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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： HU, GZ Central Michigan Univ. (United States)

ISBN: (纸本)0819404489

A segmentation approach is presented that uses combined information of range data and structured light. Structured light are good for extracting surface patches that cannot be easily obtained from gray scale images. Furthermore surface normal discontinuity can be detected at light stripe flection points. Accidental alignments of light stripes may confuse the boundaries of surfaces that are at different depths. This problem can be solved using range data that are specially good for detecting depth discontinuity.

关键词： Image segmentation Structured light Robot vision Image processing algorithms and systems computer vision technology Machine vision robots Algorithm development Detection and tracking algorithms 3D image processing

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SHAPE RECONSTRUCTION AND OBJECT RECOGNITION USING ANGLES IN AN IMAGE

SHAPE RECONSTRUCTION AND OBJECT RECOGNITION USING ANGLES IN ...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： FUKADA, Y ATR Auditory and Visual Perception Research Labs. (Japan)

ISBN: (纸本)0819404489

This paper describes an algorithm which recovers 6 degrees of freedom ( that is rotational and translational matrices R and T ) of polyhedral objects using L-corners in a monocular image. First the gradients of the cirtain object''s faces are determined using the constraints derived from angles of L-corners. R accompanied by the object is then determined. Second a constraint concerning T is derived from a junction point of a Lcorner. After that T is determined using a set of constraints derived from the L-corners that contributed to the determination of R. By assembling only those L-corners the cirtain object is recognized.

关键词： Cameras robots computer vision technology Machine vision Robot vision Detection and tracking algorithms Image restoration Object recognition 3D image processing Imaging systems

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MISCIBILITY MATRICES EXPLAIN THE BEHAVIOR OF GRAYSCALE TEXTURES GENERATED BY GIBBS RANDOM-FIELDS

MISCIBILITY MATRICES EXPLAIN THE BEHAVIOR OF GRAYSCALE TEXTU...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： ELFADEL, IM PICARD, RW Massachusetts Institute of Technology (United States)

ISBN: (纸本)0819404489

This paper describes an original approach to the analysis and prediction of graylevel textures generated as equilibrium states of Gibbs/Markov random fields. This approach is physically motivated by the analogy that exists between the graylevel textures and the miscibility patterns of multiphase flows. The physics of the situation is captured using miscibility matrices that are related to the co-occurrence matrices classically used for texture discrimination. Simulations are provided to motivate and illustrate our approach.

关键词： Matrices Magnetorheological finishing robots computer vision technology Machine vision Robot vision Optimization (mathematics) Binary data Physics computer programming

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ON THE COMPLEXITY OF COMPUTING REACHABLE WORKSPACES FOR REDUNDANT MANIPULATORS

ON THE COMPLEXITY OF COMPUTING REACHABLE WORKSPACES FOR REDU...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： ALAMELDIN, T PALIS, M RAJASEKARAN, S BADLER, N Univ of Pennsylvania Philadelphia United States

ISBN: (纸本)0819404489

The complexity of computing 3D workspaces for joint limited redundant manipulators is examined. Different types of reachable workspace volume and reachable workspace boundary problems are defined. Each type of volume problem is at least as hard as its corresponding type of boundary problem, and each problem type is at least NP hard. New efficient and adaptive workspace point computation techniques are proposed (e.g. based on nonlinear programming) after complexity analyses of the corresponding decision problems.

关键词： robots, Industrial

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PATTERN SPECTRUM MORPHOLOGY FOR TEXTURE-DISCRIMINATION AND OBJECT RECOGNITION

PATTERN SPECTRUM MORPHOLOGY FOR TEXTURE-DISCRIMINATION AND O...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： LEE, BG TOM, VT Atlantic Aerospace Electronics Corp. (United States)

ISBN: (纸本)0819404489

The pattern spectrum describes the shape and size of structures in an n-dimensional signal. Measurement of the pattern spectrum is based on morphological operations which use a variety of structuring elements to filter a signal at multiple spatial scales. This paper reports on the use of pattern spectra in the grayscale domain for classifying different textures and in the binary domain for object recognition. The advantage of morphological image processing is that it is based on highly parallel primitive operations which are amenable to large-scale implementation in real-time signal processing hardware.

关键词： Image filtering Binary data computer vision technology Machine vision Optical filters Robot vision robots Electronic filtering Image classification Buildings

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KNOWLEDGE-BASED SYSTEM FOR ANALYSIS OF AERIAL IMAGES

KNOWLEDGE-BASED SYSTEM FOR ANALYSIS OF AERIAL IMAGES

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： SHARIAT, H Lockheed Palo Alto Research Lab. (United States)

ISBN: (纸本)0819404489

In this paper we describe a system for monitoring activities in aerial images. The system uses many knowledge sources and databases to guide the interpretation process. It has an innovative control scheme for managing the execution of the tasks utilizing of its knowledge sources and updating of its many databases. As a result the system not only is aware of the existence and usefulness of all knowledge present in its vanous databases it also knows how to use that knowledge and the processing modules in cooperation to achieve a common goal of detecting events of interests from a set of aerial photographs. Also to overcome the difficulties of the object recognition task a model-based technique is used to detect predict verify and recognize the objects of interests in the scene.

