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IEEE Transactions on Pattern Analysis and Machine Intelligence

Issue 2 • Feb. 1992

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Displaying Results 1 - 16 of 16
  • A method for registration of 3-D shapes

    Publication Year: 1992, Page(s):239 - 256
    Cited by:  Papers (5752)  |  Patents (231)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1675 KB)

    The authors describe a general-purpose, representation-independent method for the accurate and computationally efficient registration of 3-D shapes including free-form curves and surfaces. The method handles the full six degrees of freedom and is based on the iterative closest point (ICP) algorithm, which requires only a procedure to find the closest point on a geometric entity to a given point. T... View full abstract»

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  • Recursive 3-D road and relative ego-state recognition

    Publication Year: 1992, Page(s):199 - 213
    Cited by:  Papers (316)  |  Patents (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1700 KB)

    The general problem of recognizing both horizontal and vertical road curvature parameters while driving along the road has been solved recursively. A differential geometry representation decoupled for the two curvature components has been selected. Based on the planar solution of E.D. Dickmanns and A. Zapp (1986) and its refinements, a simple spatio-temporal model of the driving process makes it p... View full abstract»

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  • Adaptive 3-D object recognition from multiple views

    Publication Year: 1992, Page(s):107 - 124
    Cited by:  Papers (95)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1684 KB)

    The authors address the problem of generating representations of 3-D objects automatically from exploratory view sequences of unoccluded objects. In building the models, processed frames of a video sequence are clustered into view categories called aspects, which represent characteristic views of an object invariant to its apparent position, size, 2-D orientation, and limited foreshortening deform... View full abstract»

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  • The representation space paradigm of concurrent evolving object descriptions

    Publication Year: 1992, Page(s):146 - 156
    Cited by:  Papers (23)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1036 KB)

    A representation paradigm for instantiating and refining multiple, concurrent descriptions of an object from a sequence of imagery is presented. It is designed for the perception system of an autonomous robot that needs to describe many types of objects, initially detects objects at a distance and gradually acquires higher resolution data, and continuously collects sensory input. Since the data ch... View full abstract»

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  • 3-D shape recovery using distributed aspect matching

    Publication Year: 1992, Page(s):174 - 198
    Cited by:  Papers (128)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2008 KB)

    An approach to the recovery of 3-D volumetric primitives from a single 2-D image is presented. The approach first takes a set of 3-D volumetric modeling primitives and generates a hierarchical aspect representation based on the projected surfaces of the primitives; conditional probabilities capture the ambiguity of mappings between levels of the hierarchy. From a region segmentation of the input i... View full abstract»

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  • Understanding object configurations using range images

    Publication Year: 1992, Page(s):303 - 307
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    The authors describe techniques that generate multiple interpretations from dense range images of piles of unknown objects and methods that use physical law, such as object stability, to rank the interpretations. Each of the interpretations completely accounts for the observed range data, but the interpretations differ in the ways visible portions of objects are extended into the occluded portions... View full abstract»

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  • Performance evaluation of scene registration and stereo matching for cartographic feature extraction

    Publication Year: 1992, Page(s):214 - 238
    Cited by:  Papers (50)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2656 KB)

    Three major areas in the development of competent 3-D scene interpretation system are discussed. First, the importance of accurate automatic scene registration and the difficulty in automated extraction and matching of scene reference points are described. Second, the authors describe two stereo matching algorithms, S1, which is an area-based matcher previously used in the SPAM system, and S2, whi... View full abstract»

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  • Single lens stereo with a plenoptic camera

    Publication Year: 1992, Page(s):99 - 106
    Cited by:  Papers (326)  |  Patents (123)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB)

    Ordinary cameras gather light across the area of their lens aperture, and the light striking a given subregion of the aperture is structured somewhat differently than the light striking an adjacent subregion. By analyzing this optical structure, one can infer the depths of the objects in the scene, i.e. one can achieve single lens stereo. The authors describe a camera for performing this analysis.... View full abstract»

