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In this paper we have simulated and analyzed histogram shifting method on different types of cover images. Secret image which is used to hide in cover image is called payload. We have analyzed this algorithm in MATLAB simulation tool. This analysis is performed to find out the performance of this method on different types of cover images. We have analyzed this to find out how much accuracy can we get when extracting payload from cover image. We have computed peak signal to noise ratio, mean square error. Garima Sharma | Vipra Bohara | Laxmi Narayan Balai"Simulation based Performance Analysis of Histogram Shifting Method on Various Cover Images" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: http://www.ijtsrd.com/papers/ijtsrd14139.pdf http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/14139/simulation-based-performance-analysis-of-histogram-shifting-method-on-various-cover-images/garima-sharma
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Cryptography is where security engineering meets mathematics.The field of studyrelated to encoded information comes from Greek word for ”secret writing” is cryptography.The art and science of hiding information by embedding it in some otherdata is Steganography. The secret communication is carried through many sourceslike image, audio and video files. This technique mainly proposes data hiding by embeddingthe message of interest using geometric style of cryptographic algorithm,thus providing high security. Wavelet transform algorithms are used to perform preprocessing of images. Keywords —Cryptography, Steganography, Geometrical way of embedding, Wavelet transforms,DCT
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The most quoted applications for digital watermarking is in the context of copyright-protection of digital (multi-)media. In this paper we offer a new digital watermarking technique, which pledges both Security and Quality for the image for the Patent protection. This methodology uses tale techniques like Shuffling, Composition & Decomposition, and Encryption & Decryption to record the information of a protected primary image and the allied watermarks. The quadtree can aid the processing of watermark and AES provides added security to information. Besides that, we intend a novel architecture for Patent Protection that holds promise for a better compromise between practicality and security for emerging digital rights management application. Security solutions must seize a suspicious version of the application-dependent restrictions and competing objectives.
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In this paper we have simulated and analyzed histogram shifting method on different types of cover images. Secret image which is used to hide in cover image is called payload. We have analyzed this algorithm in MATLAB simulation tool. This analysis is performed to find out the performance of this method on different types of cover images. We have analyzed this to find out how much accuracy can we get when extracting payload from cover image. We have computed peak signal to noise ratio, mean square error. Garima Sharma | Vipra Bohara | Laxmi Narayan Balai"Simulation based Performance Analysis of Histogram Shifting Method on Various Cover Images" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018, URL: http://www.ijtsrd.com/papers/ijtsrd14139.pdf http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/14139/simulation-based-performance-analysis-of-histogram-shifting-method-on-various-cover-images/garima-sharma
Simulation based Performance Analysis of Histogram Shifting Method on Various...
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PERICLES project partner Panos Mitzias (CERTH/ITI) introduces the work done in the area of domain ontologies for Art & Media.
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Cryptography is where security engineering meets mathematics.The field of studyrelated to encoded information comes from Greek word for ”secret writing” is cryptography.The art and science of hiding information by embedding it in some otherdata is Steganography. The secret communication is carried through many sourceslike image, audio and video files. This technique mainly proposes data hiding by embeddingthe message of interest using geometric style of cryptographic algorithm,thus providing high security. Wavelet transform algorithms are used to perform preprocessing of images. Keywords —Cryptography, Steganography, Geometrical way of embedding, Wavelet transforms,DCT
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The most quoted applications for digital watermarking is in the context of copyright-protection of digital (multi-)media. In this paper we offer a new digital watermarking technique, which pledges both Security and Quality for the image for the Patent protection. This methodology uses tale techniques like Shuffling, Composition & Decomposition, and Encryption & Decryption to record the information of a protected primary image and the allied watermarks. The quadtree can aid the processing of watermark and AES provides added security to information. Besides that, we intend a novel architecture for Patent Protection that holds promise for a better compromise between practicality and security for emerging digital rights management application. Security solutions must seize a suspicious version of the application-dependent restrictions and competing objectives.
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Introduction
1.
Introduction Principles
of Multimedia Systems Sethserey SAM Computer Science Department
2.
`
3.
4.
5.
Multimedia is Multidisciplinary
Image, audio, speech processing Computer vision, pattern recognition Computer networks, operating system Human computer interaction Computer graphics Multimedia computing
6.
Example Multimedia Systems
Real Estate in MIT’s Project Athena
7.
Example Multimedia Systems
Chronoscope in MIT’s Project Athena
8.
Example Multimedia Systems
Navigation Learning Environment in MIT’s Project Athena
9.
Example Multimedia Systems
Photosynth of Microsoft Live Labs.
10.
11.
Data Compression Raw
image takes about 6M bytes (without header information) 24k bytes with jpeg, Q=50
12.
“JPEG” Illustration r
g b Transform to frequency domain Quantization Lossless compression … 0010001 …. decoder r’ g’ b’ u v
13.
14.
Tracking Object by
Image Matching
15.
Multiple Object Tracking
Toys Squash Lab Double Squash
16.
Finding Objects in
Clutter
17.
Object Recognition David
G. Lowe, "Object recognition from local scale-invariant features," ICCV99.
18.
Posture Detection in
Images Template Image
19.
Dealing with Multiple
Objects
20.
21.
Finding Action Clusters
in Image Database
22.
Finding Action Clusters
(con’t)
23.
Action Recognition video1
video2 Ramanan, D., Forsyth, D. A., Zisserman, A. " Strike a Pose: Tracking People by Finding Stylized Poses. " Computer Vision and Pattern Recognition (CVPR), San Diego, CA, June 2005. video3
24.
25.
26.
27.
Q & A
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