Varex Imaging has been granted a patent for a radiographic inspection system that includes a drive mechanism, detector, and radiation source. The system is capable of generating side wall and bottom wall loss information based on acquired images of structures. GlobalData’s report on Varex Imaging gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Varex Imaging, Image segmentation techniques was a key innovation area identified from patents. Varex Imaging's grant share as of January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.

Radiographic inspection system for structure imaging

Source: United States Patent and Trademark Office (USPTO). Credit: Varex Imaging Corp

A recently granted patent (Publication Number: US11821850B2) outlines a method and system for analyzing structures using image processing techniques. The method involves acquiring an image of a structure, filtering it to generate a filtered image, normalizing the image based on the filtered image, and scaling it using a transfer function associated with the structure. The transfer function can be generated based on attributes of the structure, including known defects with different attributes. The system includes a radiation source, a detector, and control logic to perform the image processing steps.

The method and system described in the patent allow for the accurate analysis of structures by generating material loss estimate images indicating wall loss greater than a predetermined threshold. By applying non-linear digital filters, selecting kernel sizes based on the structure or expected defects, and normalizing images effectively, the system can provide valuable insights into the condition of the structure being analyzed. The use of transfer functions tailored to specific attributes of the structure enhances the precision of the scaling process, ensuring reliable results. Overall, this patented technology offers a comprehensive approach to structural analysis through advanced image processing techniques and transfer function customization.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.