Method for determining the overall brightness of at least one object in a digital image

1. A computer implemented method for determining an overall brightness of at least one object in a digital image, the at least one object being configured to receive molecules comprising genetic information, the method comprising:

generating an area A comprising k sample points, the k sample points being distributed in the area A according to a predetermined distribution;

aligning a center position of the area A to a center position of the at least one object in the digital image;

extracting an intensity value at each of the k sample points; and

calculating a central tendency of the extracted intensity values at the respective k sample points.

2. The method according to claim 1 , wherein the area A has a shape of the at least one object in the digital image.

3. The method according to claim 1 , wherein the area A has a size of the at least one object in the digital image multiplied with a factor.

4. The method according to claim 1 , wherein the at least one object is a bead configured to receive DNA or RNA.

5. The method according to claim 1 , wherein the at least one object has a shape of a first disk in the digital image having a diameter of approximately 2.8 pixels.

6. The method according to claim 1 , wherein the area A has a shape of a second disk having a diameter of approximately 3 pixels.

7. The method according to claim 1 , wherein k sample points are less than or equal to 30.

8. The method according to claim 1 , wherein the predetermined distribution is a blue noise.

9. The method according to claim 1 , wherein the k sample points are generated using Poisson disk sampling.

10. The method according to claim 1 , wherein the intensity value of the digital image at each of the k sample points is extracted using a bilinear interpolation of the intensity value at a sub-pixel position of each of the k sample points.

11. The method according to claim 1 , wherein the central tendency of the extracted intensity values of the respective k sample points is calculated by calculating a median value of the extracted intensity values of the respective k sample points.

12. A non-transitory computer readable medium having instructions stored thereon that, when executed by at least one computing device, cause the at least one computing device to perform operations comprising:

generating an area A comprising k sample points, the k samples points being distributed in the area A according to a predetermined distribution;

aligning a center position of the area A to a center position of at least one object in a digital image;

extracting an intensity value at each of the k sample points; and

calculating a central tendency of the extracted intensity values at the respective k sample points.

13. The non-transitory computer readable medium according to claim 12 , wherein the area A has a shape of the at least one object in the digital image, the area A has a size of the at least one object in the digital image multiplied with a factor, and the at least one object is a bead configured to receive DNA or RNA.

14. The non-transitory computer readable medium according to claim 12 , wherein the at least one object has a shape of a first disk in the digital image having a diameter of approximately 2.8 pixels, and the k sample points are less than or equal to 30.

15. The non-transitory computer readable medium according to claim 12 , wherein the predetermined distribution is a blue noise, and the k sample points are generated using Poisson disk sampling.

16. The non-transitory computer readable medium according to claim 12 , wherein the intensity value of the digital image at each of the k sample points is extracted using a bilinear interpolation of the intensity value at a sub-pixel position of each of the k sample points, and the central tendency of the extracted intensity values of the respective k sample points is calculated by calculating a median value of the extracted intensity values of the respective k sample points.

17. A system for determining an overall brightness of at least one object in a digital image, the at least one object being configured to receive molecules comprising genetic information, wherein the system comprises:

a generation unit configured to generate an area A comprising k sample points, the k sample points being distributed in the area A according to a predetermined distribution;

an aligning unit configured to align a center position of the area A to a center position of the at least one object in the digital image;

an extracting unit configured to extract an intensity value at each of the k sample points; and

a calculating unit configured to calculate a central tendency of the extracted intensity values at the respective k sample points.

18. The system according to claim 17 , wherein the area A has a shape of the at least one object in the digital image, the area A has a size of the at least one object in the digital image multiplied with a factor, and the at least one object is a bead configured to receive DNA or RNA.

19. The system according to claim 17 , wherein the at least one object has a shape of a first disk in the digital image having a diameter of approximately 2.8 pixels, and the k sample points are less than or equal to 30.

20. The system according to claim 17 , wherein the intensity value of the digital image at each of the k sample points is extracted using a bilinear interpolation of the intensity value at a sub-pixel position of each of the k sample points, and the central tendency of the extracted intensity values of the respective k sample points is calculated by calculating a median value of the extracted intensity values of the respective k sample points.