Systems and methods for setting initial display settings

1. A processor-implemented method for setting display settings of a display device, the method comprising:

a) receiving, by a processor, a data stream with data representing an image to be displayed;

and thereafter

b) determining, by the processor, a mean (μ) of a system background component of the data stream;

c) determining, by the processor, a standard deviation (σ) of a system background component of the data stream;

d) identifying, by the processor, a multiplier value (M);

e) calculating, by the processor, a display range of the image to be displayed based on the mean, the standard deviation, and the multiplier value;

f) setting the display settings of the display device based on the display range; and

g) displaying the data stream on the display device according to the display settings.

2. The method according to claim 1 , wherein the multiplier value is preconfigured.

3. The method according to claim 1 , wherein the multiplier value is 100.

4. The method according to claim 1 , wherein the multiplier value is adjustable.

5. The method according to claim 1 , wherein calculating a display range comprises calculating: μ+(M*σ).

6. The method according to claim 1 , further including filtering the data stream by:

selecting a first region of the image to be displayed;

generating an initial histogram of pixel intensity values in the first region, wherein the histogram includes a plurality of bins;

identifying a first bin as a bin having a greatest count of pixel intensity values;

identifying a left bin as a closest bin to the left of the first bin in the histogram that has a count that is less than a first count percentage of the greatest count;

identifying a right bin as a closest bin to the right of the first bin in the histogram that has a count that is less than a second count percentage of the greatest count;

generating an updated histogram of pixel intensity values having a range between the identified left bin and identified right bin;

fitting a Gaussian curve onto the updated histogram; and

applying a filter to the image based on parameters of the Gaussian curve.

7. A method according to claim 6 , wherein the first count percentage and the second count percentage are 2%.

8. A method according to claim 6 , wherein the filter is a bilateral filter.

9. A method according to claim 6 , wherein edges of the updated histogram are within a threshold percentage of the range of the pixel intensity values between the identified left bin and identified right bin.

10. A method according to claim 9 , wherein the threshold percentage is 80%.

11. The method of claim 1 , wherein the data stream comprises data representing multiple images and wherein steps b)-f) are performed for each of the multiple images in the data stream.

12. The method of claim 1 , wherein the data stream comprises data representing multiple images and wherein steps b)-f) are performed only once for all of the multiple images in the data stream.

13. The method according to claim 1 , further including filtering the data stream by:

selecting a first region of the image to be displayed;

generating an initial histogram of pixel intensity values in the first region, wherein the histogram includes a plurality of bins; and

a) identifying a first bin as a bin having a greatest count of pixel intensity values;

b) identifying a left bin as a closest bin to the left of the first bin in the histogram that has a count that is less than a first count percentage of the greatest count;

c) identifying a right bin as a closest bin to the right of the first bin in the histogram that has a count that is less than a second count percentage of the greatest count; and

d) determining whether edges of the histogram are within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, and

i) if edges of the histogram are within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, fitting a Gaussian curve onto the histogram, and applying a filter to the image based on parameters of the Gaussian curve; and

ii) if edges of the histogram are not within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, generating an updated histogram of pixel intensity values having a range between the identified left bin and identified right bin, and repeating steps a)-d) using the updated histogram.

14. A method according to claim 13 , wherein the threshold percentage is 80%.

15. A display device comprising one or more processors and a memory storing code, which when executed by the one or more processors cause the one or more processors to implement a method of setting display settings of the display device, the code including instructions to:

receive a data stream with data representing an image to be displayed;

and thereafter

determine a mean (μ) of a system background component of the data stream;

determine a standard deviation (σ) of a system background component of the data stream;

identify a multiplier value (M);

calculate a display range of the image to be displayed based on the mean, the standard deviation, and the multiplier value; and

set the display settings of the display device based on the display range.

16. The display device of claim 15 , wherein the code further includes instructions to filter the data stream, wherein the instructions to filter the data stream include instructions to:

select a first region of the image to be displayed;

generate an initial histogram of pixel intensity values in the first region, wherein the histogram includes a plurality of bins;

identify a first bin as a bin having a greatest count of pixel intensity values;

identify a left bin as a closest bin to the left of the first bin in the histogram that has a count that is less than a first count percentage of the greatest count;

identify a right bin as a closest bin to the right of the first bin in the histogram that has a count that is less than a second count percentage of the greatest count;

generate an updated histogram of pixel intensity values having a range between the identified left bin and identified right bin;

fit a Gaussian curve onto the updated histogram; and

apply a filter to the image based on parameters of the Gaussian curve.

17. The display device of claim 15 , wherein the code further includes instructions to filter the data stream, wherein the instructions to filter the data stream include instructions to:

select a first region of the image to be displayed;

generate an initial histogram of pixel intensity values in the first region, wherein the histogram includes a plurality of bins; and

a) identify a first bin as a bin having a greatest count of pixel intensity values;

b) identify a left bin as a closest bin to the left of the first bin in the histogram that has a count that is less than a first count percentage of the greatest count;

c) identify a right bin as a closest bin to the right of the first bin in the histogram that has a count that is less than a second count percentage of the greatest count; and

d) determine whether edges of the histogram are within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, and

i) if edges of the histogram are within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, fit a Gaussian curve onto the histogram, and apply a filter to the image based on parameters of the Gaussian curve; and

ii) if edges of the histogram are not within a threshold percentage of the range of pixel intensity values between the identified left bin and identified right bin, generate an updated histogram of pixel intensity values having a range between the identified left bin and identified right bin, and repeating steps a)-d) using the updated histogram.

18. A display device according to claim 17 , wherein the threshold percentage is 80%.

19. An image display system, comprising:

a display device, and a processor coupled with the display device, wherein the processor is configured to set or adjust initial display settings of the display device by:

receiving a data stream with data representing an image to be displayed;

and thereafter

determining a mean (μ) of a system background component of the data stream;

determining a standard deviation (σ) of a system background component of the data stream;

identifying a multiplier value (M);

calculating a display range of the image to be displayed based on the mean, the standard deviation, and the multiplier value; and

setting one or more display settings of the display device based on the display range.

20. The system of claim 19 , further including a memory storing instructions, which when executed by the processor cause the processor to set or adjust the initial display settings.

21. The system of claim 19 , wherein the processor is further configured to, prior to the determining the mean (μ) of a system background component of the data stream, filter the data stream.