Method and device for detecting violations
US-2024386719-A1 · Nov 21, 2024 · US
Method for processing radiographic images of rapidly moving objects such as shaped charge jet particles
US9105102B1 · US · B1
| Field | Value |
|---|---|
| Publication number | US-9105102-B1 |
| Application number | US-201314043078-A |
| Country | US |
| Kind code | B1 |
| Filing date | Oct 1, 2013 |
| Priority date | Oct 1, 2013 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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According to exemplary inventive practice, a region containing an object of interest, such as a jet particle of a shaped charge, is extracted from a raw radiographic image. This regional image is filtered, and its pixel intensity range is rescaled to increase contrast. The filtered, re-contrasted image is converted to a binary image by setting a threshold pixel intensity, and assigning a binary pixel intensity of either 1 or 0 to each pixel, depending on its scaled pixel intensity versus the threshold pixel intensity. The binary image is inverted and filtered. Contiguities of binary-one pixels to binary-zero pixels in the inverted, filtered binary image provide the basis for delineating the outline of the object. The object's outline is superimposed on the object's portrayal in the original regional image, to assess the degree of match. Various threshold pixel intensities can be applied in plural iterations until a sufficient match is obtained.
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What is claimed is: 1. A computer-implemented method for processing a photographic image, the method comprising: defining a first photographic image, said first photographic image characterized by multiple pixels and including depiction of an object, said defining of said first photographic image including formulating a first pixel matrix, said first pixel matrix representing pixels having pixel intensities in a spectrum between black pixels and white pixels; defining a second p…
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- What does patent US9105102B1 cover?
- According to exemplary inventive practice, a region containing an object of interest, such as a jet particle of a shaped charge, is extracted from a raw radiographic image. This regional image is filtered, and its pixel intensity range is rescaled to increase contrast. The filtered, re-contrasted image is converted to a binary image by setting a threshold pixel intensity, and assigning a binary…
- Who is the assignee on this patent?
- Walther Joseph R, Painter James E, Us Navy
- What technology area does this patent fall under?
- Primary CPC classification G06T7/11. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).