IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0312863
(2007-11-08)
|
등록번호 |
US-8170369
(2012-05-01)
|
우선권정보 |
SE-0602596 (2006-11-30) |
국제출원번호 |
PCT/EP2007/062060
(2007-11-08)
|
§371/§102 date |
20100309
(20100309)
|
국제공개번호 |
WO2008/064982
(2008-06-05)
|
발명자
/ 주소 |
- Adler, Jeremy
- Parmryd, Ingela
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
10 |
초록
▼
The present invention relates to a method to perform an accurate correlation between a first set of data (1), collected from a first source (A1), and a second set of data (2), collected from a second source (A2), in the presence of noise in one or both of the first and second sets of data (1, 2). Th
The present invention relates to a method to perform an accurate correlation between a first set of data (1), collected from a first source (A1), and a second set of data (2), collected from a second source (A2), in the presence of noise in one or both of the first and second sets of data (1, 2). The present invention specifically teaches that a third set of data (3) is collected from the first source (A1) under the same conditions as the conditions of the collection of the first set of data (1), and that a fourth set of data (4) is collected from the second source (A2) under the same conditions as the conditions of the collection of the second set of data (2). A measured correlation value (rm) between data collected from the first source (A1) and the second source (A2) is taken as one of the correlation measurements out of the possible combinations of the first and second set of data (r12), the first and fourth set of data (r14), the third and second set of data (r32) and the third and fourth set of data (r34). A correction value (C12) is calculated based on a correlation measurement between the first and third set of data (r13) and a correlation measurement between the second and fourth set of data (r24) according to the expression: (Formula (I)). This correction value (C12) is applied to the measured correlation value (rm) resulting in a corrected correlation value rc=rm×C12. C12=1r13×r24(I)
대표청구항
▼
1. A method to perform an accurate correlation between a first set of data, collected from a first source, and a second set of data, collected from a second source, in the presence of noise in one or both of said first and second sets of data, where the data is data from digitized images, and where
1. A method to perform an accurate correlation between a first set of data, collected from a first source, and a second set of data, collected from a second source, in the presence of noise in one or both of said first and second sets of data, where the data is data from digitized images, and where the noise is caused by the quality of the underlying signal and the detection and digitization of the signal, wherein a third set of data is collected from said first source under the same conditions as the conditions of the collection of said first set of data,a fourth set of data is collected from said second source under the same conditions as the conditions of the collection of said second set of data,a measured correlation value (rm) between data collected from said first source and said second source is taken as one of the correlation measurements out of the possible combinations of said first and second set of data (r12), said first and fourth set of data (r14), said third and second set of data (r32) and said third and fourth set of data (r34),a correction value (C12) is calculated based on a correlation measurement between said first and third set of data (r13) and a correlation measurement between said second and fourth set of data (r24) according to the following expression: C12=1r13×r24 and wherein said correction value (C12) is applied to said measured correlation value (rm) resulting in a corrected correlation value (rc) according to the expression rc=rm×C12. 2. A method according to claim 1, wherein each entry in said first set of data is a first measurement or collection of original data from said first source, each entry in said third set of data is a second collection or measurement of the same original data from said first source, each entry in said second set of data is a first measurement or collection of original data from said second source, and wherein each entry in said fourth set of data is a second collection or measurement of the same original data from said second source. 3. A method according to claim 1, wherein said measured correlation value (rm) is taken as the mean value of at least two of correlation measurements between said first and second set of data (r12), said first and fourth set of data (r14), said third and second set of data (r32) and said third and fourth set of data (r34). 4. A method according to claim 2, wherein said measured correlation value (rm) is taken as the mean value of at least two of correlation measurements between said first and second set of data (r12), said first and fourth set of data (r14), said third and second set of data (r32) and said third and fourth set of data (r34). 5. A method according to claim 1, wherein Spearman rank correlation is used for said correlation measurements. 6. A method according to claim 1, wherein Pearson correlation is used for said correlation measurements. 7. A method according to claim 1, wherein said first and second sources are different channels in a microscope system, each channel using light of different wavelengths and wherein said first, second, third and fourth set of data are a first, second, third and fourth source images collected from said microscope system. 8. A non-transitory computer readable medium encoded with a computer program code, which when executed by a computer, will enable said computer to perform an accurate correlation between a first set of data, collected from a first source, and a second set of data, collected from a second source, in the presence of noise in one or both of said first and second sets of data, where the data is data from digitized images, and where the noise is caused by the quality of the underlying signal and the detection and digitization of the signal, wherein—a third set of data is collected from said first source under the same conditions as the conditions of the collection of said first set of data, —a fourth set of data is collected from said second source under the same conditions as the conditions of the collection of said second set of data, —a measured correlation value (rm) between data collected from said first source and said second source is taken as one of the correlation measurements out of the possible combinations of said first and second set of data (r12), said first and fourth set of data (r14), said third and second set of data (r32) and said third and fourth set of data (r34), —a correction value (C12) is calculated based on a correlation measurement between said first and third set of data (r13) and a correlation measurement between said second and fourth set of data (r24) according to the following expression: C12=1r13×r24 and wherein—said correction value (C12) is applied to said measured correlation value (rm) resulting in a corrected correlation value (rc) according to the expression rc=rm×C12.
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