Apparatus and Method for Adapting Image Processing Based on a Shape of a Display Device for a Motor Vehicle

20200111191 ยท 2020-04-09

    Inventors

    Cpc classification

    International classification

    Abstract

    The present invention relates to an apparatus for adapting image processing based on a shape of a display device for a motor vehicle, the apparatus (1) comprising: a capture device (10), which is configured to capture a shape of a display device (200) and 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 (20), which is configured to calculate a reprojection surface and a correspondence table based on the captured shape of the display device 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; and an image processing device (30), which is configured to perform adapted image processing based on the calculated reprojection surface and the calculated correspondence table.

    Claims

    1. An apparatus (100) for adapting image processing based on a shape of a display device (200) for a motor vehicle, the apparatus (100) comprising: a capture device (10), which is configured to capture the shape of the display device (200) and an extrinsic camera parameter of a camera, an intrinsic camera parameter of the camera, and at least one field of B view of the camera; and an arithmetic unit (20), which 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 extrinsic camera parameter, the intrinsic camera parameter, and the at least one field of view; and an image processing device (30), which is configured to perform adapted image processing based on the calculated reprojection surface and the calculated correspondence table.

    2. The apparatus according to claim 1, wherein the capture device (10) is configured to capture the shape of the display device (200) of an A pillar of a motor vehicle.

    3. The apparatus according to claim 1, wherein the arithmetic unit (20) is configured to calculate the reprojection surface to compensate a curvature of the display device (200).

    4. The apparatus according to claim 1, wherein the arithmetic unit (20) is configured to calculate the reprojection surface based on a projected display grid.

    5. The apparatus according to claim 4, wherein the arithmetic unit (20) is configured to generate the projected display grid on a subarea of the field of view.

    6. A method for adapting image processing based on a shape of a display device (200) for a motor vehicle, the method comprising the following method steps: capturing (S1) the shape of the display device (200) by means of a capture device (10); and capturing (S2) an extrinsic camera parameter, an intrinsic camera parameter, and at least one field of view of the camera by means of the capture device (10); and calculating (S3) a reprojection surface and a correspondence table based on the captured shape of the display device (200) and based on the extrinsic camera parameter, the intrinsic camera parameter, and the at least one field of view of the camera by means of an arithmetic unit (20); and 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).

    7. The method according to claim 6, wherein the shape of the display device (200) of an A pillar of a motor vehicle is captured.

    8. The method according to claim 6, wherein the reprojection surface is calculated to compensate a curvature of the display device (200).

    9. The method according to claim 6, wherein the reprojection surface is calculated based on a projected display grid.

    10. The method according to claim 9, wherein the projected display grid is generated on a subarea of the field of view.

    Description

    BRIEF DESCRIPTION OF THE FIGURES

    [0028] In which:

    [0029] 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;

    [0030] 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

    [0031] 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;

    [0032] 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

    [0033] In the figures of the drawings, identical reference signs denote identical or functionally identical elements, parts, components or method steps, unless indicated otherwise.

    [0034] 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.

    [0035] 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.

    [0036] 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 and a computing device 20 as well as an image processing device 30.

    [0037] The apparatus 100 may thus provide an improved camera surround view system with adapted image reprojection.

    [0038] 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.

    [0039] 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.

    [0040] The image processing device 30 is configured to perform adapted image processing based on the calculated reprojection surface and the calculated correspondence table.

    [0041] 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.

    [0042] The method for adapting image processing based on a shape of a display device 200 for a motor vehicle comprises the following method steps:

    [0043] A first method step involves capturing S1 the shape of the display device 200 by means of a capture device 10.

    [0044] 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.

    [0045] 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.

    [0046] 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.

    [0047] 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.

    [0048] 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.

    [0049] 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.

    [0050] 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.

    [0051] 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.