'Codebook' presentation slideshows

Libraries in the Digital Age (LIDA) 2012 Zadar, Croatia, June 18, 2012

898 views • 74 slides

Dealing with Quantitative Data

Dealing with Quantitative Data . Coding Descriptive Statistics Measures of Central Tendency Measures of Variability. Dealing with data. Analysis of quantitative data is a complex field of knowledge Analysis starts from coding and cleaning data

701 views • 57 slides

? ? ?

? ? ?. ???????. 3.1 Vector Quantization (VQ) Concept Encoding and Decoding. Vector Quantization (VQ). Image compression technique. w. h. Image. Index table. Vector Quantization Encoder. Vector Quantization (VQ). Image compression technique. w. h. Image. Index table.

572 views • 57 slides

Computer Security: Principles and Practice

Computer Security: Principles and Practice. W Stallings, L Brown Some slides by Dr Lincke Chapter 2. Encryption. Encryption. Text: Computer Security: Principles and Practice, W Stallings, L Brown Chapter 2 Objectives: The student should be able to:

817 views • 56 slides

HELPING STUDENTS WHO NEED HELP WITH DATA Rachael Barlow Trinity College June 17, 2011

HELPING STUDENTS WHO NEED HELP WITH DATA Rachael Barlow Trinity College June 17, 2011. Credit: Dietmut Teijgeman -Hansen. On flickr : tdietmut. What is data about?. On flickr : Let Ideas Compete. Credit: anonymous. On flickr : Tom M Schekenberg. Credit: Tom Schekenberg.

561 views • 49 slides

The Study of Vector Quantization and Its Applications to Information Hiding ???????????????????

The Study of Vector Quantization and Its Applications to Information Hiding ???????????????????. Advisor: Chin-Chen Chang 1, 2 Student: Wen-Chuan Wu 2 1 Dept. of Information Engineering and Computer Science, Feng Chia University

465 views • 46 slides

? ? ?

427 views • 42 slides

Session: Object Recognition II: using Language, Tuesday 15, June 2010

Session: Object Recognition II: using Language, Tuesday 15, June 2010. Rongrong Ji 1 , Hongxun Yao 1 , Xiaoshuai Sun 1 , Bineng Zhong 1 , and Wen Gao 1,2 1 Visual Intelligence Laboratory, Harbin Institute of Technology 2 School of Electronic Engineering and Computer Science, Peking University.

456 views • 35 slides

Matrix Factorization Models, Algorithms and Applications

Matrix Factorization Models, Algorithms and Applications. Outline. Problem Definition Overview Taxonomy by targeted tasks Taxonomy by models Taxonomy by algorithms Representative work Summary and Discussion. Outline. Problem Definition Overview Taxonomy by targeted tasks

440 views • 28 slides

Solutions for WEP

Solutions for WEP. Bracha Hod June 1, 2003. 802.11i Task Group. Addresses WEP issues No forger y protection No protection against replays Attack through weak keys IV re-use But has constraints Needs a firmware patch: large market already Access Points have cheap proc essor

413 views • 28 slides

Silent Film Comedy

499 views • 27 slides

441 views • 26 slides

???? (Vector Quantization)

???? (Vector Quantization). ???. Scalar Quantization. Scalar Quantization v.s. Vector Quantization. VQ ??. Why VQ?. x 2. x 2. x 1. x 1. Why VQ?. Why VQ?. Memory advantage Dependency between input samples Vanishes if the input samples are independent Shape advantage

344 views • 25 slides

A New Image Compression Scheme Based on Locally Adaptive Coding

A New Image Compression Scheme Based on Locally Adaptive Coding. Chair Professor Chin-Chen Chang Feng Chia University. Introduction. Image compression technique. w. h. Image. Index table. Vector Quantization Encoder. Introduction (Cont.). Image compression technique. w. h. Image.

349 views • 23 slides

Gradient Match and Side Match Fractal Vector Quantizers for Images

Gradient Match and Side Match Fractal Vector Quantizers for Images. Source: IEEE Transaction on Image Processing, Vol. 11, No. 1, pp. 1- 9, January. 2002 Authors: Hsuan T. Chang Speaker: Chia-Lin Kao Date: 2004/04/26. Outline. FBC versus VQ

219 views • 21 slides

Beam codebook design scheme for IEEE802.11aj

Date: 20 13-09-16. Beam codebook design scheme for IEEE802.11aj. Presenter:. Author List. Abstract. Introduction of beam codebook Proposed N-phase beam codebook design Conclusion. Introduction of Beam codebook (1/5).

165 views • 16 slides

PROC_CODEBOOK: An Automated, General Purpose Codebook Generator

PROC_CODEBOOK: An Automated, General Purpose Codebook Generator. Kim Chantala, email: kim_chantala@unc.edu Dept of Health Behavior & Health Education Jim Terry email: jim_terry@unc.edu Carolina Population Center University of North Carolina at Chapel Hill. PROC_CODEBOOK.SAS.

301 views • 13 slides

IPUMS Extract Exercise

IPUMS Extract Exercise. Lisa Neidert Poverty/American Community Survey Workshop June 22-26, 2009. Purpose of extracting data. Modeling Regressions, etc. Recodes In familiar statistical package. IPUMS. Same data we have used with PDQ-Explore Concatenated file 1850-2007

229 views • 12 slides

t = t 0

t. t. t. s = 1. s = 2. s = 3. t = t 0. descriptors. D t. D t. Codebook. codewords. S t. S t. histogram. D. descriptors. D. D. D. Codebook (scale 1). Codebook (scale 2). codewords. c. c. c. c. histogram. c. c. c. c. c. c. c. c. c. c. c. c. d b. d e. t(c).

148 views • 4 slides

Optimized entropy-constrained vector quantization of lossy vector map compression

180 views • 1 slides