'Brute force search' presentation slideshows

Why Computer Security

Why Computer Security. The past decade has seen an explosion in the concern for the security of information Malicious codes (viruses, worms, etc.) caused over $28 billion in economic losses in 2003, and will grow to over $75 billion by 2007

1.54k views • 107 slides

Parallel and Concurrent Haskell Part I

Parallel and Concurrent Haskell Part I. Simon Marlow (Microsoft Research, Cambridge, UK). Concurrent data structures. Locks. Asynchronous agents. Threads. Parallel Algorithms. All you need is X. Where X is actors, threads, transactional memory, futures...

988 views • 84 slides

Rigid-Body Alignment

Rigid-Body Alignment. 3D Scan Matching and Registration, Part II ICCV 2005 Short Course Szymon Rusinkiewicz Princeton University. Pairwise Rigid Registration Goal. Align two partially- overlapping meshes given initial guess for relative transform. Outline. ICP: Iterative Closest Points

1.29k views • 57 slides

Classical cryptography

Classical cryptography. plain text ? English -a contiguous stream of alphabetic characters Remove all non-alphabetic characters - comma , spaces, full stop, etc . a stream of small letters cipher text ? a stream of Capital letters Message: ?

771 views • 57 slides

Fitting: Deformable contours

Fitting: Deformable contours. Tuesday, September 24 th 2013 Devi Parikh Virginia Tech.

641 views • 54 slides

Fitting: Deformable contours

Fitting: Deformable contours. Monday, Feb 21 Prof. Kristen Grauman UT-Austin. Recap so far: Grouping and Fitting. Goal: move from array of pixel values (or filter outputs) to a collection of regions, objects, and shapes. Grouping: Pixels vs. regions.

647 views • 52 slides

Mining Historical Archives for Near-Duplicate Figures

Mining Historical Archives for Near-Duplicate Figures. Thanawin (Art) Rakthanmanon, Qiang Zhu, Eamonn J. Keogh. What is a near-duplicate pattern (motif)?. Biddulphia alternans. [20] A synopsis of the British Diatomaceae , 1853.

606 views • 46 slides

Asymmetric Interactions in Symmetric Multicore Systems: Analysis, Enhancements, and Evaluation

Asymmetric Interactions in Symmetric Multicore Systems: Analysis, Enhancements, and Evaluation. Tom Scogland * P. Balaji + W. Feng * G. Narayanaswamy * Virginia Tech * Argonne National Laboratory +. Background. Core 0. Core 2. Core 1. Core 3. L1 Cache. L1 Cache. L1 Cache.

552 views • 43 slides

Modern Block Ciphers

Modern Block Ciphers. now look at modern block ciphers one of the most widely used types of cryptographic algorithms provide secrecy /authentication services focus on DES (Data Encryption Standard) to illustrate block cipher design principles. Block vs Stream Ciphers.

538 views • 34 slides

Announcements

467 views • 33 slides

Automatic Feature Extraction for Multi-view 3D Face Recognition

Automatic Feature Extraction for Multi-view 3D Face Recognition. Xiaoguang Lu Anil K. Jain Michigan State University. OUTLINE. INTRODUCTION Feature Extraction Automatic Face Recognition Experiments and Discussion Conclusions and Future Work. INTRODUCTION.

488 views • 29 slides

DATA ENCRYPTION STANDARD (DES)

DATA ENCRYPTION STANDARD (DES). Outline. History Encryption Key Generation Decryption Strength of DES Ultimate. History. In 1971, IBM developed an algorithm, named LUCIFER which operates on a block of 64 bits , using a 128-bit key.

1.37k views • 27 slides

A Random Parallel Approximation Algorithm for the 0-1 Knapsack Problem

A Random Parallel Approximation Algorithm for the 0-1 Knapsack Problem. Michael Adams. Problem Description. Items with weights and values Knapsack with weight capacity Highest value selection under capacity NP-hard Combinatorial optimization. Quality-Up. Low value answer ? in low Q%

373 views • 26 slides

The break and continue statements

The break and continue statements. Introduction. There are 2 special statements that can affect the execution of loop statements (such as a while-statement ) The special statements are:

1.68k views • 25 slides

Abstraction-Guided Synthesis of synchronization

349 views • 24 slides

Introduction to Information Security Chapter II : Classical Ciphers

Introduction to Information Security Chapter II : Classical Ciphers. Contents . History of cryptographic research Substitution ciphers Caesar ciphers Affine ciphers Monoalphabetic substitution cipher Homophonic substitution cipher Polyalphabetic substitution cipher

359 views • 16 slides

Sphere Decoding Algorithm for MIMO Detection

Sphere Decoding Algorithm for MIMO Detection. Arslan Zulfiqar. Motivation. Future mobile applications include Mobile TV High Speed Internet Future wireless systems need to provide High Data Rate High Quality of Service (QoS) Key challenges Hostile propagation environment

843 views • 12 slides

Chapter 3: Brute Force

The Design and Analysis of Algorithms. Chapter 3: Brute Force. Chapter 3. Brute Force Algorithms. Basic Idea Brute Force Search and Sort Brute Force String Matching Closest Pair and Convex Hull Problems Exhaustive Search Conclusion. Basic Idea.

315 views • 12 slides

Recognition by Appearance

Recognition by Appearance. Appearance-based recognition is a competing paradigm to features and alignment. No features are extracted! Images are represented by basis functions (eigenvectors) and their coefficients . Matching is performed on this compressed image representation.

183 views • 12 slides

Game playing

Game playing. Types of games Deterministic vs. chance Perfect vs. imperfect information Active area of research Why? Clear criteria for success Interesting, hard problems Fun Typical game 2-player, zero sum game Players alternate moves Perfect information, no chance Examples?.

269 views • 12 slides