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检索条件"主题词=block truncation coding"
170 条 记 录,以下是61-70 订阅
排序:
Deep Concatenated Residual Networks for Improving Quality of Halftoning-Based BTC Decoded Image
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JOURNAL OF IMAGING 2021年 第2期7卷 13-13页
作者: Prasetyo, Hen Prayuda, Alim Wicaksono Hari Hsia, Chih-Hsien Guo, Jing-Ming Univ Sebelas Maret Dept Informat Surakarta 57126 Indonesia Natl Ilan Univ Dept Comp Sci & Informat Engn Yilan 260 Taiwan Natl Taiwan Univ Sci & Technol Dept Elect Engn Taipei 106335 Taiwan
This paper presents a simple technique for improving the quality of the halftoning-based block truncation coding (H-BTC) decoded image. The H-BTC is an image compression technique inspired from typical block truncatio... 详细信息
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Partial reversible AMBTC-based secret image sharing with steganography
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DIGITAL SIGNAL PROCESSING 2019年 93卷 22-33页
作者: Wu, Xiaotian Yang, Ching-Nung Jinan Univ Dept Comp Sci Guangzhou Guangdong Peoples R China Natl Dong Hwa Univ Dept Comp Sci & Informat Engn Hualien Taiwan
Existing secret image sharing (SIS) schemes with steganography and authentication are designed for uncompressed images. They cannot be applied to compressed domain. When the cover image is of significance, these schem... 详细信息
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A (k, n) threshold partial reversible AMBTC-based visual cryptography using one reference image
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JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 2019年 59卷 550-562页
作者: Wu, Xiaotian Chen, Dong Yang, Ching-Nung Yang, Yi-Yun Jinan Univ Dept Comp Sci Guangzhou Guangdong Peoples R China Nanjing Univ Informat Sci & Technol Nanjing Jiangsu Peoples R China Chinese Acad Sci Inst Informat Engn State Key Lab Informat Secur Beijing Peoples R China Natl Dong Hwa Univ Dept Comp Sci & Informat Engn Shoufeng Township Taiwan
Recently, Yang et al. introduced a (k;n) approach called Reversible Absolute moment block truncation coding Visual Cryptography Scheme (RAVCS) (Yang et al., 2017) to conceal a secret image into n AMBTC shares. However... 详细信息
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VLSI implementation of an ultra-low-cost and low-power image compressor for wireless camera networks
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JOURNAL OF REAL-TIME IMAGE PROCESSING 2018年 第4期14卷 803-812页
作者: Chen, Shih-Lun Nie, Jing Lin, Ting-Lan Chung, Rih-Lung Hsia, Chih-Hsien Liu, Tse-Yen Lin, Szu-Yin Wu, Hai-Xia Chung Yuan Christian Univ Dept Elect Engn Taoyuan Taiwan Beijing Inst Technol Dept Elect & Informat Beijing Peoples R China Chinese Culture Univ Dept Elect Engn Taipei Taiwan Chung Yuan Christian Univ Dept Informat Management Taoyuan Taiwan
In this paper, a novel hardware-oriented color image compression algorithm based on digital halftoning and block truncation coding (BTC) techniques is proposed for very large-scale integration (VLSI) implementation. T... 详细信息
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On the security of a BTC-based-compression image authentication scheme
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MULTIMEDIA TOOLS AND APPLICATIONS 2018年 第10期77卷 12979-12989页
作者: Chen, Tzung-Her Chang, Tzu-Ching Natl Chiayi Univ Dept Comp Sci & Informat Engn 300 Univ Rd Chiayi 60004 Taiwan
With image integrity in mind, the sensitivity-of-tamper property of a new image authentication scheme is always one of main concerns. However, to claim integrity guarantee of image authentication techniques is meaning... 详细信息
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Quick Response Code Binary Research Based on Basic Image Processing
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SENSORS AND MATERIALS 2019年 第3期31卷 859-871页
作者: Wu, Yun Yu, Shaoyong Yang, Mei Xiamen Univ Technol Coll Comp & Informat Engn Xiamen 361024 Peoples R China Longyan Univ Sch Math & Informat Engn Longyan City 364012 Peoples R China
The goal of this paper is to binarize quick response (QR) codes with basic image processing methods, so that they can be well recognized in extreme cases. In this paper, we avoid the complex computation that comes fro... 详细信息
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Ratio-modified block truncation coding algorithms for reduced bitrates
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IMAGING SCIENCE JOURNAL 2011年 第1期59卷 25-31页
作者: Natarajan, S. Rao, Y. V. Ramana Bannari Amman Inst Technol Dept Elect & Commun Engn Sathyamangalam 638401 Tamilnadu India Anna Univ Coll Engn Dept Elect & Commun Engn Madras 600025 Tamil Nadu India
block truncation coding (BTC) technique is a simple and fast image compression algorithm since complicated transforms are not used. The principle used in BTC algorithm is to use two-level quantiser that adapts to loca... 详细信息
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A fast near-optimum block truncation coding method using a truncated K-means algorithm and inter-block correlation
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AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS 2011年 第6期65卷 576-581页
作者: Yang, Yan Chen, Qiqiang Wan, Yi Lanzhou Univ Inst Signals & Informat Proc Lanzhou 730000 Peoples R China Lanzhou Jiaotong Univ Lanzhou 730070 Peoples R China
block truncation coding (BTC) is an efficient image compression method which finds application in diverse fields. The basic problem can be viewed as a two-level quantization process. However, efficient ways for optima... 详细信息
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Improved block truncation coding Using Extreme Mean Value Scaling and block-Based High Speed Direct Binary Search
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IEEE SIGNAL PROCESSING LETTERS 2011年 第11期18卷 694-697页
作者: Guo, Jing-Ming Su, Chang-Cheng Natl Taiwan Univ Sci & Technol Dept Elect Engn Taipei Taiwan
block truncation coding (BTC) has been considered as an efficient compression technique for decades. However, the annoying blocking effect and false contour caused by low bit rate configuration are key problems. To so... 详细信息
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Constructions of general (k, n) reversible AMBTC-based visual cryptography with two decryption options
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JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION 2017年 第Oct.期48卷 182-194页
作者: Yang, Ching-Nung Wu, Xiaotian Chou, Yung-Chien Fu, Zhangjie Natl Dong Hwa Univ Dept Comp Sci & Informat Engn Hualien Taiwan Jinan Univ Dept Comp Sci Guangzhou Guangdong Peoples R China Nanjing Univ Informat Sci & Technol Nanjing Jiangsu Peoples R China Chinese Acad Sci Inst Informat Engn State Key Lab Informat Secur Beijing Peoples R China
In this paper, a general method of (k, n) threshold Reversible Absolute moment block truncation coding Visual Cryptography Scheme (RAVCS) is introduced for sharing a binary secret image into multiple absolute moment b... 详细信息
来源: 评论