Abstract

Digital images are large arrays of data with array elements all treated in a similar way. “Architecures for image processing” immediately suggests parallel processors because of the enormous increase in speed. These processors enhance images in real time - TV rates - but this is less of a consideration where image collection takes more than a few seconds. Further, these machines are expensive and programming is difficult. For example, when the image is divided among processors as in Fig. 1 and 2, problems arise at the edges of the pieces. Issues such as cost, flexibility, ease of use and data integrity are often of more interest to the microscopist.Desktop computers present an ideal environment for off line processing of images with a few thousand pixels on an edge. These computers are adequately fast, they have sufficient storage and communication capability, and the software is less expensive than equivalent software for workstations or larger computers.

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