US5321764A
Expired / Lapsed
US
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Identification of wheat cultivars by visual imaging
Assignee: Kansas State University
•
Filing: 1992-01-10
•
Granted: 1994-06-14
•
Expires: 2012-01-10
Abstract
Abstract A method for identifying wheat cultivars is provided which employs an imaging device such as a video camera and a computer to acquire and process images of grain samples and to identify the particular type or cultivar of the wheat by the images obtained thereby. The method involves the steps of acquiring the image of the kernel and germ for each grain, processing the image into digital format, storing data in the computer corresponding to the edge of the kernel and germ, determining the image characteristics of the kernel and germ, and comparing the image characteristics for the sample to a known standard. By accumulating data for a number of grains, calculating statistical information for the sample, and comparing to a known standard, the particular cultivar of the sample may be identified.
Inventors
- 👤 Andra J. Cullen
- 👤 Russell C. Hoseney
- 👤 Jon M. Faubion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:31
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/10; G01N15/14; G01N15/1468; G06; G06T; G06T7/00; G06T7/40; G06T7/41; G06T7/44; G01N15/1429; G01N15/1433; G05; G05B; G05B2219/00; G05B2219/30; G05B2219/37; G05B2219/37555; G05B2219/45; G05B2219/45063; G06T2207/00; G06T2207/10; G06T2207/10016; G06T2207/30; G06T2207/30181; G06T2207/30188; Y; Y10; Y10S; Y10S209/00; Y10S209/939
Claims Analysis
Total Claims: 77
Claim 1
Independent Claim
203 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and processing said kernel edge data to interpolate hypothetical edge data representative of an undamaged edge of said kernel when said kernel edge data includes edge data corresponding to inclusions in said kernel.
Claim 2
Independent Claim
203 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and processing said kernel edge data to interpolate hypothetical edge data representative of an undamaged edge of said kernel when said kernel edge data includes edge data corresponding to inclusions in said kernel.
Claim 3
Dependent Claim
37 words
A method of identifying the cultivar of a grain sample according to claim 1 including the step of processing said kernel edge data to provide cartesian coordinate data representative of and derived from said kernel edge data.
Claim 4
Dependent Claim
37 words
A method of identifying the cultivar of a grain sample according to claim 1 including the step of processing said germ edge data to provide cartesian coordinate data representative of and derived from said germ edge data.
Claim 5
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 1 including the step of determining the area of the kernel.
Claim 6
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 4 including the step of determining the perimeter of the kernel.
Claim 7
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 4 including the step of determining the centroid of the kernel.
Claim 8
Dependent Claim
25 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the principal axes of the kernel.
Claim 9
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the area of the germ.
Claim 10
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 8 including the step of determining the perimeter of the germ.
Claim 11
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the centroid of the germ.
Claim 12
Dependent Claim
25 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the principal axes of the germ.
Claim 13
Dependent Claim
33 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the ratio between the area of the kernel and the perimeter of the kernel.
Claim 14
Dependent Claim
50 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the length of the kernel and the breadth of the kernel, and including the step of determining the ratio between the length of the kernel and the breadth of the kernel.
Claim 15
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the formfactor of the kernel.
Claim 16
Dependent Claim
42 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the length of the kernel and the breadth of the kernel, and including the step of determining the rectangularity factor of the kernel.
Claim 17
Dependent Claim
33 words
A method of identifying the cultivar of a grain sample according to claim 9, including the step of determining the ratio between the area of the germ and the perimeter of the germ.
Claim 18
Dependent Claim
50 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the length of the germ and the breadth of the germ, and including the step of determining the ratio between the length of the germ and the breadth of the germ.
Claim 19
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 5 including the step of determining the formfactor of the germ.
Claim 20
Dependent Claim
42 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the length of the germ and the breadth of the germ, and including the step of determining the rectangularity factor of the germ.
Claim 21
Dependent Claim
29 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the ratio of the kernel area to the germ area.
Claim 22
Dependent Claim
29 words
A method of identifying the cultivar of a grain sample according to claim 9 including the step of determining the ratio of the kernel perimeter to the germ perimeter.
