29 April 2009 Multi-task single lens for automotive vision applications
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Abstract
The increasing trend to use vision sensors in transportation is driven both by legislation and consumer demands for higher safety and better driving experiences. Awareness of what surrounds an automotive vehicle can directly affect the safe driving and maneuvering of that vehicle. Consequently, panoramic 360° field-of-view (FoW) imaging is becoming an industry prerequisite. However, to obtain a complete view of the area around a vehicle, several sensor systems are necessary. This paper explains how panomorph optics can satisfy the needs of various vision applications with only one sensor or panomorph lens configuration. A panomorph lens is a hemispheric wide-angle anamorphic lens with enhanced resolution in a predefined zone of interest. Because panomorph lenses feature an optimal pixel-per-degree relationship, the resulting vision systems provide ideal area coverage, which in turn reduces and maximizes the processing. Here we present how panomorph technology is one of the most promising ways to integrate many automotive vision applications (processing/viewing) onto one single camera module. For example: a single panomorph sensor on the front of a vehicle could provide all the information necessary for assistance in crash avoidance, lane tracking, early warning alerts, parking aids, road sign and pedestrian detection, as well as various video monitoring views for difficult areas such as blind spots. Keywords: wide-angle lens, panoramic, panomorph, immersive, hemispheric, anamorphic, 360° vision systems, vision sensors, automotive vehicles, field of view, transportation, driver assistance systems, lane tracking, blind spot, pedestrian detection, road sign detection, parking assistance
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Patrice Roulet, Patrice Roulet, Pierre Konen, Pierre Konen, Simon Thibault, Simon Thibault, } "Multi-task single lens for automotive vision applications", Proc. SPIE 7314, Photonics in the Transportation Industry: Auto to Aerospace II, 731409 (29 April 2009); doi: 10.1117/12.821296; https://doi.org/10.1117/12.821296
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