Integrated, dynamic machine vision system with virtual high resolution

Peter Seitz; Martin Stalder; Jeffrey M. Raynor; Graham K. Lang; Cor L. Claeys; Ingrid Debusschere; Nico Ricquier; Giuseppe Cilia; C. Cavanna; U. Muessigmann; A. Abele

doi:10.1117/12.165212

29 December 1993 Integrated, dynamic machine vision system with virtual high resolution

Peter Seitz, Martin Stalder, Jeffrey M. Raynor, Graham K. Lang, Cor L. Claeys, Ingrid Debusschere, Nico Ricquier, Giuseppe Cilia, C. Cavanna, U. Muessigmann, A. Abele

Author Affiliations +

Proceedings Volume 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems; (1993) https://doi.org/10.1117/12.165212
Event: Electronic Imaging Device Engineering, 1993, Munich, Germany

Abstract

A novel active vision system for CIM production and inspection applications has been developed in the framework of ESPRIT II project No. 5194 (CIVIS). The system consists of a unique, integrated combination of novel components: camera head, data acquisition electronics, a custom digital image processor, control hardware and a commercial framestore, all under the direction of control and processing software on a PC-486 platform. The camera head incorporates a fast zoom lens in combination with a pan/tilt mirror system, allowing region-of-interest acquisition. The special 256 X 256 MOS image sensor offers programmable resolution and random pixel access. The unique combination of optics, optomechanics and versatile image sensor has a high `virtual resolution,' corresponding to more than 1k X 1k pixels but without the overhead of a high pixel transfer rate. The fast computation of the algorithm employed for the fractal inspection of surfaces is realized with an unusual combination of an electrically switchable hologram (for performing all linear operations at the speed of light in the optical domain), a module-based digital processor and the host computer. In this way, active vision for the inspection of concrete tile surfaces has been implemented by acquiring only relevant image data and elegantly processing them in the most appropriate domain.

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Peter Seitz, Martin Stalder, Jeffrey M. Raynor, Graham K. Lang, Cor L. Claeys, Ingrid Debusschere, Nico Ricquier, Giuseppe Cilia, C. Cavanna, U. Muessigmann, and A. Abele "Integrated, dynamic machine vision system with virtual high resolution", Proc. SPIE 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems, (29 December 1993); https://doi.org/10.1117/12.165212

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KEYWORDS

Image processing

Image sensors

Inspection

Active vision

Holograms

Zoom lenses

Cameras

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