COLOR MASK FOR AN IMAGE SENSOR OF A VEHICLE CAMERA
1 Assignment
0 Petitions
Accused Products
Abstract
A color mask for an image sensor of a vehicle camera has a matrix arrangement made up of first filter pixels and second filter pixels. In every horizontal row and/or every vertical column, first filter pixels and second filter pixels are situated, the first filter pixels and the second filter pixels having different transmission behaviors. The second filter pixels have a more comprehensive transmission behavior, e.g., completely transparent to optical light. The first filter pixels are preferably red.
-
Citations
24 Claims
-
1-12. -12. (canceled)
-
13. A color mask for an image sensor of a vehicle camera, comprising:
a matrix arrangement of a plurality of first filter pixels and a plurality of second filter pixels, wherein the first filter pixels and the second filter pixels have different transmission behaviors for optical light, and wherein the matrix arrangement includes horizontal rows and vertical columns, and wherein at least one of;
(a) each row of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel; and
(b) each column of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel.- View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
-
23. A camera for a vehicle, comprising:
-
an image sensor having a matrix arrangement of sensor pixels for receiving optical light and outputting image signals; and a color mask situated in front of the image sensor, wherein the color mask includes; a matrix arrangement of a plurality of first filter pixels and a plurality of second filter pixels, wherein the first filter pixels and the second filter pixels have different transmission behaviors for optical light, and wherein the matrix arrangement includes horizontal rows and vertical columns, and wherein at least one of;
(a) each row of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel; and
(b) each column of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel;wherein each filter pixel is situated directly in front of a sensor pixel.
-
-
24. A vehicle image-sensing system, comprising:
-
a camera for a vehicle, the camera including; an image sensor having a matrix arrangement of sensor pixels for receiving optical light and outputting image signals; a color mask situated in front of the image sensor, wherein the color mask includes; a matrix arrangement of a plurality of first filter pixels and a plurality of second filter pixels, wherein the first filter pixels and the second filter pixels have different transmission behaviors for optical light, and wherein the matrix arrangement includes horizontal rows and vertical columns, and wherein at least one of;
(a) each row of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel; and
(b) each column of the matrix arrangement includes at least one first filter pixel and at least one second filter pixel;wherein each filter pixel is situated directly in front of a sensor pixel; and at least one control-and-analyzer device receiving image signals from the camera and ascertaining from a time curve of the image signals whether objects emitting a red tail-light or a white head-light are situated in a detection range of the camera.
-
Specification