阅读说明：本技术 光敏成像系统和设备 (Photosensitive imaging system and apparatus ) 是由 米科·穆基 萨穆·科斯基宁 于 2017-11-24 设计创作，主要内容包括：一种用于光敏成像系统,用于确定设置在像素阵列中的黑光(optically black,OB)像素的串扰值,所述系统包括：至少一个图像传感器,其中所述图像传感器包括至少一个像素阵列；以及处理装置。所述像素阵列包括多个彩色通道像素(CP<Sub>1</Sub>、……、CP<Sub>n</Sub>)和至少一个OB像素(OB<Sub>1</Sub>、……、OB<Sub>n</Sub>)。所述处理装置用于检测OB像素(OB<Sub>1</Sub>)的彩色通道的强度值(IV<Sub>OB1</Sub>),检测相邻彩色通道像素(CP<Sub>1</Sub>)的强度值(IV<Sub>1</Sub>),并根据强度值(IV<Sub>OB1</Sub>、IV<Sub>1</Sub>)计算OB像素(OB<Sub>1</Sub>)的串扰值(CV<Sub>1</Sub>)。(A system for photosensitive imaging for determining crosstalk values for black light (OB) pixels disposed in a pixel array, the system comprising: at least one image sensor, wherein the image sensor comprises at least one pixel array; and a processing device. The pixel array includes a plurality of color Channel Pixels (CP) 1 、……、CP n ) And at least one OB pixel (OB) 1 、……、OB n ). The processing device is used for detecting OB pixel (OB) 1 ) Intensity Values (IV) of the color channels of (1) OB1 ) Detecting adjacent color Channel Pixels (CP) 1 ) Intensity Value (IV) of 1 ) And based on the Intensity Value (IV) OB1 、IV 1 ) Calculate OB Pixel (OB) 1 ) Cross talk value (CV) 1 )。)

1. A photosensitive imaging system (1) for determining crosstalk values for black-light (OB) pixels arranged in a pixel array, the system comprising:

at least one image sensor (2), whereinThe image sensor (2) comprises at least one pixel array comprising a plurality of color Channel Pixels (CP)₁、……、CP_n) And at least one OB pixel (OB)₁、……、OB_n)；

Processing means (3a, 3b) for:

detecting OB pixels (OB)₁) Intensity Values (IV) of the color channels of (1)_OB1)；

Detecting adjacent color Channel Pixels (CP)₁) Intensity Value (IV) of₁)；

According to the Intensity Value (IV)_OB1、IV₁) Calculating the OB pixel (OB)₁) Cross talk value (CV)₁)。

2. The photosensitive imaging system (1) according to claim 1, wherein said processing means (3a, 3b) is further configured to:

detecting OB pixels (OB)₁) At least one other Intensity Value (IV) of the color channel(s)_OB2、……、IV_OBn)；

Detecting at least one other adjacent color Channel Pixel (CP)₂、……、CP_n) At least one other Intensity Value (IV)₂、……、IV_n)；

According to the other Intensity Values (IV)_OB2、……、IV_OBn；IV₂、……、IV_n) Calculating the OB pixel (OB)₁) At least one other Crosstalk Value (CV)₂、……、CV_n)。

3. The photosensitive imaging system (1) according to claim 2, wherein the processing means (3a, 3b) is further configured to calculate the Crosstalk Value (CV)₁、……、CV_n) Before, for the adjacent color Channel Pixels (CP)₁、……、CP_n) Intensity Value (IV) of₁、……、IV_n) And (6) filtering.

4. Photosensitive imaging system (1) according to claim 2 or 3,the processing means (3a, 3b) are also adapted to determine a value (CV) of the crosstalk₁、……、CV_n) Calculate the OB pixels (OB)₁) Total Crosstalk Value (TCV)₁)。

5. The photosensitive imaging system (1) according to claim 4, characterized in that the processing means (3a, 3b) are further configured to calculate the Total Crosstalk Value (TCV)₁) Before, to the Crosstalk Value (CV)₁、……、CV_n) At least two of which are filtered.

