Virtual viewpoint position control device and virtual viewpoint position control method
First Claim
1. A display assistance device that converts images captured by a plurality of cameras installed on a vehicle into an overhead image of a downward view from a virtual viewpoint in air, and displays the overhead image on a display with a host vehicle icon superimposed on the overhead image, the host vehicle icon indicating a position of the vehicle, the display assistance device comprising:
- a computer that determines whether or not the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, and changes a position of the virtual viewpoint if determining that the vehicle is making the lane change,wherein the computer changes the position of the virtual viewpoint when the position of the virtual viewpoint moves out of a host vehicle lane,the computer does not change the position of the virtual viewpoint when the position of the virtual viewpoint does not move out of the host vehicle lane, andin a case where the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, the computer changes the position of the virtual viewpoint toward the next lane.
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Accused Products
Abstract
A display assistance device detects the steering angle of a vehicle by using a steering angle sensor, and changes the position of a virtual viewpoint behind the host vehicle based on the detected steering angle. Then, the display assistance device converts images captured using a plurality of cameras such as a front camera and a rear camera into an overhead image of a downward view from the virtual viewpoint, and displays the converted overhead image on a display with a host vehicle icon superimposed on the overhead image, the host vehicle icon indicating the position of the vehicle.
10 Citations
12 Claims
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1. A display assistance device that converts images captured by a plurality of cameras installed on a vehicle into an overhead image of a downward view from a virtual viewpoint in air, and displays the overhead image on a display with a host vehicle icon superimposed on the overhead image, the host vehicle icon indicating a position of the vehicle, the display assistance device comprising:
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a computer that determines whether or not the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, and changes a position of the virtual viewpoint if determining that the vehicle is making the lane change, wherein the computer changes the position of the virtual viewpoint when the position of the virtual viewpoint moves out of a host vehicle lane, the computer does not change the position of the virtual viewpoint when the position of the virtual viewpoint does not move out of the host vehicle lane, and in a case where the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, the computer changes the position of the virtual viewpoint toward the next lane. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A display assistance method involving converting images captured by a plurality of cameras installed on a vehicle into an overhead image of a downward view from a virtual viewpoint in air, and displaying the overhead image on a display with a host vehicle icon superimposed on the overhead image, the host vehicle icon indicating a position of the vehicle, the display assistance method comprising:
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a first step of determining whether or not the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane; and a second step of changing a position of the virtual viewpoint if determining that the vehicle is making the lane change, wherein in the second step, the position of the virtual viewpoint is changed in a case where the position of the virtual viewpoint moves out of a host vehicle lane, wherein in the second step, the position of the virtual viewpoint is not changed in a case where the position of the virtual viewpoint does not move out of the host vehicle lane, and wherein in a case where the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, the changes the position of the virtual viewpoint toward the next lane.
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8. A display assistance device that converts images captured by a plurality of cameras installed on a vehicle into an overhead image of a downward view from a virtual viewpoint in air, and displays the overhead image on a display with a host vehicle icon superimposed on the overhead image, the host vehicle icon indicating a position of the vehicle, the display assistance device comprising:
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a computer that determines whether or not the vehicle is making a lane change from a travel lane in which the vehicle is traveling to a next lane next to the travel lane, and changes a position of the virtual viewpoint if determining that the vehicle is making the lane change, wherein the computer changes the position of the virtual viewpoint when the position of the virtual viewpoint moves out of a host vehicle lane, the computer does not change the position of the virtual viewpoint when the position of the virtual viewpoint does not move out of the host vehicle lane, and the computer sets the position of the virtual viewpoint as a position relative to the host vehicle in accordance with a speed of the host vehicle. - View Dependent Claims (9, 10, 11, 12)
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Specification