CN101843087B - 通过像素属性分离进行的加密 - Google Patents
通过像素属性分离进行的加密 Download PDFInfo
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- CN101843087B CN101843087B CN200880106780.0A CN200880106780A CN101843087B CN 101843087 B CN101843087 B CN 101843087B CN 200880106780 A CN200880106780 A CN 200880106780A CN 101843087 B CN101843087 B CN 101843087B
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32309—Methods relating to embedding, encoding, decoding, detection or retrieval operations in colour image data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Facsimile Transmission Control (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
Abstract
Description
字节 | 位置 |
W1 | SP[0] |
W2 | SP[1] |
H1 | SP[2] |
H2 | SP[3] |
(x,y) | 0 | 1 |
0 | 65539 | 371457 |
1 | 112898 | 9502977 |
2 | 4195073 | 4195074 |
3 | 65928 | 65792 |
A | B | C | D | E | F |
1 | 1 | 2 | 2 | 3 | 3 |
2 | 3 | 1 | 3 | 1 | 2 |
3 | 2 | 3 | 1 | 2 | 1 |
Pos’ | 颜色顺序 |
01010011 00010000 | C3 C2 C1 |
00110101 00010000 | C2 C3 C1 |
00110001 01010000 | C2 C1 C3 |
Pos’ | CP(0) | CP(1) |
10000011 10110000 | C2 C1 | C2 C1 |
00010011 10110000 | C1 C2 | C2 C1 |
00010001 11110000 | C1 C2 | C1 C2 |
CP(0) | CP(1) |
C1 C2 C3 | C2 C1 C3 |
C1 C2 C3 | C3 C2 C1 |
C1 C2 C3 | C2 C3 C1 |
C3 C1 C2 | C2 C1 C3 |
C3 C1 C2 | C3 C2 C1 |
C3 C1 C2 | C2 C3 C1 |
C1 C3 C2 | C2 C1 C3 |
C1 C3 C2 | C3 C2 C1 |
C1 C3 C2 | C2 C3 C1 |
W×H | LS | RS | AND | OR |
4096×4096 | 5242.9 | 4404.0 | 1929.4 | 9646.9 |
512×512 | 62.3 | 68.8 | 262.2 | 131.1 |
256×256 | 13.9 | 172.0 | 62.3 | 31.1 |
640×480 | 76.8 | 76.8 | 307.2 | 153.6 |
1024×768 | 206.4 | 206.4 | 825.8 | 412.9 |
1000×200 | 47.5 | 52.5 | 200.0 | 100.0 |
234×1452 | 84.9 | 68.0 | 305.8 | 152.9 |
W×H | W′×H′ | NRP | p | ET | DT |
256×256 | 461×224 | 37 | 8 | 5.4 | 4.7 |
512×512 | 635×499 | 21 | 1 | 6.0 | 5.0 |
640×480 | 614×576 | 703 | 8 | 6.1 | 5.1 |
1024×786 | 1201×745 | 431 | 1 | 7.7 | 6.1 |
2816×2112 | 3461×1961 | 258 | 11 | 27.0 | 17.4 |
3648×2736 | 4437×2417 | 5712 | 17 | 40.0 | 25.1 |
B1B2B3B4 | Num | Val |
ZZZZ | (z)(z-1)(z-2)(z-3) | x |
ZZZN | (z)(z-1)(z-2)(m) | x |
ZZNZ | (z)(z-1)(m)(z-2) | x |
ZZNN | (z)(z-1)(m)(m-1) | x |
ZNZZ | (z)(m)(z-1)(z-2) | x |
ZNZN | (z)(m)(z-1)(m-1) | √ |
ZNNZ | (z)(m)(m-1)(z-1) | √ |
ZNNN | (z)(m)(m-1)(m-2) | √ |
NZZZ | (m)(z)(z-1)(z-2) | x |
NZZN | (m)(z)(z-1)(m-1) | √ |
NZNZ | (m)(z)(m-1)(z-1) | √ |
NZNN | (m)(z)(m-1)(m-2) | √ |
NNZZ | (m)(m-1)(z)(z-1) | x |
NNZN | (m)(m-1)(z)(m-2) | √ |
NNNZ | (m)(m-1)(m-2)(z) | √ |
NNNN | (m)(m-1)(m-2)(m-3) | √ |
Z | |
B1 | z |
B2 | z-1 |
B3 | z-2 |
B4 | z-3 |
N | |
B1 | f-z |
B2 | f-z-1 |
B3 | f-z-2 |
B4 | f-z-3 |
B1B2B3B4 | Num |
GGGG | (u)(u-1)(u-2)(u-3) |
GGGL | (u)(u-1)(u-2)(v) |
GGLG | (u)(u-1)(v)(u-2) |
GGLL | (u)(u-1)(v)(v-1) |
GLGG | (u)(v)(u-1)(u-2) |
GLLG | (u)(v)(v-1)(u-1) |
LGGG | (v)(u)(u-1)(u-2) |
LGGL | (v)(u)(u-1)(v-1) |
LGLG | (v)(u)(v-1)(u-1) |
LGLL | (v)(u)(v-1)(v-2) |
LLGG | (v)(v-1)(u)(u-1) |
LLLG | (v)(v-1)(v-2)(u) |
B1B2B3B4 | N |
ZZLG | (z)(z-1)(f-u)(u) |
ZZGG | (z)(z-1)(u)(u-1) |
