Abstract:
Disclosed is an image acquisition workstation including a multiple examination mode. In the multiple examination mode, a user selects an anatomical view or procedure prior to acquiring data. When the image data is acquired, the acquired data is stored in a data structure related to the selected procedure or anatomical view. As the user selects a procedure or anatomical view prior to each data acquisition, the image acquisitions can be acquired in any order.
Abstract:
A mobile dual-energy X-ray imaging system is presented. The mobile dual-energy X-ray imaging system is a digital X-ray system that is designed both to acquire original image data and to process the image data to produce an image for viewing. The system has an X-ray source and a portable flat-panel digital X-ray detector. The system is operable to produce a high energy image and low energy image, which may be decomposed to produce a soft tissue image and a bone image for further analysis of the desired anatomy. The system is disposed on a carrier to facilitate transport. The imaging system has an alignment system for facilitating alignment of the flat-panel digital detector with the X-ray source. The imaging system also comprises an anti-scatter grid and an anti-scatter grid registration system for removing artifacts of the anti-scatter grid from images.
Abstract:
A system and method of determining the exposed field of view of a radiography image based on various parameters such as image content data, positioner feedback data, or any combination thereof, with no need for user intervention.
Abstract:
The presently described technology provides a tomosynthesis imaging system that comprises an x-ray tube and an anti-scatter grid. The x-ray tube is configured to emit x-rays from a plurality of positions during movement of the x-ray tube along a long axis of a mobile patient surface. The anti-scatter grid is configured to filter out scattered x-rays and includes a grid line parallel to the long axis of the mobile patient surface. The x-rays emitted from the plurality of positions are reconstructed into at least one image of at least one plane of a patient anatomy. The described technology is useful in emergency or trauma applications where a patient may be quickly and easily moved on a mobile patient surface to a position near an x-ray detector used in combination with the x-ray tube and anti-scatter grid.
Abstract:
A method includes obtaining a first image of a subject at a first position, changing a position between the detector and the subject, obtaining a second image, and pasting the first and images to obtain a composite image. The first image and the second image may have an amount of overlap equal to no more than about 30 percent of a field of view of the detector in a direction of movement between the first image and the second image, and, according to some embodiments, may have an overlap of about 4 percent to about 16 percent. This may, in some embodiments, amount to an amount of overlap of about 1.5 cm to about 6.5 or 12 cm. In some embodiments, the span of overlap of the images is at least about 30 cm. The geometry of the images may be used to help paste the images together appropriately.
Abstract:
A system and method for an improved digital X-ray radiographic tomosynthesis user interface and workflow. The system comprising a user interface providing a tomosynthesis reconstruction preference edit tool; a dose preference edit tool; a scout acquisition edit tool; a tomosynthesis acquisition edit tool; a retrospective reconstruction image processing edit tool; a slice image change auto forward edit tool; and an image annotation propogation edit tool.
Abstract:
The present invention provides a method and associated system for processing a digital medical image. The method includes defining a plurality regions of an initial digital medical image, wherein the initial digital medical image is a combined initial digital medical image formed from the digital pasting of a plurality of individual initial digital medical images, and wherein the initial digital medical image is an exposure-normalized initial digital medical image; measuring an intensity for each of the plurality of regions of the initial digital medical image; deriving an intensity weighting function using the intensity measured for each of the plurality of regions of the initial digital medical image; and applying the intensity weighting function to the initial digital medical image to form a final digital medical image.
Abstract:
Systems, methods and apparatus are provided through which a specialized back-projection process reconstructs a finely detailed and crisp three-dimensional image (3-D ) from a series of two-dimensional (2-D) images by pre-filtering the 2-D images with a first group of settings before back-projecting the 2-D images into a 3-D image, and then post-filtering the 3-D image with another group of settings. In some embodiments, the first group of settings and the second group of settings are synergistically optimized in relation to each other to provide emphasis on a structure of interest in the object.
Abstract:
A device for use in image pasting is described. The device includes a digital x-ray detector capable of automatic digital imaging without the use of an image intensifier; the detector preferably being a flat-panel detector. Additionally, an image pasting system using a solid-state detector is described. The system can connect the detected images to a display via a network (such as a WAN, a LAN, or the internet). Further, an image geometry measurement device for use in pasting x-ray images is disclosed. The geometry measurement device helps determine the relative position of two images to be used in image pasting. This information can be used alone, or in connection with an image pasting algorithm. Still further, methods of forming composite images are disclosed using a flat-panel detector and using the geometry of the images. The disclosed devices and systems can be integrated with other digital image pasting technology.
Abstract:
A digital radiographic imaging system includes an offset table for determining mechanical and structural offsets which would, if not corrected, misalign the source and detector during use. The method can correct for inaccuracies in mechanical linkages, examination rooms and other mounting structures, and “drift” induced during use of the system.