关键词： Image segmentation Databases Image understanding computer vision technology Image analysis Machine vision Image processing Robot vision robots Visual process modeling

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intelligent PACKAGING AND MATERIAL HANDLING

INTELLIGENT PACKAGING AND MATERIAL HANDLING

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： HALL, E SHELL, R SLUTZKY, G Univ. of Cincinnati (United States)

ISBN: (纸本)0819404489

The problem of palletizing (stacking on a pallet) randomly arriving mixed size and content parcels is an important task in most distribution warehouses. Today this task requires human interaction for a solution however recently several attempts have been made to automate the solution. The purpose of this paper is to present an overview of the problem an expert system approach and an estimate of the key subproblems which have been identified which are necessary for a solution. The concepts of space filling and emptying as encountered in warehousing are briefly described. Also brief descriptions of two generations of a robotic system for mixed parcel palletizing are presented. The results with these test systems indicate that automatic parcel handling at speeds comparable to humans is feasible however further work is required to obtain a robust solution.

关键词： robots Sensors Robot vision Computing systems Packaging 3D metrology Intelligence systems Object recognition Machine vision Algorithm development

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INTEGRATION OF A computer vision SYSTEM WITH AN IBM-7535 ROBOT

INTEGRATION OF A COMPUTER VISION SYSTEM WITH AN IBM-7535 ROB...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： GONZALEZ, O JOHNSON, C STARKS, S Univ. of Texas/El Paso (United States)

ISBN: (纸本)0819404489

A robot is a powerful production tool, however, an "intelligent robot" with flexible control is often needed to acomplish complex tasks and to adapt to changes in its working enviroment. This paper describes the integration of machine vision with a robot to accomplish this. The system integrates an IBM 7535 industrial 7535 Industrial Robot, with four degrees of freedom, with its own programming language, AML/Entry, and a vision System from Intelledex Inc. The IBM has its own programming language AML/ENTRY, as does the Intelledex vision system, vision BASIC. The major objective of the project was to interface the controller of the IBM 7535 robot with host processor (a compatible IBM AT) to a vision system. In an operational scenario, the vision system is tasked with the responsabilities of recognizing an object and determining its location and orientation. Based on this information, the robot is able to pick up the object and transfer it to a pre-defined destination. The paper describes how the interfaces were developed.

关键词： Cameras Machine vision Robot vision Computing systems computer vision technology Calibration Imaging systems computer programming Human-machine interfaces Telecommunications

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IMAGE-ANALYSIS USING ATTRIBUTED FUZZY TOURNAMENT MATCHING ALGORITHM

IMAGE-ANALYSIS USING ATTRIBUTED FUZZY TOURNAMENT MATCHING AL...

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CONF ON intelligent robots AND computer vision 9 : algorithms AND techniques

作者： SHAOUT, A Univ. of Michigan (United States)

ISBN: (纸本)0819404489

Attributed Fuzzy Tournaments (AFT''s) are a special type of attributed fuzzy graphs which are useful to represent uncertainties inherent to many realworld problems. A new algorithm that finds the best fuzzy matching configuration between components of two Attributed Fuzzy Transitive Tournaments (AFTT''s) is proposed. The best fuzzy matching between two AFTT''s is the matching configuration between components of both AFTT''s such that the overall distance measure between two AFTT''s possesses the minimum value. Useful applications of the proposed algorithm can be found in scene matching where the nodes of an AFT represent the objects in the scene and the arcs represent the relationships among the objects. Uncertainties of the image are represented via fuzzy membership values associated with the nodes and arcs. An examples showing the usefulness of the algorithm in pattern matching is shown through image analysis. I.

关键词： Distance measurement Fuzzy logic computer vision technology Image analysis Machine vision Robot vision robots Matrices Systems modeling Visual process modeling

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Model-based human face recognition in intelligent vision

Proceedings of SPIE - The International Society for Optical ...

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Proceedings of SPIE - The International Society for Optical Engineering 1996年 2904卷 88-99页

作者： Cai, Defu Liang, Huiying Wang, Xiangwen Chen, Jiaofan Inst. of Electronics Beijing China

ISBN: (纸本)0819423068;9780819423061

The face recognition, one of the most important ability of intelligent vision, are discussed in this paper. A new idea of model-based processing are presented. The algorithms of face modeling, global matching and fine matching, and feature points extraction etc. are given. Finally, a rapid and robust scheme for human face recognition are resulted.

关键词： Pattern recognition

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