6. The photosensitive imaging system (1) according to any one of claims 1 to 5, characterized in that the processing means (3a, 3b) are further configured to target at least one other OB pixel (OB)₂、……、OB_n) Repeating the steps of any one of claims 1 to 5 to obtain each other OB pixel (OB)₂、……、OB_n) Cross talk value/total cross talk value (CV)₁、……、CV_n；TCV₁、……、TCV_n)。

7. The photosensitive imaging system (1) according to claim 6, characterized in that the processing means (3a, 3b) are further arranged for aligning the OB pixels (OB)₁、……、OB_n) Calculated crosstalk/total Crosstalk Value (CV)₁、……、CV_n；TCV₁、……、TCV_n) And (6) filtering.

8. The photosensitive imaging system (1) according to any of claims 1 to 7, characterized in that the Crosstalk Value (CV) is₁、……、CV_n) The Total Crosstalk Value (TCV)₁、……、TCV_n) -storing the filtered crosstalk value and/or the filtered total crosstalk value in the photosensitive imaging system (1).

9. A light sensitive imaging device (4) for compensating for crosstalk in OB pixels within an array disposed in a pixel array, the device comprising:

at least one image sensor (2), wherein the image sensor (2) comprises at least one pixel array comprising a plurality of color Channel Pixels (CP)₁、……、CP_n) And at least one in-array OB pixel (OB)₁、……、OB_n)；

Processing means (3b) for:

selecting OB pixels (OB) within an array₁)；

Detecting adjacent color Channel Pixels (CP)₁) Intensity Value (IV) of₁)；

According to OB pixels (OB) in the array₁) Intensity Value (IV) of₁) And stored Crosstalk Value (CV)₁) Calculating OB pixels (OB) within the array₁) Current Crosstalk Value (CCV) of₁)。

10. Photosensitive imaging device (4) according to claim 9, wherein said processing means (3b) are further adapted to:

detecting at least one other adjacent color Channel Pixel (CP)₂、……、CP_n) At least one other Intensity Value (IV)₂、……、IV_n)；

According to the other Intensity Values (IV)₂、……、IV_n) And stored Crosstalk Value (CV)₁) Calculating OB pixels (OB) within the array₁) At least one other present crosstalk value (CCV)₂、……、CCV_n)。

11. The photosensitive imaging apparatus according to claim 10, wherein the processing means (3b) is further configured to calculate the Current Crosstalk Value (CCV)₁) Previously applying the Intensity Value (IV)₁、……、IV_n) And (6) filtering.

12. Photosensitive imaging device (4) according to claim 10 or 11, wherein said processing means (3b) are also adapted to determine said Current Crosstalk Value (CCV)₁、……、CCV_n) At least two ofCalculating OB pixels (OB) within the array₁) Total present crosstalk value (TCCV)₁)。

13. The photosensitive imaging device (4) according to claim 12, wherein the processing means (3b) are further configured to calculate the total present crosstalk value (TCCV)₁) Previously, for the Current Crosstalk Value (CCV)₁、……、CCV_n) At least two of which are filtered.

14. The photosensitive imaging device (4) according to any of claims 9 to 13, wherein the processing means (3b) is further configured to:

detecting the OB pixel (OB)₁) Intensity Value (IV) of_OB1)；

OB pixels (OB) within the array₁) The current crosstalk value/total current crosstalk value (CCV1, … …, CCVn; TCCV (TCCV tube)₁) Compared with a predetermined limit value X, in which,

if the current/total Current Crosstalk Value (CCV)₁、TCCV₁) Greater than X, then a different OB pixel (OB) in the array is selected₂、……、OB_n) And repeating the steps of any one of claims 9 to 13;

if the current/total Current Crosstalk Value (CCV)₁、TCCV₁) Less than or equal to X, calculating OB pixel (OB) in the array₁) Corrected Intensity Value (CIV)₁) (ii) a And is

Applying the Corrected Intensity Values (CIV)₁) Assigned to OB pixels (OB) within said array₁)。

15. Photosensitive imaging device (4) according to claim 14, characterized in that said processing means (3b) are adapted to determine the intensity of the radiation by deriving from said Intensity Values (IV)₁、……、IV_n) Or subtracting the Current Crosstalk Value (CCV) from the filtered intensity value₁、TCCV₁) To calculate the Corrected Intensity Values (CIV)₁)。

16. The photosensitive imaging device (4) according to any of claims 9 to 15, wherein the processing means (3b) is further configured to:

for OB pixels (OB) within at least one other array₂、……、OB_n) Repeating the steps of any one of claims 9 to 15;

for at least two OB pixels (OB) in the array₁、……、OB_n) Intensity Value (IV) of₁、……、IV_n) Filtering is carried out;

assigning the filtered intensity values as OB pixels (OB) within the at least two arrays₁、……、OB_n) Intensity Value (IV) of (a).

