Time-Resolved Far Infrared Light Transport Decomposition for Thermal Photometric Stereo

Time-Resolved Far Infrared Light Transport Decomposition for Thermal Photometric Stereo
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热光度立体的时间分辨远红外光传输分解

DOI:
10.1109/tpami.2019.2959304
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发表时间:
2021
影响因子:
23.6
通讯作者:
Mukaigawa, Yasuhiro
Mukaigawa, Yasuhiro
中科院分区:
计算机科学1区
文献类型:
--
作者:
Tanaka, Kenichiro;Ikeya, Nobuhiro;Takatani, Tsuyoshi;Kubo, Hiroyuki;Funatomi, Takuya;Ravi, Vijay;Kadambi, Achuta;Mukaigawa, Yasuhiro

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我们提出了一种利用热成像的新型时间分辨光传输分解方法。由于热传播的速度比光传播的速度慢得多,因此可以以视频帧速率观察远红外光的瞬态传输。一个关键的观察结果是,在适当控制的环境中,热图像看起来与可见光图像相似。这意味着传统的计算机视觉技术可以直接应用于热图像。我们证明热图像中的漫射分量可以分离,因此可以通过朗伯光度立体来估计物体的表面法线。我们的方法的有效性通过进行现实世界的实验来评估,并显示了它对黑体、透明和半透明物体的适用性。
We present a novel time-resolved light transport decomposition method using thermal imaging. Because the speed of heat propagation is much slower than the speed of light propagation, the transient transport of far infrared light can be observed at a video frame rate. A key observation is that the thermal image looks similar to the visible light image in an appropriately controlled environment. This implies that conventional computer vision techniques can be straightforwardly applied to the thermal image. We show that the diffuse component in the thermal image can be separated, and therefore, the surface normals of objects can be estimated by the Lambertian photometric stereo. The effectiveness of our method is evaluated by conducting real-world experiments, and its applicability to black body, transparent, and translucent objects is shown.
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发表时间: 2017-07
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影响因子: --
作者:
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