OPTIMAL, USER-FRIENDLY, OBJECT BACKGROUND SEPARATION
First Claim
1. A method of identifying an object of interest in digital images, the method comprising:
- a. obtaining first samples of an intensity distribution of one or more objects of interest in one or more of the digital images based upon one or more wavelength bands;
b. obtaining second samples of an intensity distribution of confounder objects in one or more of the digital images, at a predetermined frequency;
c. transforming the first and second samples into an appropriate first space;
d. performing dimension reduction on the transformed first and second samples, whereby the dimension reduction of the transformed first and second samples generates an object detector;
e. transforming one or more of the digital images into the first space;
f. performing dimension reduction on the transformed digital images, whereby the dimension reduction of the transformed digital images generates one or more reduced images;
g. classifying one or more pixels of the one or more reduced images based on a comparison with the object detector; and
h. identifying one or more objects of interest in the reduced digital images from the classified pixels.
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Abstract
A method of identifying an object of interest can comprise obtaining first samples of an intensity distribution of one or more object of interest, obtaining second samples of an intensity distribution of confounder objects, transforming the first and second samples into an appropriate first space, performing dimension reduction on the transformed first and second samples, whereby the dimension reduction of the transformed first and second samples generates an object detector, transforming one or more of the digital images into the first space, performing dimension reduction on the transformed digital images, whereby the dimension reduction of the transformed digital images generates one or more reduced images, classifying one or more pixels of the one or more reduced images based on a comparison with the object detector, and identifying one ore more objects of interest from the classified pixels.
21 Citations
29 Claims
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1. A method of identifying an object of interest in digital images, the method comprising:
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a. obtaining first samples of an intensity distribution of one or more objects of interest in one or more of the digital images based upon one or more wavelength bands; b. obtaining second samples of an intensity distribution of confounder objects in one or more of the digital images, at a predetermined frequency; c. transforming the first and second samples into an appropriate first space; d. performing dimension reduction on the transformed first and second samples, whereby the dimension reduction of the transformed first and second samples generates an object detector; e. transforming one or more of the digital images into the first space; f. performing dimension reduction on the transformed digital images, whereby the dimension reduction of the transformed digital images generates one or more reduced images; g. classifying one or more pixels of the one or more reduced images based on a comparison with the object detector; and h. identifying one or more objects of interest in the reduced digital images from the classified pixels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of identifying an object of interest in a plurality of digital images configured as an image group, where each of the digital images comprises a plurality of wavelength bands, the method comprising:
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a) obtaining first samples of an intensity distribution of one or more objects of interest in the image group based upon one or more wavelength bands; b) obtaining second samples of the intensity distribution of confounder objects in the image group, at a frequency high enough to affect a pre-defined performance metric; c) transforming the first and second samples into an appropriate first space; d) performing dimension reduction on the transformed first and second samples, whereby the dimension reduction of the transformed first and second samples generates an object detector; e) transforming the image group into the first space; f) projecting the transformed image group into the reduced dimension space obtained in step d) to generate a reduced image group; g) classifying each pixel in the reduced image group with an appropriate neighborhood based on a comparison with the object detector; and h) automatically identifying one or more objects of interest in the reduced image group from abnormal pixels based upon the comparison with the object detector.
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29. A system comprising:
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a memory for storing digital images; and a processor in communication with the memory, the processor configured to; a) obtain first samples of an intensity distribution of one or more objects of interest in one or more of the digital images based upon one or more wavelength bands; b) obtain second samples of an intensity distribution of confounder objects in one or more of the digital images, at a predetermined frequency; c) transform the first and second samples into an appropriate first space; d) perform dimension reduction on the transformed first and second samples, whereby the dimension reduction of the transformed first and second samples generates an object detector; e) transform one or more of the digital images into the first space; f) perform dimension reduction on the transformed digital images, whereby the dimension reduction of the transformed digital images generates one or more reduced images; g) classify one or more pixels of the one or more reduced images based on a comparison with the object detector; and h) identify one or more objects of interest in the reduced digital images from the classified pixels.
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Specification