基于增益标定的ToF相机运动模糊矫正方法

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中图分类号：TP391.4；TP273. + 4 文献标识码：A 文章编号：2096-4706（2025）07-0024-05

Abstract： This paper aims to reduce the motion blur generated by Time of Flight （ToF）cameras in dynamic scenes，so as toimprove theimagequalityandtheaccuracyofdepthinformation.Acorrection methodbasedongaincalibrationis proposed. Through gaincalibration，thegaincoeficientofeachpixelisaccuratelydetermined，andthe four-bitphaseshift method inthe depthcalculationprincipleisintroducedtooptimizetheexposure time，thusachievingtheefectofimproving theimagequality andtheacuracyof depth measurement.Aseriesof testsontheimprovement effectarecariedoutonthe motionblur test platform.Theresultsshowthatthismethodcansignificantlyimprovethedepth imagequalityoftheToFcamerasindynamic scenes. When the rotation speed of the test device is within the range of 100 to 2 0 0 r / m i n ， the percentage reduction in the number of erroneous pixels caused by motion blur can reach more than 3 5 % ， and can be up to 4 1 . 4 6 % at most. Through experimental verification，the motion blur correction methodforToFcameras basedon gain calibration can efectively improve the image quality and accuracyof depth information，demonstrating itsbroadapplication potential indynamic environments.

Keywords：ToF;motion blur; gain calibration; four-bit phase shift method

0 引言

随着计算机视觉和图像处理技术的快速发展，ToF相机因其高精度的深度信息获取能力，在工业检测[1]、无人机定位[2-3]、机器人导航[4领域得到了广泛应用。（剩余6997字）