Claim 23
Dependent Claim
41 words
A method of identifying the cultivar of a grain sample according to claim 9, including the step of determining the kernel breadth and the germ breadth and the step of determining the ratio between the kernel breadth and the germ breadth.
Claim 24
Dependent Claim
41 words
A method of identifying the cultivar of a grain sample according to claim 9, including the step of determining the kernel length and the germ length and the step of determining the ratio between the kernel length and the germ length.
Claim 25
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the perimeter of a kernel of said known cultivar of grain.
Claim 26
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the area of a kernel of said known cultivar of grain.
Claim 27
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the length of a kernel of said known cultivar of grain.
Claim 28
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the breadth of a kernel of said known cultivar of grain.
Claim 29
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the perimeter of a germ of said known cultivar of grain.
Claim 30
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the area of a germ of said known cultivar of grain.
Claim 31
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the length of a germ of said known cultivar of grain.
Claim 32
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes the breadth of a germ of said known standard of grain.
Claim 33
Dependent Claim
30 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes data representative of a plurality of known cultivars of grain.
Claim 34
Dependent Claim
46 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said standard edge data includes a range of data corresponding to a predetermined number of standard deviations from a statistical norm for edge data representative of a known cultivar of grain.
Claim 35
Dependent Claim
58 words
A method of identifying the cultivar of a grain sample according to claim 1 wherein said grain sample includes a plurality of kernels of grain, each kernel including a germ therein, and including the step of determining a statistical norm and distribution therefrom of the kernel edge data and the germ edge data in said data processing device.
Claim 36
Dependent Claim
41 words
A method of identifying the cultivar of a grain sample according to claim 34, wherein said identifying step comprises matching the statistical norm and distribution of the grain sample against the statistical norm and distribution of said known cultivar of grain.
Claim 37
Dependent Claim
69 words
A method of identifying the cultivar of a grain sample according to claim 1, wherein said grain sample includes a plurality of cultivars of grain, and including the step of identifying the grain sample as a mixed sample if the kernel and germ edge data of said sample is representative of more than one known cultivar of grain when matched against standard edge data according to predetermined correlation criteria.
Claim 38
Dependent Claim
28 words
A method of identifying the cultivar of a grain sample according to claim 36, including the step of identifying the known cultivars comprising the mixed cultivar grain sample.
Claim 39
Dependent Claim
73 words
A method of identifying the cultivar of a grain sample according to claim 1, wherein said grain sample includes a plurality of cultivars of grain, and including the step of identifying the grain sample as a mixed sample if the kernel and germ edge data of said sample is representative of one known cultivar of grain and one unknown cultivar of grain when match against standard edge data according to predetermined correlation criteria.
Claim 40
Dependent Claim
71 words
A method of identifying the cultivar of a grain sample according to claim 1, wherein said kernel and germ edge data comprise a plurality of discriminators and said standard edge data comprises at least some of discriminators, said predetermined correlation criteria comprising a predetermined number of matches between said kernel and germ edge data discriminators and said standard edge data discriminator necessary to identify said grain sample as a known cultivar.
Claim 41
Dependent Claim
50 words
A method of identifying the cultivar of a grain sample according to claim 39, wherein said correlation criteria further comprises a range for each standard edge data discriminator representative of a predetermined number of standard deviations from a norm corresponding to said known cultivar for said standard edge data discriminator.
Claim 42
Dependent Claim
45 words
A method of identifying the cultivar of a grain sample according to claim 39 wherein said kernel and germ edge data includes discriminators selected from the group including kernel area, germ area, kernel perimeter, germ perimeter, kernel length, germ length, kernel breadth and germ breadth.
Claim 43
Independent Claim
203 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and processing said germ edge data to interpolate hypothetical edge data representative of an undamaged edge of said germ when said germ edge data includes edge data corresponding to inclusions in said germ.
Claim 44
Independent Claim
203 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and processing said germ edge data to interpolate hypothetical edge data representative of an undamaged edge of said germ when said germ edge data includes edge data corresponding to inclusions in said germ.
