Fast-frame-rate cameras using a progressive/interlace combinational scan CCD

Toshi Hori

doi:10.1117/12.236098

25 March 1996 Fast-frame-rate cameras using a progressive/interlace combinational scan CCD

Toshi Hori

Proceedings Volume 2654, Solid State Sensor Arrays and CCD Cameras; (1996) https://doi.org/10.1117/12.236098
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States

Abstract

Key progress in the development of non-TV format CCD cameras has been made in high- speed scanning rate applications. VGA format has become an industrial standard for fast speed machine vision applications. While it is important to operate a camera in high speed applications with asynchronous reset, electronic shutter, or variable integration functions in order to capture dynamic motion, conventional strobe light applications are also still important. A combinatorial-scan CCD provides VGA and high speed scanning as well as frame mode interlace scanning for such applications. The main issues of this study are: (1) the structure of combinatorial-scan CCD's, (2) a fast dump structure to operate partial scan functions and asynchronous read-out control, (3) normal interlace operation with frame mode for strobe light applications, and (4) digital processing for dual channel or special functions to achieve fast frame mode. The first model was developed for the VGA format with a single- channel CCD output requiring scanning twice that of a normal CCD. The second model studies the combination of progressive and interlace scan functions. The third model has built- in digital processing and frame memory to capture the dual channel outputs of the CCD and scan-convert to various formats.

Citation Download Citation

Toshi Hori "Fast-frame-rate cameras using a progressive/interlace combinational scan CCD", Proc. SPIE 2654, Solid State Sensor Arrays and CCD Cameras, (25 March 1996); https://doi.org/10.1117/12.236098

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KEYWORDS

Cameras

Lithium

Charge-coupled devices

CCD cameras

Clocks

Video

Camera shutters

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