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检索条件"主题词=Chain coding"
53 条 记 录,以下是1-10 订阅
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CC-SMC: chain coding-based segmentation map lossless compression
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JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 2024年 103卷
作者: Yang, Runyu Liu, Dong Wu, Feng Gao, Wen Univ Sci & Technol China MOE Key Lab Brain Inspired Intelligent Percept & C Hefei 230027 Peoples R China Peng Cheng Lab Shenzhen 518055 Peoples R China Peking Univ Beijing 100871 Peoples R China
A segmentation map, either static or dynamic, refers to a two-dimensional picture that may vary with time and indicates the segmentation label per pixel. Both the semantic map and the occupancy map in video-based poin... 详细信息
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An innovative design of a hybrid chain coding algorithm for bi-level image compression using an agent-based modeling approach
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APPLIED SOFT COMPUTING 2019年 79卷 94-110页
作者: Dhou, Khaldoon Drury Univ Springfield MO 65802 USA
In this article, the researcher introduces a hybrid chain code for shape encoding, as well as lossless and lossy bi-level image compression. The lossless and lossy mechanisms primarily depend on agent movements in a v... 详细信息
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chain coding representation of voxel-based objects with enclosing, edging and intersecting trees
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PATTERN ANALYSIS AND APPLICATIONS 2017年 第3期20卷 825-844页
作者: Martinez, Luis A. Bribiesca, Ernesto Guzman, Adolfo Univ Nacl Autonoma Mexico Inst Astron Apartado Postal 70-264 Mexico City 04510 DF Mexico Univ Nacl Autonoma Mexico Inst Invest Matemat Aplicadas & Sistemas Dept Ciencias Comp Mexico City 04510 DF Mexico Inst Politecn Nacl Ctr Invest Comp Mexico City 07738 DF Mexico
Thrifty methods to represent and store three dimensional objects are important. Two different methods for describing voxel-based objects (VBOs) by means of edging (ETs) and intersecting (ITs) trees are demonstrated. E... 详细信息
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chain Code-Based Occupancy Map coding for Video-Based Point Cloud Compression
Chain Code-Based Occupancy Map Coding for Video-Based Point ...
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IEEE International Conference on Visual Communications and Image Processing (VCIP)
作者: Yang, Runyu Yan, Ning Li, Li Liu, Dong Wu, Feng Univ Sci & Technol China CAS Key Lab Technol Geospatial Informat Proc & Ap Hefei 230027 Peoples R China
In video-based point cloud compression (V-PCC), occupancy map video is utilized to indicate whether a 2-D pixel corresponds to a valid 3-D point or not. In the current design of V-PCC, the occupancy map video is direc... 详细信息
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Learned Image Compression With Efficient Cross-Platform Entropy coding
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IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS 2025年 第1期15卷 72-82页
作者: Yang, Runyu Liu, Dong Wu, Feng Gao, Wen Univ Sci & Technol China Key Lab Brain Inspired Intelligent Percept & Cogni MOE Hefei 230027 Peoples R China Peking Univ Sch Comp Sci Beijing 100871 Peoples R China Peng Cheng Lab Shenzhen 518055 Peoples R China
Learned image compression has shown remarkable compression efficiency gain over the traditional image compression solutions, which is partially attributed to the learned entropy models and the adopted entropy coding e... 详细信息
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A measure of tortuosity based on chain coding
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PATTERN RECOGNITION 2013年 第3期46卷 716-724页
作者: Bribiesca, Ernesto Univ Nacl Autonoma Mexico Dept Comp Sci Inst Invest Matemat Aplicadas & Sistemas Mexico City 01000 DF Mexico
A measure of tortuosity for 20 curves is presented. Tortuosity is a very important property of curves and has many applications, such as: how to measure the tortuosity of retinal blood vessels, intracerebral vasculatu... 详细信息
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Mirror symmetry detection in curves represented by means of the Slope chain Code
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PATTERN RECOGNITION 2019年 87卷 67-79页
作者: Alvarado-Gonzalez, Montserrat Aguilar, Wendy Garduno, Edgar Velarde, Carlos Bribiesca, Ernesto Medina-Banuelos, Veronica Univ Autonoma Metropolitana Cuajimalpa Dept Appl Math & Syst Mexico City 05348 DF Mexico Univ Nacl Autonoma Mexico Inst Invest Matemat Aplicadas & Sistemas Dept Comp Sci Mexico City 04510 DF Mexico Univ Autonoma Metropolitana Iztapalapa Dept Elect Engn Neuroimaging Lab Mexico City 09340 DF Mexico
Symmetry is an important feature in natural and man-made objects;particularly, mirror symmetry is a relevant task in fields such as computer vision and pattern recognition. In the current work, we propose a new method... 详细信息
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The spirals of the Slope chain Code
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PATTERN RECOGNITION 2019年 95卷 247-260页
作者: Bribiesca, Ernesto Univ Nacl Autonoma Mexico Inst Invest Matemat Aplicadas & Sistemas Dept Ciencias Comp Apdo 20-726 Mexico City DF Mexico
Generally speaking, a spiral is a 2D curve which winds about a fixed point. Now, we present a new, alternative, and easy way to describe and generate spirals by means of the use of the Slope chain Code (SCC) [E. Bribi... 详细信息
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Detection of rotational symmetry in curves represented by the slope chain code
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PATTERN RECOGNITION 2020年 107卷 107421-107421页
作者: Aguilar, Wendy Alvarado-Gonzalez, Montserrat Garduno, Edgar Velarde, Carlos Bribiesca, Ernesto Univ Nacl Autonoma Mexico Inst Invest Matemat Aplicadas & Sistemas Dept Comp Sci Mexico City 04510 DF Mexico Univ Autonoma Metropolitana Cuajimalpa Dept Appl Math & Syst Mexico City 05348 DF Mexico
We present a new approach based on the Slope chain Code to determine whether a curve is rotational symmetrical and its order of symmetry. The proposed approach works for open and closed perfectly symmetrical or quasi-... 详细信息
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Contour chain-coding and Topological Hierarchy Analysis in a 2x3 Window Single-Pass Raster Scan
Contour Chain-Coding and Topological Hierarchy Analysis in a...
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36th International Conference on Telecommunications and Signal Processing (TSP)
作者: Scheffler, Marco Schumacher, Frank Greiner, Thomas Pforzheim Univ MERSES Ctr Appl Res Pforzheim Germany
This paper presents a fast and effective method for generating chain-encoded representations of arbitrary contours of connected regions in a binary image. Furthermore, an optional method is presented allowing the addi... 详细信息
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