2018
DOI: 10.1520/jte20170350
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Improved Threat Identification Using Tonemapping of High-Dynamic-Range X-ray Images

Abstract: Transmission X-ray systems are used to image the contents of suspicious packages, luggage, and cargo. The images can have a dynamic range of 1,000:1 or greater, but are typically displayed on consumer-grade displays with a low-dynamic range of less than 255:1. We show that modern tonemapping algorithms can greatly improve the process of displaying X-ray images on low-dynamic-range displays and compare the performance of some popular algorithms for this purpose.

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Cited by 4 publications
(6 citation statements)
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“…1 illustrates the detail loss problem of the TIP technique. 1 As depicted in Fig. 1(b), the detail layer lacks sufficient details where the two objects overlapped.…”
Section: X-ray Image Synthesismentioning
confidence: 99%
See 3 more Smart Citations
“…1 illustrates the detail loss problem of the TIP technique. 1 As depicted in Fig. 1(b), the detail layer lacks sufficient details where the two objects overlapped.…”
Section: X-ray Image Synthesismentioning
confidence: 99%
“…The relative thickness loss is thus presented to maintain the sign of the image gradients before and after TM operation. This loss plays an important role in avoiding over-enhancement, which is a crucial factor for the inspector to estimate the relative thickness of the objects [1]. L rt is defined as follows:…”
Section: ) Relative Thickness Lossmentioning
confidence: 99%
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“…B AGGAGE inspection based on X-ray screening is an essential task for reducing the risk of crime and terrorist attacks and preventing the propagation of pests and diseases [1]. In general, the X-ray images are visually inspected by trained human inspectors to detect dangerous objects.…”
Section: Introductionmentioning
confidence: 99%