The advantages of using far-infrared technology in guiding systems, warning systems or surveillance systems have been demonstrated in defense applications through a large span of imaging functions such as detection, target recognition and positive identification in complex environments. Used as a complementary tool in a set of camera sensing technologies, the far-Infrared thermal camera provides the key sense to improve system performance and increase human classification robustness. This enhanced capability relies on the detection of the unique thermal signature of a pedestrian in any weather and light conditions, day or night, without being glared by the sun or any light source. Implementing vision system based on shutterless far-infrared solution into an autonomous detection system can reduce the rate of false positive detection. Being an imaging technology, far-infrared camera using ULIS technology can be easily integrated into standard platform while minimizing computation resources required by detection algorithms thanks to the thermal signature detection.
The advantages of using far-infrared technology in guiding systems, warning systems or surveillance systems have been demonstrated in defense applications through a large span of imaging functions such as detection, target recognition and positive identification in complex environments. Used as a complementary tool in a set of ADAS sensing technologies, far-Infrared thermal camera provides the key sense to improve system performance and increase detection robustness. This enhanced capability relies on the detection of the unique thermal signature of a pedestrian, an animal or any obstacle in any weather and light conditions, day or night, without being glared by the sun or any light source. Implementing ADAS based on far-infrared solution into an autonomous vehicle level 3 and above can reduce the rate of false positive detection. Being an imaging technology, farinfrared camera using ULIS technology can be easily integrated into standard ADAS platform while minimizing computation resources required by detection algorithms thanks to the thermal signature detection.
HgCdTe (Mercury Cadmium Telluride / MCT) staring arrays for infrared detection do show constant improvements regarding their compactness and performances. New detectors are now proposed offering system solutions in the different IR wavebands and taking advantage of the latest technology improvements as well as MCT performance advantages and cost reduction.
Based on 20 years of experience in 50μm to 15μm pitch Infrared (IR) detector production, the challenge of mass production of
low-cost small-pixel pitch detectors are reviewed, from the IR chip manufacturing including detection material, hybridization, ROIC, to the integration in final packing. Taking advantage of its simple well known existing process, then the analyzes of all technological steps adapted to small pitch IR detector are presented, in terms of product performance, reliability, process statistics and capability in order to achieve high yield and low product cost. Answers given the low-cost small-pitch IR detector mass productions finally give benefits to application in terms of high performance, cost reduction, extended life time, and on the field system Life Cycle Support
Among these new detectors, one can find the family of 15 μm pixel pitch detectors a TV format (640 x 512) integrated in dedicated tactical Dewars, taking advantages on last development in coolers manufacturing and Dewar assembly.
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