Medical imaging systems and methods for automatic brightness control based on region of interest
AssigneeBoston Scientific Scimed, Inc.
InventorKirsten Viering
Life of this patent
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Abstract
A method for performing automatic brightness control may include receiving an image of a target site from an imaging system of a medical device, and identifying a region of interest in the image. The region of interest may include a physical feature in the target site identified in the image. The method may further include determining a current image brightness value for the identified region of interest, and adjusting one or more operating parameters of the imaging system based on the current image brightness value and a target image brightness value.
Claims16
A method for performing automatic brightness control, the method comprising:
- receiving an image of a target site from an imaging system of a medical device, wherein the image is in a first color space;
- converting the image from the first color space to a second color space;
- generating a plurality of histograms for the image in the second color space;
- executing a color selection process, the color selection process including:
- identifying color shade differentiations in the image based on an analysis of one or more of the plurality of histograms;
- and
- determining a suspicious color area in the image based on a deviation of the identified color shade differentiations from a pattern of color shade differentiations for a type of anatomy at the target site;
- identifying a subset of pixels in the image comprising the suspicious color area as a region of interest in the image, the region of interest including a physical feature in the target site identified in the image;
- determining a current image brightness value for the identified region of interest;
- and
- adjusting one or more operating parameters of the imaging system based on the current image brightness value and a target image brightness value.
A computing system for performing automatic brightness control, the computing system comprising:
- at least one memory storing instructions;
- and
- at least one processor coupled to the at least one memory and configured to execute the instructions to perform operations, including:
- receiving, from a medical imaging system including an imaging device and a light source, an image of a target site captured by the imaging device as the light source is illuminating the target site, the image including a plurality of pixels;
- converting the image from a first color space to a second color space;
- generating a plurality of histograms for the image in the second color space;
- identifying color shade differentiations in the image based on an analysis of the one or more of the plurality of histograms;
- determining a suspicious color area in the image based on a deviation of the identified color shade differentiations from a pattern of color shade differentiations for a type of anatomy at the target site;
- identifying a subset of the plurality of pixels in the image comprising the suspicious color area as a region of interest in the image, the subset of the plurality of pixels including a physical feature in the target site detected in the image;
- determining a current image brightness value based on an average pixel intensity value for the subset of the plurality of pixels;
- and
- based on the current image brightness value, adjusting one or more operating parameters of one or more of the light source or the imaging device to achieve a target image brightness value for the subset of the plurality of pixels identified as the region of interest.
A medical imaging system comprising:
- a medical device including an imaging device configured to capture an image of a target site in a first color space and a light source configured to illuminate the target site as the image is captured;
- and
- a computing device communicatively coupled to the medical device, the computing device comprising:
- at least one memory storing instructions;
- and
- at least one processor coupled to the at least one memory and configured to execute the instructions to perform operations, including:
- receiving the image from the medical device;
- identifying a region of interest in the image including a physical feature in the target site detected in the image, the region of interest identified using color detection, the color detection including:
- converting the image from the first color space to a second color space;
- generating a plurality of histograms for the image in the second color space;
- identifying color shade differentiations in the image based on an analysis of the one or more of the plurality of histograms;
- and
- determining a suspicious color area in the image based on a deviation of the identified color shade differentiations from a pattern of color shade differentiations for a type of anatomy at the target site, wherein a subset of pixels in the image comprising the suspicious color area is identified as the region of interest;
- determining a current image brightness value for the identified region of interest;
- and
- adjusting one or more operating parameters of one or more of the light source or the imaging device based on the current image brightness value and a target brightness value for the identified region of interest to optimize a brightness of the region of interest in subsequent images of the target site captured by the imaging device.
Dependencies are inferred from the claim text.