通过融合偏振和偏折测量信息实现复杂镜面表面的3D成像
3D Imaging of Complex Specular Surfaces by Fusing Polarimetric and Deflectometric Information
AI总结：
提出融合SfP偏振线索与PMD几何信息的新测量原理，消除正交成像假设，实现复杂镜面表面高精度3D成像，表面法线误差低于0.6度。
摘要：
对镜面表面进行准确且快速的3D成像对最先进的光学测量原理仍构成重大挑战。常用的方法，如相位测量偏折术（PMD）或由偏振恢复形状（SfP），依赖于对被测物体的强假设，限制了它们在医学成像、工业检测、虚拟现实或文化遗产分析等更广泛应用领域的通用性。本文引入一种测量原理，利用一种新技术来有效编码和解码包含在从镜面表面反射的光场中的信息。我们将SfP的偏振线索与从PMD获得的几何信息相结合，以解决3D测量中出现的所有歧义。此外，我们的方法消除了SfP不切实际的正交成像假设，显著改善了相应结果。我们通过在复杂形状的镜面表面上展示单次拍摄和多次拍摄测量来验证新技术，结果显示表面法线的评估精度低于$0.6^\circ$。
英文摘要：
Accurate and fast 3D imaging of specular surfaces still poses major challenges for state-of-the-art optical measurement principles. Frequently used methods, such as phase-measuring deflectometry (PMD) or shape-from-polarization (SfP), rely on strong assumptions about the measured objects, limiting their generalizability in broader application areas like medical imaging, industrial inspection, virtual reality, or cultural heritage analysis. In this paper, we introduce a measurement principle that utilizes a novel technique to effectively encode and decode the information contained in a light field reflected off a specular surface. We combine polarization cues from SfP with geometric information obtained from PMD to resolve all arising ambiguities in the 3D measurement. Moreover, our approach removes the unrealistic orthographic imaging assumption for SfP, which significantly improves the respective results. We showcase our new technique by demonstrating single-shot and multi-shot measurements on complex-shaped specular surfaces, displaying an evaluated accuracy of surface normals below $0.6^\circ$.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
