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Pattern Analysis and Machine Intelligence, IEEE Transactions on

Issue 1 • Date Jan 2004

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Displaying Results 1 - 20 of 20
  • The image foresting transform: theory, algorithms, and applications

    Publication Year: 2004 , Page(s): 19 - 29
    Cited by:  Papers (87)  |  Patents (2)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1616 KB)  

    The image foresting transform (IFT) is a graph-based approach to the design of image processing operators based on connectivity. It naturally leads to correct and efficient implementations and to a better understanding of how different operators relate to each other. We give here a precise definition of the IFT, and a procedure to compute it-a generalization of Dijkstra's algorithm-with a proof of... View full abstract»

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  • The use of force histograms for affine-invariant relative position description

    Publication Year: 2004 , Page(s): 1 - 18
    Cited by:  Papers (13)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (4968 KB)  

    Affine invariant descriptors have been widely used for recognition of objects regardless of their position, size, and orientation in space. Examples of color, texture, and shape descriptors abound in the literature. However, many tasks in computer vision require looking not only at single objects or regions in images but also at their spatial relationships. In an earlier work, we showed that the r... View full abstract»

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  • Affine invariant features from the trace transform

    Publication Year: 2004 , Page(s): 30 - 44
    Cited by:  Papers (34)  |  Patents (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (4402 KB)  

    The trace transform is a generalization of the Radon transform that allows one to construct image features that are invariant to a chosen group of image transformations. In this paper, we propose a methodology and appropriate functionals that can be computed from the image function and which can be used to calculate features invariant to the group of affine transforms. We demonstrate the usefulnes... View full abstract»

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  • Stereo reconstruction from multiperspective panoramas

    Publication Year: 2004 , Page(s): 45 - 62
    Cited by:  Papers (16)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (6601 KB)  

    A new approach to computing a panoramic (360 degrees) depth map is presented in this paper. Our approach uses a large collection of images taken by a camera whose motion has been constrained to planar concentric circles. We resample regular perspective images to produce a set of multiperspective panoramas and then compute depth maps directly from these resampled panoramas. Our panoramas sample uni... View full abstract»

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  • Smart nonlinear diffusion: a probabilistic approach

    Publication Year: 2004 , Page(s): 63 - 72
    Cited by:  Papers (7)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1896 KB)  

    In this paper, a stochastic interpretation of nonlinear diffusion equations used for image filtering is proposed. This is achieved by relating the problem of evolving/smoothing images to that of tracking the transition probability density functions of an underlying random process. We show that such an interpretation of, e.g., Perona-Malik equation, in turn allows additional insight and sufficient ... View full abstract»

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  • Transparent surface modeling from a pair of polarization images

    Publication Year: 2004 , Page(s): 73 - 82
    Cited by:  Papers (28)  |  Patents (5)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2201 KB)  

    We propose a method for measuring surface shapes of transparent objects by using a polarizing filter. Generally, the light reflected from an object is partially polarized. The degree of polarization depends upon the incident angle, which, in turn, depends upon the surface normal. Therefore, we can obtain surface normals of objects by observing the degree of polarization at each surface point. Unfo... View full abstract»

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  • Fundamental limits of reconstruction-based superresolution algorithms under local translation

    Publication Year: 2004 , Page(s): 83 - 97
    Cited by:  Papers (78)  |  Patents (21)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (5485 KB)  

    Superresolution is a technique that can produce images of a higher resolution than that of the originally captured ones. Nevertheless, improvement in resolution using such a technique is very limited in practice. This makes it significant to study the problem: "Do fundamental limits exist for Superresolution?" In this paper, we focus on a major class of superresolution algorithms, called the recon... View full abstract»

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  • Reactive control of zoom while fixating using perspective and affine cameras

    Publication Year: 2004 , Page(s): 98 - 112
    Cited by:  Papers (16)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (6380 KB)  