Claim 45
Independent Claim
201 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said germ edge data includes edge data corresponding to germ edge discontinuities; and processing said germ edge data to extrapolate hypothetical edge data representative of a projected edge of said germ when said germ edge data includes edge data corresponding to germ edge discontinuities.
Claim 46
Independent Claim
201 words
A method of identifying the cultivar of a grain sample having a kernel of grain with the kernel including a germ therein, said method comprising the steps of: receiving sample image data representative of an image of a kernel of grain into a data processing device; determining kernel edge data representative of the peripheral edge of the grain kernel by processing said sample image data in said data processing device; determining germ edge data representative of the peripheral edge of the germ of the grain kernel by processing said sample image data in said data processing device; comparing said kernel and germ edge data to standard edge data received from a memory storage medium associated with said data processing device and representative of at least one known cultivar of grain; identifying said grain sample as said known cultivar if said kernel and germ edge data matches said standard edge data according to predetermined correlation criteria; determining if said germ edge data includes edge data corresponding to germ edge discontinuities; and processing said germ edge data to extrapolate hypothetical edge data representative of a projected edge of said germ when said germ edge data includes edge data corresponding to germ edge discontinuities.
Claim 47
Dependent Claim
159 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and means for interpolating hypothetical edge data representative of an undamaged edge of said kernel when said kernel edge data includes edge data corresponding to inclusions in said kernel.
Claim 48
Dependent Claim
159 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and means for interpolating hypothetical edge data representative of an undamaged edge of said kernel when said kernel edge data includes edge data corresponding to inclusions in said kernel.
Claim 49
Dependent Claim
159 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and means for interpolating hypothetical edge data representative of an undamaged edge of said germ when said image data includes germ edge data corresponding to inclusions in said germ.
Claim 50
Dependent Claim
159 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said kernel edge data includes edge data corresponding to inclusions in said kernel; and means for interpolating hypothetical edge data representative of an undamaged edge of said germ when said image data includes germ edge data corresponding to inclusions in said germ.
Claim 51
Dependent Claim
156 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said image data includes germ data corresponding to germ edge discontinuities; and means for extrapolating hypothetical edge data representative of a projected edge of said germ when said image data includes germ edge data corresponding to germ edge discontinuities.
Claim 52
Dependent Claim
156 words
Apparatus for identifying a grain sample having a grain with the kernel including a germ therein comprising: means for acquiring an image of a grain sample including the images of the kernel and germ thereof; means operatively connected to said image acquisition means for converting the acquired germ and kernel images to image data in digital format; data processing means operatively connected to said conversion means for processing said image data to identify edge data representative of the edge of the kernel image and the edge of the germ image, for storing standard edge data representative of a known cultivar of grain, and for comparing said edge data to said standard edge data; means for determining if said image data includes germ data corresponding to germ edge discontinuities; and means for extrapolating hypothetical edge data representative of a projected edge of said germ when said image data includes germ edge data corresponding to germ edge discontinuities.
Claim 53
Dependent Claim
22 words
A method of identifying the cultivar of a grain sample according to claim 1, wherein said grain sample is a wheat sample.
Claim 54
Dependent Claim
24 words
A method of identifying the cultivar of a grain sample according to claim 1, wherein said sample image data is received in digital format.
Claim 55
Dependent Claim
32 words
A method of identifying the cultivar of a grain sample according to claim 48, wherein said sample image data is converted into digital format by processing in an analog to digital converter.
Claim 56
Dependent Claim
31 words
A method of identifying the cultivar of a grain sample according to claim 1 including the step of acquiring an image of the kernel of grain by an image acquisition device.
Claim 57
Dependent Claim
27 words
A method of identifying the cultivar of a grain sample according to claim 50 including the step of backlighting the grain sample prior to acquiring the image.
Claim 58
Dependent Claim
27 words
A method of identifying the cultivar of a grain sample according to claim 50 including the step of toplighting the grain sample prior to acquiring the image.
Claim 59
Dependent Claim
47 words
A method of identifying the cultivar of a grain sample according to claim 50 wherein said image acquisition device comprises a videocamera and including the step of resolving an image of said kernel of grain received by said videocamera into said sample image data in pixel format.