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  • Structural indexing: efficient 3-D object recognition

    Publication Year: 1992, Page(s):125 - 145
    Cited by:  Papers (224)  |  Patents (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1912 KB)

    The authors present an approach for the recognition of multiple 3-D object models from three 3-D scene data. The approach uses two different types of primitives for matching: small surface patches, where differential properties can be reliably computed, and lines corresponding to depth or orientation discontinuities. These are represented by splashes and 3-D curves, respectively. It is shown how b... View full abstract»

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  • Using extremal boundaries for 3-D object modeling

    Publication Year: 1992, Page(s):157 - 173
    Cited by:  Papers (118)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1436 KB)

    The extremal boundaries, of 3-D curved objects are the images of special curves drawn on the object and are called rims. They are viewpoint dependent and characterized by the fact that the optical rays of their points are tangential to the surface of the object. The mathematics of the relationship between the extremal boundaries and the surface of the object is studied. This study makes it possibl... View full abstract»

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  • Omni-directional stereo

    Publication Year: 1992, Page(s):257 - 262
    Cited by:  Papers (124)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    Omnidirectional views of an indoor environment at different locations are integrated into a global map. A single camera swiveling about the vertical axis takes consecutive images and arranges them into a panoramic representation, which provides rich information around the observation point: a precise omnidirectional view of the environment and coarse ranges to objects in it. Using the coarse map, ... View full abstract»

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  • Color reflectance modeling using a polychromatic laser range sensor

    Publication Year: 1992, Page(s):263 - 269
    Cited by:  Papers (51)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (728 KB)

    A system for simultaneously measuring the 3-D shape and color properties of objects is described. Range data are obtained by triangulation over large volumes of the scene, whereas color components are separated by means of a white laser. Details are given concerning the modeling and the calibration of the system for bidirectional reflectance-distribution functions measurements. A reflection model ... View full abstract»

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  • Using models to improve stereo reconstruction

    Publication Year: 1992, Page(s):269 - 277
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1124 KB)

    The authors propose the combination of photometric and stereometric information to solve the stereo vision problem in the case of a man-made environment. A method to introduce geometrical models in the stereo process in order to improve the accuracy of the depth measurement and to extend the depth map to points where no measurements have been made is presented. This method is based on a parameteri... View full abstract»

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  • High-resolution terrain map from multiple sensor data

    Publication Year: 1992, Page(s):278 - 292
    Cited by:  Papers (77)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1448 KB)

    The authors present 3-D vision techniques for incrementally building an accurate 3-D representation of rugged terrain using multiple sensors. They have developed the locus method to model the rugged terrain. The locus method exploits sensor geometry to efficiently build a terrain representation from multiple sensor data. The locus method is used to estimate the vehicle position in the digital elev... View full abstract»

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  • 3-D corridor modeling from a single view under natural lighting conditions

    Publication Year: 1992, Page(s):293 - 298
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (752 KB)

    The author discusses the modeling of a 3-D indoor scene from a single view using a generic object model. It is assumed that an image is made by a well-calibrated camera, and that the camera height above the floor is known. The image is assumed to be a projection of a natural corridor scene from which a generic model is known, but the specific model is unknown. This system can model any corridor th... View full abstract»

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  • The recovery and understanding of a line drawing from indoor scenes

    Publication Year: 1992, Page(s):298 - 303
    Cited by:  Papers (15)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1024 KB)

    A general procedure for the understanding of a class of indoor scenes is proposed. The suggested algorithm makes use of an extensive 2-D processing of the image that provides a faithful line drawing of the viewed scene. It also uses procedures adequate for the understanding of the 3-D structure and for the recognition of several items in the scene. The approach is specific for indoor scenes, such ... View full abstract»

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Aims & Scope

The IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI) is published monthly. Its editorial board strives to present most important research results in areas within TPAMI's scope.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Sven Dickinson
University of Toronto
e-mail: sven@cs.toronto.edu