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Express"],"published-print":{"date-parts":[[2025,12,15]]},"abstract":"<jats:p>In recent years, we have developed a method to measure the 3D shape of transparent, glossy, or black objects without any surface preparation. For this purpose, we optically generate structured heat patterns on the surface and use a stereo mid-wave infrared camera setup to record re-emitted thermal patterns. We have demonstrated measurements in the second range, which is still too long for many applications, e.g., 100\u2009% quality assurance or measurements in production lines. In this contribution, we present our high-speed thermal 3D sensor, enabling the reduction of the measurement time by one order of magnitude to the range of 0.1\u2009s. 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