17. Photosensitive imaging device (4) according to any of claims 9 to 16, wherein the pixel array further comprises at least one frame OB pixel (FOB)₁、……、FOB_n) The at least one frame OB pixel is disposed at an outer edge of the pixel array.

18. Photosensitive imaging device (4) according to claim 17, wherein said processing means (3b) are adapted to: for and frame OB pixels (FOB)₁、……、FOB_n) Adjacent at least one intra-array OB pixel (OB)₁、……、OB_n)，

Detecting and comparing OB pixels (OB) within the array₁、……、OB_n) Adjacent at least one frame OB pixel (FOB)₁、……、FOB_n) Intensity Value (FIV) of the color channel of (1)₁、……、FIV_n) Wherein

If only one frame OB pixel (FOB) is detected₁) Frame OB pixel intensity value (FIV)₁) OB pixels of the Frame (FOB)₁) Intensity Value (FIV)₁) Is designated as the frame OB pixel (FOB)₁) Intensity Value of (FIV);

if at least two frame OB pixels (FOB) are detected₁、……、FOB_n) Frame OB pixel intensity value (FIV)₁、……、FIV_n) For said frame OB pixelsIntensity Value (FIV)₁、……、FIV_n) Average and assign the average intensity value as the OB pixel (FOB) of the frame₁、……、FOB_n) Frame OB pixel intensity value (FIV);

OB pixels (OB) within the array₁) Corrected Intensity Value (CIV)₁) And the frame OB pixels (FOB)₁、……、FOB_n) Is compared with the intensity values (FIV) of the color channels, wherein,

if the Corrected Intensity Value (CIV)₁) Equal to the frame OB pixel intensity value (FIV), the Corrected Intensity Value (CIV) is applied₁) Designated as OB pixels (OB) within the array₁) Intensity Value (IV) of₁)；

If the Corrected Intensity Value (CIV)₁) Different from the frame OB pixel intensity value (FIV), the Corrected Intensity Value (CIV) is then used₁) Match the frame OB pixel intensity values (FIV) and assign the matched intensity values as the Corrected Intensity Values (CIV)₁)。

19. Photosensitive imaging device (4) according to claim 18, wherein the processing means (3b) are adapted to apply the Corrected Intensity Values (CIV) by₁) Matching with the frame OB pixel intensity values (FIV):

by comparing the frame OB pixel intensity values (FIV) with the Corrected Intensity Values (CIV)₁) Dividing to calculate a pixel fraction value (F);

designating the frame OB pixel intensity values (FIV) as OB pixels (OB) within the array₁) The intensity value of (a);

associating the fractional value (F) with OB pixels (OB) within each array₂、……、OB_n) Intensity Value (IV) of₁、……、IV_n) Multiplication, wherein OB pixels (OB) within each array₂、……、OB_n) And the frame OB pixels (FOB)₁) And OB pixels (OB) within the array₁) Aligning;

assigning the intensity value product as OB pixels (OB) within each array₂、……、OB_n) The intensity value of (a).

20. A method of determining crosstalk values for OB pixels arranged in a pixel array, characterized in that the pixel array comprises a plurality of color Channel Pixels (CP)₁、……、CP_n) And at least one OB pixel (OB)₁、……、OB_n) The method comprises the following steps:

detecting OB pixels (OB)₁) Intensity Values (IV) of the color channels of (1)_OB1)；

Detecting adjacent color Channel Pixels (CP)₁) Intensity Value (IV) of₁)；

According to the Intensity Value (IV)_OB1、IV₁) Calculating the OB pixel (OB)₁) Cross talk value (CV)₁)。

21. A method of compensating for crosstalk in OB pixels within an array disposed in a pixel array,

the pixel array includes a plurality of color Channel Pixels (CP)₁、……、CP_n) And at least one OB pixel (OB)₁、……、

OB_n) The method comprises the following steps:

selecting OB pixels (OB) within an array₁)；

Detecting adjacent color Channel Pixels (CP)₁) Intensity Value (IV) of₁)；

According to the Intensity Value (IV)₁) And stored Crosstalk Value (CV)₁) Calculating OB pixels (OB) within the array₁) Current Crosstalk Value (CCV) of₁)。