Automatic ct detection and visualization of active bleeding and blood extravasation
AssigneeKoninklijke Philips N.V.
InventorRaz CARMI
Life of this patent
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Abstract
An image processing system (IPS) and related method. The system comprises an input interface (IN) for receiving an earlier input image (Va) and a later input image (Vb) acquired of an object (OB) whilst a fluid is present within the object (OB). A differentiator (Δ) is configured to form a difference image (Vd) from the at least two input images (Va,Vb). An image structure identifier (ID) is operable to identify one or more locations in the difference image. Based on a respective feature descriptor that describes a respective neighborhood around said one or more locations. An output interface (OUT) outputs a feature map (Vm) that includes the one or more locations.
Claims14
An image processing system, comprising:
- an input interface for receiving an earlier input image and a later input image acquired of an object whilst a fluid is present within the object, wherein said object is a human or animal anatomy and said liquid is blood, and wherein the earlier input image and the later input image have been acquired after injection of a contrast agent;
- a differentiator configured to form a difference image from the at least two input images;
- an image structure identifier operable to identify in the difference image one or more locations of internal bleedings, where blood escapes through a leakage point in a vessel, based on a respective feature descriptor that describes a respective neighborhood around said one or more locations, if a region, in the difference image with negative values is adjacent to a region, with positive values;
- and
- an output interface for outputting a feature map that includes the one or more locations.
(canceled)
A method of image processing, comprising the steps of:
- receiving an earlier input image and a later input image acquired of an object whilst a fluid is present within the object, wherein said object is a human or animal anatomy and said liquid is blood, and wherein the earlier input image and the later input image have been acquired after injection of a contrast agent;
- forming a difference image from the at least two input images;
- identifying in the difference image one or more locations of internal bleedings, where blood escapes through a leakage point in a vessel, based on a respective feature descriptor that describes a respective neighborhood around said one or more locations, if a region, IZ, in the difference image with negative values is adjacent to a region, AZ, with positive values;
- and
- outputting a feature map that includes the one or more locations.
A computer program element which, when being executed by a processing unit is adapted to perform the method of claim 13.
A computer readable medium having stored thereon the program element of claim 14.
Dependencies are inferred from the claim text.