Apparatus and method for adapting image processing based on a shape of a display device for a motor vehicle

Abstract

A method and an apparatus are for adapting image processing based on a shape of a display device for a motor vehicle. The apparatus includes: a capture device configured to capture a shape of a display device, an extrinsic camera parameter of a camera, an intrinsic camera parameter of the camera, and a of view of the camera; an arithmetic unit configured to calculate a reprojection surface and a correspondence table based on the captured shape of the display device, the extrinsic camera parameter, the intrinsic camera parameter, and the field of view; and an image processing device configured to perform adapted image processing that is adapted based on the reprojection surface and the correspondence table.

Claims

1. An apparatus comprising: a capture device configured to capture a shape of a display device of an A-pillar of a motor vehicle, an extrinsic camera parameter of a camera, an intrinsic camera parameter of the camera, and at least one field of view of the camera; an arithmetic unit configured to calculate a reprojection surface and a correspondence table based on the shape of the display device, the extrinsic camera parameter, the intrinsic camera parameter, and the at least one field of view; and an image processing device configured to perform adapted image processing that is adapted based on the reprojection surface and the correspondence table.

2. The apparatus according to claim 1, wherein the shape of the display device comprises a curvature of the display device, and the arithmetic unit is configured to calculate the reprojection surface to compensate the curvature of the display device.

3. The apparatus according to claim 1, wherein the arithmetic unit is configured to calculate the reprojection surface based on a projected display grid.

4. The apparatus according to claim 3, wherein the arithmetic unit is configured to generate the projected display grid on a subarea of the field of view.

5. A method comprising the steps: capturing a shape of a display device of an A-pillar of a motor vehicle by a capture device; capturing an extrinsic camera parameter of a camera, an intrinsic camera parameter of the camera, and at least one field of view of the camera by the capture device; calculating a reprojection surface and a correspondence table based on the shape of the display device, the extrinsic camera parameter, the intrinsic camera parameter, and the at least one field of view of the camera by an arithmetic unit; and performing an adapted image processing that is adapted based on the reprojection surface and the correspondence table by an image processing device.

6. The method according to claim 5, wherein the shape of the display device comprises a curvature of the display device, and the reprojection surface is calculated to compensate the curvature of the display device.

7. The method according to claim 5, wherein the reprojection surface is calculated based on a projected display grid.

8. The method according to claim 7, wherein the projected display grid is generated on a subarea of the field of view.

Description

BRIEF DESCRIPTION OF THE FIGURES

(1) In which:

(2) FIG. 1 shows a schematic depiction of an apparatus for adapting image processing based on a shape of a display device for a motor vehicle according to one exemplary embodiment of the present invention;

(3) FIG. 2 shows a schematic depiction of a flow chart for a method for adapting image processing based on a shape of a display device for a motor vehicle according to a further exemplary embodiment of the present invention; and

(4) FIG. 3 shows a schematic depiction of a method for adapting image processing based on a shape of a display device for a motor vehicle according to a further exemplary embodiment of the present invention;

(5) FIG. 4 shows a schematic depiction of a simulation of the camera reprojection with image distortion correction of the display shape according to a further exemplary embodiment of the present invention.

DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

(6) In the figures of the drawings, identical reference signs denote identical or functionally identical elements, parts, components or method steps, unless indicated otherwise.

(7) The motor vehicle or vehicle is, for example, a motor vehicle or a hybrid vehicle, for example a hybrid vehicle with coasting function, for example a motorcycle, a bus or a truck or a bicycle.

(8) FIG. 1 shows a schematic depiction of an apparatus for adapting image processing based on a shape of a display device for a motor vehicle according to one exemplary embodiment of the present invention.

(9) The apparatus 100 for adapting image processing based on a shape of a display device 200 for a motor vehicle comprises a capture device 10, an arithmetic unit 20 comprising a computing device, and an image processing device 30.

(10) The apparatus 100 may thus provide an improved camera surround view system with adapted image reprojection.

(11) The capture device 10 is configured to capture a shape of a display device 200 and at least one extrinsic camera parameter of a camera, at least one intrinsic camera parameter of the camera, and at least one field of view of the camera.

(12) The arithmetic unit 20 is configured to calculate a reprojection surface and a correspondence table based on the captured shape of the display device 200 and based on the at least one extrinsic camera parameter, the at least one intrinsic camera parameter, and the at least one field of view.

(13) The image processing device 30 is configured to perform adapted image processing based on the calculated reprojection surface and the calculated correspondence table.

(14) FIG. 2 shows a schematic depiction of a flow chart for a method for adapting image processing based on a shape of a display device for a motor vehicle according to a further exemplary embodiment of the present invention.

(15) The method for adapting image processing based on a shape of a display device 200 for a motor vehicle comprises the following method steps:

(16) A first method step involves capturing S1 the shape of the display device 200 by means of a capture device 10.

(17) A second method step involves capturing S2 an extrinsic camera parameter, an intrinsic camera parameter, at least one field of view of the camera by means of the capture device 10.

(18) A third method step involves calculating S3 a reprojection surface and a correspondence table based on the captured shape of the display device 200 and based on the at least one extrinsic camera parameter, the at least one intrinsic camera parameter, and the at least one field of view of the camera by means of an arithmetic unit 20.

(19) A fourth method step involves performing S4 the adapted image processing based on the calculated reprojection surface and the calculated correspondence table by means of an image processing device 30.

(20) FIG. 3 shows a schematic depiction of a method for adapting image processing based on a shape of a display device 200 for a motor vehicle according to a further exemplary embodiment of the present invention.

(21) FIG. 4 shows a schematic depiction of a simulation of the camera reprojection with distortion correction of the display shape according to a further exemplary embodiment of the present invention.

(22) Although the present invention has been described above on the basis of preferred exemplary embodiments, it is not limited thereto but is instead be modifiable in various ways. In particular, the invention may be changed or modified in manifold ways, without deviating from the essence of the invention.

(23) In addition, it is pointed out that comprising and having do not rule out any other elements or steps and a or one does not rule out a plurality.

(24) It should further be pointed out that features or steps which have been described with reference to one of the above exemplary embodiments may also be used in combination with other features or steps of other above-described exemplary embodiments. Reference signs in the claims are not to be regarded as limiting.