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Robust autonomous detection of the defective pixels in detectors using a probabilistic technique

机译:使用概率技术对检测器中的缺陷像素进行鲁棒的自主检测

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摘要

Detection of defective pixels in solid-state detectors/sensor arrays has received limited research attention. Few approaches currently exist for detecting the defective pixels using real images captured with cameras equipped with such detectors, and they are ad hoc and limited in their applicability. In this paper, we present a probabilistic novel integrated technique for autonomously detecting the defective pixels in image sensor arrays. It can be applied to images containing rich scene information, captured with any digital camera equipped with a solid-state detector, to detect different kinds of defective pixels in the detector. We apply our technique to the detection of various defective pixels in an experimental camera equipped with a charge coupled device (CCD) array and two out of the four HgCdTe detectors of the UKIRT's wide field camera (WFCAM) used for infrared (IR) astronomy [Astron. Astrophys. 467, 777-784 (2007)].
机译:固态检测器/传感器阵列中缺陷像素的检测受到了有限的研究关注。当前很少有使用配备有这种检测器的照相机捕获的真实图像来检测缺陷像素的方法,并且它们是临时的并且其适用性受到限制。在本文中,我们提出了一种用于自主检测图像传感器阵列中缺陷像素的概率新型集成技术。可以将其应用于包含丰富场景信息的图像,并使用配备了固态检测器的任何数码相机捕获这些图像,以检测检测器中不同种类的缺陷像素。我们将我们的技术应用于配备了电荷耦合器件(CCD)阵列的实验相机的各种缺陷像素的检测,以及UKIRT用于红外(IR)天文学的宽视场相机(WFCAM)的四个HgCdTe检测器中的两个[阿斯特隆天体。 467,777-784(2007)]。

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