1 January 1992 Characterization of high-speed video systems: tests and analyses
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Abstract
The current method of munitions systems testing uses film cameras to record airborne events such as store separation. After film exposure, much time is spent in developing the film and analyzing the images. If the analysis uses digital methods, additional time is required to digitize the images preparatory to the analysis phase. Because airborne equipment parameters such as exposure time cannot be adjusted in flight, images often suffer as a result of changing lighting conditions. Image degradation from other sources may occur in the film development process, and during digitizing. Advances in the design of charge-coupled device (CCD) cameras and mass storage devices, coupled with sophisticated data compression and transmission systems, provide the means to overcome these shortcomings. A system can be developed where the image sensor provides an analog electronic signal and, consequently, images can be digitized and stored using digital mass storage devices or transmitted to a ground station for immediate viewing and analysis. All electronic imaging and processing offers the potential for improved data quality, rapid response time and closed loop operation. This paper examines high speed, high resolution imaging system design issues assuming an electronic image sensor will be used. Experimental data and analyses are presented on the resolution capability of current film and digital image processing technology. Electrical power dissipation in a high speed, high resolution CCD array is also analyzed.
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Patrick N. Carlton, Patrick N. Carlton, Eugene R. Chenette, Eugene R. Chenette, W. Jeffrey Rowe, W. Jeffrey Rowe, Donald R. Snyder, Donald R. Snyder, "Characterization of high-speed video systems: tests and analyses", Proc. SPIE 1539, Ultrahigh- and High-Speed Photography, Videography, and Photonics '91, (1 January 1992); doi: 10.1117/12.50544; https://doi.org/10.1117/12.50544
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