Calif Los Angeles CA 90089 USA
A new algorithm is proposed to compress animated 3D mesh models. First, an input mesh model is partitioned into segments, and each segment is motion compensated from that of the previous time instance. Then. the motio... 详细信息
来源: 评论
Efficient SPIHT-based embedded colour image coding techniques
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ELECTRONICS LETTERS 2001年 第15期37卷 951-952页
作者: Khan, E Ghanbari, M Univ Essex Dept Elect Syst Engn Colchester CO4 3SQ Essex England
Proposed are two novel composite spatial orientation trees for SPIHT-based colour image codecs to link wavelet coefficients of three colour planes together. The simulation results show the improved performance of the ... 详细信息
来源: 评论
Wavelet coding method using small block DCT
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ELECTRONICS LETTERS 2001年 第10期37卷 627-629页
作者: Wang, J Zhang, WJ Yu, SY Shanghai Jiao Tong Univ Inst Image Commun & Informat Proc Shanghai 200030 Peoples R China
A novel wavelet image compression method is introduced. The method applies the small block discrete cosine transform to certain parts of the wavelet coefficients before quantisation and coding. Experiments show that t... 详细信息
来源: 评论
image sequence stabilisation based on Kalman filtering of frame positions
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ELECTRONICS LETTERS 2001年 第20期37卷 1217-1219页
作者: Ertürk, S Univ Kocaeli Dept Elect & Telecommun Engn TR-41040 Izmit Turkey
An image sequence stabilisation system based on Kalman filtering of absolute frame displacements is reported. The stabiliser compensates for undesired fluctuations in the sequence by shifting image frames into smoothe... 详细信息
来源: 评论
3-D vector radix algorithm for the 3-D new Mersenne number transform
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IEE PROCEEDINGS-vision image AND SIGNAL processing 2001年 第2期148卷 115-125页
作者: Boussakta, S Alshibami, O Aziz, M Holt, AGJ Univ Leeds Sch Elect & Elect Engn Leeds LS2 9JT W Yorkshire England Univ Newcastle Upon Tyne Dept Elect & Elect Engn Newcastle Upon Tyne NE1 7RU Tyne & Wear England
Three-dimensional convolutions and correlations are used for three-dimensional image-processing applications. Their calculation involves extensive computation, which makes the use of fast transforms very advantageous.... 详细信息
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3D imaging and ranging by time-correlated single photon counting
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COMPUTING & CONTROL ENGINEERING JOURNAL 2001年 第4期12卷 157-168页
作者: Wallace, AM Buller, GS Walker, AC Heriot Watt Univ Dept Elect & Comp Engn Edinburgh EH14 4AS Midlothian Scotland Heriot Watt Univ Dept Phys Edinburgh EH14 4AS Midlothian Scotland
3D imaging is an important tool for metrology and reverse engineering of components and structures in a wide variety of contexts, from automobile and aeroplane manufacture to the creative media and architectural surve... 详细信息
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Fast and accurate snake model for object contour detection
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ELECTRONICS LETTERS 2001年 第10期37卷 624-626页
作者: Lie, WN Chuang, CH Natl Chung Cheng Univ Dept Elect Engn Chiayi 621 Taiwan
A new scheme in which a snake model is used fnr object contour detection is proposed. By developing a no-search movement scheme, accepting the effective gradient vector flow field as the contracting force, and adjusti... 详细信息
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image scrambling through a fractional GF(qn) composite domain
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ELECTRONICS LETTERS 2001年 第11期37卷 685-687页
作者: Sun, YS Shyu, HC Chung Cheng Inst Technol Dept Elect Engn Tao Yuan Taiwan
A novel fractional GF(q(n)) composite domain (FGCD) for image scrambling applications is described. The FGCD scrambled image can be recovered using the appropriate keys without any knowledge of the original image info... 详细信息
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Method for combating random geometric attack on image watermarking
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ELECTRONICS LETTERS 2001年 第7期37卷 420-421页
作者: Agung, IW Sweeney, P Univ Surrey CCSR Guildford GU2 7XH Surrey England
A method for amending StirMark random geometric attacked watermarked images is introduced. The proposed scheme uses a reference image to identify the attacked pixels, then exchanges them For pixels from the original u... 详细信息
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Real-time vehicle recognition using local feature extraction
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ELECTRONICS LETTERS 2001年 第7期37卷 424-425页
作者: Hwang, W Ko, H Korea Univ Dept Elect Engn Sungbuk Ku Seoul 136701 South Korea
A novel feature extraction method based on local textures of image for real-time vehicle recognition tasks is proposed. In particular. feature vectors are extracted from judicious combinations of partitioning and over... 详细信息
来源: 评论