Overview

Computer vision is one of the most complex and computationally intensive problem. Like any other computationally intensive problems, parallel pro­ cessing has been suggested as an approach to solving the problems in com­ puter vision. Computer vision employs algorithms from a wide range of areas such as image and signal processing, advanced mathematics, graph theory, databases and artificial intelligence. Hence, not only are the comput­ ing requirements for solving vision problems tremendous but they also demand computers that are efficient to solve problems exhibiting vastly dif­ ferent characteristics. With recent advances in VLSI design technology, Single Instruction Multiple Data (SIMD) massively parallel computers have been proposed and built. However, such architectures have been shown to be useful for solving a very limited subset of the problems in vision. Specifically, algorithms from low level vision that involve computations closely mimicking the architec­ ture and require simple control and computations are suitable for massively parallel SIMD computers. An Integrated Vision System (IVS) involves com­ putations from low to high level vision to be executed in a systematic fashion and repeatedly. The interaction between computations and information dependent nature of the computations suggests that architectural require­ ments for computer vision systems can not be satisfied by massively parallel SIMD computers.

Full Product Details

Author:   Alok N. Choudary ,  J.H. Patel
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 1990
Volume:   108
Dimensions:   Width: 15.50cm , Height: 1.00cm , Length: 23.50cm
Weight:   0.284kg
ISBN:  

9781461288251

ISBN 10:   1461288258
Pages:   158
Publication Date:   04 February 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

1. Introduction.- 1.1. Computational Complexities in Vision.- 1.2. Review of Multiprocessor Architectures.- 1.2. Organization.- 2. Model of Computation.- 2.1. Parallelism in IVSs.- 2.2. Data Dependencies.- 2.3. Features and Capabilities of Parallel Architectures for IVSs.- 2.4. Examples of Integrated Vision Systems.- 3. Architecture of NETRA.- 3.1. Processor Clusters.- 3.2. The DSP Hierarchy.- 3.3. Global Memory.- 3.4. Global Interconnection.- 3.5. IVS Computation Requirements and NETRA.- 3.6. Comparison of NETRA with Other Architectures.- 4. Parallel Algorithms on a Cluster.- 4.1. Classification of Common Vision Algorithms.- 4.2. Issues in Mapping an Algorithm.- 4.3. Performance Evaluation of Parallel Algorithms.- 4.4. Parallel Implementation Results.- 4.5. Summary.- 5. Inter-Cluster Communication In NETRA.- 5.1. Alternatives for Inter-cluster Communication.- 5.2. Analysis of Inter-cluster Communication.- 5.3. Approach to Performance Evaluation.- 5.4. Performance of Parallel Algorithms on Multiple Clusters.- 5.5. Summary.- 6. Load Balancing and Scheduling Techniques.- 6.1. Need for Efficient Load Balancing Techniques.- 6.2. Load Balancing and Scheduling Techniques for Parallel Implementation.- 6.3. Parallel Implementation and Performance Evaluation.- 7. Concluding Remarks.- 7.1. Summary and Discussion.- 7.2. Extensions.- References.

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