Invention Grant
US08111895B2 Locally adaptive image enhancement for digital subtraction X-ray imaging
有权
用于数字减影X射线成像的局部自适应图像增强
- Patent Title: Locally adaptive image enhancement for digital subtraction X-ray imaging
- Patent Title (中): 用于数字减影X射线成像的局部自适应图像增强
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Application No.: US11684767Application Date: 2007-03-12
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Publication No.: US08111895B2Publication Date: 2012-02-07
- Inventor: Martin Spahn
- Applicant: Martin Spahn
- Applicant Address: US PA Malvern
- Assignee: Siemens Medical Solutions USA, Inc.
- Current Assignee: Siemens Medical Solutions USA, Inc.
- Current Assignee Address: US PA Malvern
- Agent Alexander J Burke
- Main IPC: G06K9/46
- IPC: G06K9/46 ; G06K9/36

Abstract:
A system and method provide local image enhancement. Internal native images of a patient may be acquired during an interventional procedure. A portion of the native images may show an interventional device or material. Subtracted images may be created by subtracting mask images from the native images, such as via either digital subtraction angiography to display vessel structures, or “roadmapping” during interventional procedures to deploy various medical devices and materials. The local level of absorption associated with the portion of the images showing a vessel structure or in which the interventional object resides may be determined from either the native images or the mask images. Subsequently, the subtracted images may be locally altered to compensate for the local level of absorption such that the visibility of a vessel structure or interventional object is enhanced. The subtracted images may be enhanced by altering the local contrast, brightness, or sharpness, or noise.
Public/Granted literature
- US20080137935A1 Locally Adaptive Image Enhancement For Digital Subtraction X-Ray Imaging Public/Granted day:2008-06-12
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