New developments in optical grating technology for machine vision and industrial sensors

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3208, Issue , 1997, Pages 428-436

  Schaefer, R ^a   Schwab, J ^a   Lauinger, N ^a  

^a CORRSYS GmbH ^*  (Germany)

Author keywords

Length and velocity measurement; Multi channel range; Multi layer gratings; Optical gratings

Indexed keywords

COMPUTER VISION; IMAGE PROCESSING; INTELLIGENT MATERIALS; INTELLIGENT ROBOTS; MATERIALS HANDLING EQUIPMENT; OPTICAL CORRELATION; OPTICAL SENSORS; PHYSIOLOGICAL MODELS; PLANT LAYOUT; ROBOTICS; SENSORS; SIGNAL PROCESSING; TRUCKS; VELOCITY MEASUREMENT;

APPLICATIONS.; CORRELATION SYSTEMS; ELECTRONIC SIGNAL PROCESSING; GRATING MANUFACTURING; HOLOGRAPHIC MATERIALS; IMAGE TRANSFORMATIONS; INDUSTRIAL INSPECTIONS; INDUSTRIAL SENSORS; LENGTH AND VELOCITY MEASUREMENT; LIGHT ILLUMINATIONS; MACHINE VISIONS; MULTI-CHANNEL RANGE; MULTI-LAYER GRATINGS; NEW DEVELOPMENTS; NON-COHERENT; OBJECT MOTIONS; OPTICAL GRATINGS; PHYSIOLOGICAL EFFECTS; RANGE SENSORS; RETINA MODELS; SELF-IMAGING; TIME SIGNALS;

MATERIALS HANDLING;

EID: 23544436355     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.290314     Document Type: Conference Paper

References (9)

1. R. Schaefer and J. Schwab, "Multiple channel passive 3-D range sensor", Proc. SPIE, Vol. 3100, (1997), Munich.
2. German Patent No. DE 19649074A1; International Patent No. WO 97/22849
3. H. Talbot, "Facts relating to optical science", Philos. Mag., Vol. 9, No. 56, (1836).
4. O. Bryngdahl, "Image formation using self-imaging techniques", JOSA Vol. 63, pp. 416-419, (1973).
5. J. Jahns, A. Lohmann, and J. Ojeda-Castaneda, "Talbot and Lau effects, a parageometrical approach", Optica Acta, Vol. 31, No. 3, pp. 313-324, (1984).
6. H. -O. Carmesin and D. Goldbeck, "Depth map by converget 3-D-Talbot-Interferometry", to be published in Optik, (1997).
7. N. Lauinger, "Inverted retina of the human eye: a trichromatic 4-D space-time optical correlator", Proc. SPIE, Vol. 2904, pp. 344-360, (1996), Boston.
8. N. Lauinger, "Transformation of light double cones in the human retina: The origin of trichromatisme, of 4D-spatiotemporal vision and of patchwise 4D Fourier transformation in Talbot imaging", to be presented at SPIE conference on Intelligent Robots and Computer Vision XVI, (1997), Pittsburgh
9. S. Kusch, J. Schwab, and N. Lauinger, "An optical filter performing localized image transformations using volume holograms", to be presented at SPIE conference on Intelligent Robots and Computer Vision XVI, (1997), Pittsburgh.