Claim 60
Dependent Claim
45 words
A method of identifying the cultivar of a grain sample according to claim 53, wherein said kernel edge determining step includes processing said sample image data into a binary value matrix corresponding to said sample image data and representative of the image of said kernel.
Claim 61
Dependent Claim
86 words
A method of identifying the cultivar of a grain sample according to claim 54, wherein said kernel edge determining step includes further processing of said sample image data to change the value of said sample image data representative of the interior of the kernel to a value in said binary value matrix equal to the value of the image data representative of the area surrounding the edge of the kernel and different from the value of the image data representative of the edge of the kernel.
Claim 62
Dependent Claim
58 words
A method of identifying the cultivar of a grain sample according to claim 55, wherein said kernel edge determining step includes the step of establishing a brightness level threshold for said sample image data for differentiating between sample image data corresponding to said kernel and sample image data corresponding to the area of the image surrounding said kernel.
Claim 63
Dependent Claim
45 words
A method of identifying the cultivar of a grain sample according to claim 54, wherein said germ edge determining step includes processing said sample image data into a binary value matrix corresponding to said sample image data and representative of the image of said kernel.
Claim 64
Dependent Claim
86 words
A method of identifying the cultivar of a grain sample according to claim 57, wherein said germ edge determining step includes further processing of said sample image data to change the value of said sample image data representative of the interior of the germ to a value in said binary value matrix equal to the value of the image data representative of the area surrounding the edge of the germ and different from the value of the image data representative of the edge of the germ.
Claim 65
Dependent Claim
58 words
A method of identifying the cultivar of a grain sample according to claim 57, wherein said germ edge determining step includes the step of establishing a brightness level threshold for said sample image data for differentiating between sample image data corresponding to said germ and sample image data corresponding to the area of the image surrounding said germ.
Claim 66
Dependent Claim
35 words
Apparatus for identifying a grain sample as set forth in claim 44, including an output device for generating signals to report the results of said comparison between said edge data and said standard edge data.
Claim 67
Dependent Claim
20 words
Apparatus for identifying a grain sample as set forth in claim 60 wherein said output device includes a video monitor.
Claim 68
Dependent Claim
21 words
Apparatus for identifying a grain sample as set forth in claim 44 wherein said image acquiring means includes a video camera.
Claim 69
Dependent Claim
20 words
Apparatus for identifying a grain sample as set forth in claim 62 wherein said image acquiring means includes a microscope.
Claim 70
Dependent Claim
19 words
Apparatus for identifying a grain sample as set forth in claim 44 including means for illuminating said grain sample.
Claim 71
Dependent Claim
28 words
Apparatus for identifying a grain sample as set forth in claim 44 wherein said data processing means includes means for storing said edge data in a retrievable matrix.
Claim 72
Dependent Claim
41 words
Apparatus for identifying a grain sample as set forth in claim 44 wherein said data processing means includes means for processing said image data into a binary matrix representative of the image of the kernel or germ of said grain sample.
Claim 73
Dependent Claim
43 words
Apparatus for identifying a grain sample as set forth in claim 44, said grain sample comprising a plurality of kernels, said data processing means including means for developing a statistical distribution of said edge data representative of grain identification discriminators for grain sample.
Claim 74
Dependent Claim
37 words
Apparatus for identifying a grain sample as set forth in claim 44, wherein said image processing means includes means for establishing a brightness threshold to identify the image data representative of the kernel of said grain sample.
Claim 75
Dependent Claim
36 words
Apparatus for identifying a grain sample as set forth in claim 68, wherein said grain sample comprises a plurality of kernels, said brightness threshold establishing means functioning to independently establish a brightness threshold for each kernel.
Claim 76
Dependent Claim
37 words
Apparatus for identifying a grain sample as set forth in claim 44, wherein said image processing means includes means for establishing a brightness threshold to identify the image data representative of the germ of said grain sample.
Claim 77
Dependent Claim
36 words
Apparatus for identifying a grain sample as set forth in claim 70, wherein said grain sample comprises a plurality of kernels, said brightness threshold establishing means functioning to independently establish a brightness threshold for each germ.
References Cited (Backward Citations)
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