Fast Foveating Cameras for Dense Adaptive Resolution

Fast Foveating Cameras for Dense Adaptive Resolution
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快速注视点相机,实现密集自适应分辨率

DOI:
10.1109/tpami.2021.3071588
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发表时间:
2021
影响因子:
23.6
通讯作者:
Koppal, Sanjeev Jagannatha
Koppal, Sanjeev Jagannatha
中科院分区:
计算机科学1区
文献类型:
--
作者:
Tilmon, Brevin;Jain, Eakta;Ferrari, Silvia;Koppal, Sanjeev Jagannatha

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传统的摄像机视场和分辨率决定了计算机视觉算法的性能。这些权衡决定了计算机视觉算法的范围和性能。我们提出了一种新型的凹凸摄像机,其视点由可编程的微电子机械(MEMS)镜动态调制,从而获得了一台自然高角分辨率的宽视场摄像机,能够同时密集地成像场景中的多个感兴趣区域。我们介绍了校准、新颖的MEMS控制算法、实时原型,并与传统智能手机进行了远程眼球跟踪性能的比较。传统智能手机需要高角分辨率和宽视场,但传统智能手机无法提供。
Traditional cameras field of view (FOV) and resolution predetermine computer vision algorithm performance. These trade-offs decide the range and performance in computer vision algorithms. We present a novel foveating camera whose viewpoint is dynamically modulated by a programmable micro-electromechanical (MEMS) mirror, resulting in a natively high-angular resolution wide-FOV camera capable of densely and simultaneously imaging multiple regions of interest in a scene. We present calibrations, novel MEMS control algorithms, a real-time prototype, and comparisons in remote eye-tracking performance against a traditional smartphone, where high-angular resolution and wide-FOV are necessary, but traditionally unavailable.
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