• Azriel Rosenfeld

      Articles written in Sadhana

    • Image processing in remote sensing data analysis: The state of the art

      Azriel Rosenfeld

      More Details Abstract Fulltext PDF

      Image analysis techniques applicable to remote sensing data are reviewed, with emphasis on recent developments. The topics covered include image modelling, feature detection, segmentation and classification, texture analysis, and matching.

    • Current issues in computer vision

      Rama Chellappa Azriel Rosenfeld

      More Details Abstract Fulltext PDF

      The goal of computer vision is to derive descriptive information about a scene by computer analysis of images of the scene. Vision algorithms can often serve as computational models for biological visual processes, and they also have many practical uses; but this paper treats computer vision as a subject in its own right. Vision problems are often ill-defined, ill-posed, or computationally intractable; nevertheless, successes have been achieved in many specific areas — document processing and industrial inspection, for example. We suggest that by limiting the domain of application, carefully choosing the task, using redundant data (multi-sensor, multi-frame), and applying adequate computing power, useful solutions to many vision problems can be obtained. Methods of designing such solutions are the subject of the emerging discipline ofvision engineering. With projected advances in sensor and computing technologies, the domains of applicability and ranges of problems that can be solved will gradually expand.

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