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IEEE Transactions on Pattern Analysis and Machine Intelligence

Issue 12 • Dec. 1997

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Displaying Results 1 - 12 of 12
  • A robust visual method for assessing the relative performance of edge-detection algorithms

    Publication Year: 1997, Page(s):1338 - 1359
    Cited by:  Papers (243)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3693 KB)

    A new method for evaluating edge detection algorithms is presented and applied to measure the relative performance of algorithms by Canny, Nalwa-Binford, Iverson-Zucker, Bergholm, and Rothwell. The basic measure of performance is a visual rating score which indicates the perceived quality of the edges for identifying an object. The process of evaluating edge detection algorithms with this performa... View full abstract»

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  • Comments on "Nonparametric segmentation of curves into various representations" [with reply]

    Publication Year: 1997, Page(s):1391 - 1394
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (27 KB)

    The author points out the existence of a theoretical difficulty that underlies the curve segmentation problem studied in the work of Rosin and West (ibid., vol.17, no.12, p.1140-53, 1995) and present a possible solution to it. The problem arises because curves are segmented into low- and high-order features, and the former are a subset of the latter. In reply, Rosin and West discuss the advantages... View full abstract»

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  • Response to Kanatani

    Publication Year: 1997, Page(s):1393 - 1394
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (94 KB)

    First Page of the Article
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  • 1997 Index IEEE Transactions on Pattern Analysis and Machine Intelligence Vol. 19

    Publication Year: 1997, Page(s):1 - 13
    Request permission for commercial reuse | PDF file iconPDF (178 KB)
    Freely Available from IEEE
  • A state-based approach to the representation and recognition of gesture

    Publication Year: 1997, Page(s):1325 - 1337
    Cited by:  Papers (144)  |  Patents (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (960 KB)

    A state-based technique for the representation and recognition of gesture is presented. We define a gesture to be a sequence of states in a measurement or configuration space. For a given gesture, these states are used to capture both the repeatability and variability evidenced in a training set of example trajectories. Using techniques for computing a prototype trajectory of an ensemble of trajec... View full abstract»

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  • Supervised template estimation for document image decoding

    Publication Year: 1997, Page(s):1313 - 1324
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    An approach to supervised training of character templates from page images and unaligned transcriptions is proposed. The template training problem is formulated as one of constrained maximum likelihood parameter estimation within the document image decoding framework. This leads to a three-phase iterative training algorithm consisting of transcription alignment, aligned template estimation (ATE), ... View full abstract»

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  • Representation and recognition of handwritten digits using deformable templates

    Publication Year: 1997, Page(s):1386 - 1390
    Cited by:  Papers (97)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (164 KB)

    We investigate the application of deformable templates to recognition of handprinted digits. Two characters are matched by deforming the contour of one to fit the edge strengths of the other, and a dissimilarity measure is derived from the amount of deformation needed, the goodness of fit of the edges, and the interior overlap between the deformed shapes. Classification using the minimum dissimila... View full abstract»

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  • On-line cursive Kanji character recognition using stroke-based affine transformation

    Publication Year: 1997, Page(s):1381 - 1385
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (128 KB)

    We present a distortion-tolerant online cursive Kanji character recognition method that absorbs the stroke-based handwriting distortion expressible by uniform affine transformation. Experiments are made using two kinds of test data in the square style and in the cursive style for 2,980 Kanji character categories; recognition rates of 98.4 percent and 96.0 percent are obtained View full abstract»

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  • Error-tolerant retrieval of trees

    Publication Year: 1997, Page(s):1376 - 1380
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (80 KB)

    We present an efficient algorithm for retrieving from a database of trees, all trees that differ from a given query tree by a small number additional or missing leaves, or leaf label changes. It has natural language processing applications in searching for matches in example-based translation systems, and retrieval from lexical databases containing entries of complex feature structures. For large ... View full abstract»

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  • Telecentric optics for focus analysis

    Publication Year: 1997, Page(s):1360 - 1365
    Cited by:  Papers (43)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (840 KB)

    Magnification variations due to changes in focus setting pose problems for vision techniques, such as, depth from focus and defocus. The magnification of a conventional lens can be made invariant to defocus by simply adding an aperture at an analytically derived location. The resulting optical configuration is called “telecentric”. It is shown that most commercially available lenses ca... View full abstract»

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  • An integral approach to free-form object modeling

    Publication Year: 1997, Page(s):1366 - 1370
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Presents an approach to free-form object modeling from multiple range images. In most conventional approaches, successive views are registered sequentially. In contrast to the sequential approaches, we propose an integral approach which reconstructs statistically optimal object models by simultaneously aggregating all data from multiple views into a weighted least-squares (WLS) formulation. The in... View full abstract»

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  • A new criterion in selection and discretization of attributes for the generation of decision trees

    Publication Year: 1997, Page(s):1371 - 1375
    Cited by:  Papers (18)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (120 KB)

    It is important to use a better criterion in selection and discretization of attributes for the generation of decision trees to construct a better classifier in the area of pattern recognition in order to intelligently access huge amount of data efficiently. Two well-known criteria are gain and gain ratio, both based on the entropy of partitions. We propose in this paper a new criterion based also... 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