Abstract

An engineering technique is proposed for predicting how atmospheric haze reduces the image contrast of ground objects observed under daytime conditions using a wide-angle forward-viewing television camera when the objects lie close to the upper edge of the camera’s field of view when this contrast is optimized for objects located close to the lower limit of its field of view. Suitable estimates are calculated for typical radiance factors of the objects and the ambient background and a typical field of view of the camera, thereby optimizing the choice of the angle of deviation of the camera axis from the horizontal.

© 2017 Optical Society of America

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