GGZZ | (u)(u-1)(z)(z-1) |
LGZZ | (f-u)(u)(z)(z-1) |
Claims (11)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0718699A GB0718699D0 (en) | 2007-09-13 | 2007-09-13 | Image encryption by pixel property separation |
GB0718699.2 | 2007-09-13 | ||
EP08103697.2 | 2008-04-23 | ||
EP08103697 | 2008-04-23 | ||
PCT/IB2008/053630 WO2009034520A1 (en) | 2007-09-13 | 2008-09-09 | Encryption by pixel property separation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101843087A CN101843087A (zh) | 2010-09-22 |
CN101843087B true CN101843087B (zh) | 2013-06-05 |
Family
ID=40225393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880106780.0A Expired - Fee Related CN101843087B (zh) | 2007-09-13 | 2008-09-09 | 通过像素属性分离进行的加密 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8520849B2 (zh) |
EP (1) | EP2191638A1 (zh) |
CN (1) | CN101843087B (zh) |
WO (1) | WO2009034520A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9251143B2 (en) | 2012-01-13 | 2016-02-02 | International Business Machines Corporation | Converting data into natural language form |
US9558680B2 (en) * | 2014-04-04 | 2017-01-31 | Sizhe Tan | Payload in picture encoding |
CN104966525B (zh) * | 2015-01-14 | 2016-11-23 | 腾讯科技(深圳)有限公司 | 文件加密、解密方法和装置 |
CN108182220A (zh) * | 2017-12-25 | 2018-06-19 | 重庆邮电大学 | 云服务器中基于用户隐私保护的图像检索方法 |
CN108777622B (zh) * | 2018-05-11 | 2021-03-26 | 吉林大学 | 一种二进制流散列取模加密解密方法 |
CN111614455B (zh) * | 2020-04-30 | 2021-11-19 | 河南大学 | 一种彩色图像压缩加密方法 |
CN113595715A (zh) * | 2021-07-23 | 2021-11-02 | 华东交通大学 | 一种基于Logistic双像素矩形映射彩色图像加密及解密方法 |
CN114553581A (zh) * | 2022-03-01 | 2022-05-27 | 珠海金山数字网络科技有限公司 | 一种数据处理方法及装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345582A (en) * | 1979-11-19 | 1982-08-24 | Aharon Naaman B | System for the utilization of solar energy |
US4295621A (en) * | 1980-03-18 | 1981-10-20 | Rca Corporation | Solar tracking apparatus |
US4476854A (en) * | 1983-11-14 | 1984-10-16 | Zomeworks Corporation | Gas spring solar tracker |
US6064738A (en) * | 1996-12-10 | 2000-05-16 | The Research Foundation Of State University Of New York | Method for encrypting and decrypting data using chaotic maps |
WO2002051058A2 (en) * | 2000-12-19 | 2002-06-27 | At & T Wireless Services, Inc. | Synchronization of encryption in a wireless communication system |
US7360093B2 (en) * | 2002-07-22 | 2008-04-15 | Xerox Corporation | System and method for authentication of JPEG image data |
-
2008
- 2008-09-09 CN CN200880106780.0A patent/CN101843087B/zh not_active Expired - Fee Related
- 2008-09-09 WO PCT/IB2008/053630 patent/WO2009034520A1/en active Application Filing
- 2008-09-09 US US12/678,283 patent/US8520849B2/en not_active Expired - Fee Related
- 2008-09-09 EP EP08807578A patent/EP2191638A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP2191638A1 (en) | 2010-06-02 |
US20100241869A1 (en) | 2010-09-23 |
US8520849B2 (en) | 2013-08-27 |
CN101843087A (zh) | 2010-09-22 |
WO2009034520A1 (en) | 2009-03-19 |
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