    This paper describes reactive visual methods of controlling the zoom setting of the lens of an active camera while fixating upon an object. The first method assumes a perspective projection and adjusts zoom to preserve the ratio of focal length to scene depth. The active camera is constrained to rotate, permitting self-calibration from the image motion of points on the static background. A planar ... View full abstract»

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  • Robust histogram construction from color invariants for object recognition

    Publication Year: 2004 , Page(s): 113 - 118
    Cited by:  Papers (20)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (825 KB)  

    An effective object recognition scheme is to represent and match images on the basis of histograms derived from photometric color invariants. A drawback, however, is that certain color invariant values become very unstable in the presence of sensor noise. To suppress the effect of noise for unstable color invariant values, in this paper, histograms are computed by variable kernel density estimator... View full abstract»

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  • Topologically faithful fitting of simple closed curves

    Publication Year: 2004 , Page(s): 118 - 123
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1031 KB)  

    Implicit representations of curves have certain advantages over explicit representation, one of them being the ability to determine with ease whether a point is inside or outside the curve (inside-outside functions). However, save for some special cases, it is not known how to construct implicit representations which are guaranteed to preserve the curve's topology. As a result, points may be erron... View full abstract»

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  • Online handwritten script recognition

    Publication Year: 2004 , Page(s): 124 - 130
    Cited by:  Papers (20)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1530 KB)  

    Automatic identification of handwritten script facilitates many important applications such as automatic transcription of multilingual documents and search for documents on the Web containing a particular script. The increase in usage of handheld devices which accept handwritten input has created a growing demand for algorithms that can efficiently analyze and retrieve handwritten data. This paper... View full abstract»

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  • Two-dimensional PCA: a new approach to appearance-based face representation and recognition

    Publication Year: 2004 , Page(s): 131 - 137
    Cited by:  Papers (630)  |  Patents (7)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2462 KB)  

    In this paper, a new technique coined two-dimensional principal component analysis (2DPCA) is developed for image representation. As opposed to PCA, 2DPCA is based on 2D image matrices rather than 1D vectors so the image matrix does not need to be transformed into a vector prior to feature extraction. Instead, an image covariance matrix is constructed directly using the original image matrices, an... View full abstract»

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  • 2003 Reviewers list

    Publication Year: 2004 , Page(s): 138 - 141
    Save to Project icon | Request Permissions | PDF file iconPDF (181 KB)  
    Freely Available from IEEE
  • IEEE Transactions on Pattern Analysis and Machine Intelligence

    Publication Year: 2004 , Page(s): c1
    Save to Project icon | Request Permissions | PDF file iconPDF (245 KB)  
    Freely Available from IEEE
  • IEEE Transactions on Pattern Analysis and Machine Intelligence

    Publication Year: 2004 , Page(s): 0_2
    Save to Project icon | Request Permissions | PDF file iconPDF (224 KB)  
    Freely Available from IEEE
  • New for 2004!

    Publication Year: 2004 , Page(s): 142
    Save to Project icon | Request Permissions | PDF file iconPDF (74 KB)  
    Freely Available from IEEE
  • New for 2004!

    Publication Year: 2004 , Page(s): 143
    Save to Project icon | Request Permissions | PDF file iconPDF (74 KB)  
    Freely Available from IEEE
  • Not a member yet?

    Publication Year: 2004 , Page(s): 144
    Save to Project icon | Request Permissions | PDF file iconPDF (98 KB)  
    Freely Available from IEEE
  • Information for authors

    Publication Year: 2004 , Page(s): 145
    Save to Project icon | Request Permissions | PDF file iconPDF (224 KB)  
    Freely Available from IEEE
  • IEEE Computer Society

    Publication Year: 2004 , Page(s): 146
    Save to Project icon | Request Permissions | PDF file iconPDF (245 KB)  
    Freely Available from IEEE

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.

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Meet Our Editors

Editor-in-Chief
David A. Forsyth
University of Illinois