CRUISE-ASSIST IMAGE GENERATION DEVICE, CRUISE-ASSIST IMAGE GENERATION METHOD, IN-VEHICLE CAMERA AND EQUIPMENT-CONTROL ASSIST IMAGE GENERATION DEVICE
First Claim
1. A cruise-assist image generation device comprising:
- a steering-angle information acquisition unit acquiring steering angle information of a steering wheel;
an additional line generation unit generating a cruise assist additional line corresponding to the acquired steering angle information and formed by combination of a given number of segments; and
an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image,wherein the additional line generation unit generates respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two endpoints and one middle point representing each segment, and generating respective straight lines forming the remains of the given number of segments by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment.
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Accused Products
Abstract
A cruise-assist image generation device includes a steering-angle information acquisition unit, an additional line generation unit generating a cruise assist additional line corresponding to acquired steering angle information and formed by combination of a given number of segments, and an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image. The additional line generation unit generates respective curved lines forming at least some of the segments by quadratic curve approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of points representing each segment, and generating respective straight lines forming any remaining segments by collinear approximation using coordinate data corresponding to the acquired steering angle information.
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Citations
14 Claims
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1. A cruise-assist image generation device comprising:
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a steering-angle information acquisition unit acquiring steering angle information of a steering wheel; an additional line generation unit generating a cruise assist additional line corresponding to the acquired steering angle information and formed by combination of a given number of segments; and an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image, wherein the additional line generation unit generates respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two endpoints and one middle point representing each segment, and generating respective straight lines forming the remains of the given number of segments by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A cruise-assist image generation method comprising:
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acquiring steering angle information of a steering wheel; generating a cruise assist additional line corresponding to the acquired steering angle information and formed by combination of a given number of segments; and superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image, wherein respective curved lines forming part or all of the given number of segments are generated by quadratic curve approximation using coordinate data correspond to the acquired steering angle information and including coordinates of two end points and one middle point representing each segment, and respective straight lines forming the remains of the given number of segments are generated by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment in the process of generating the cruise assist additional line.
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11. An in-vehicle camera comprising:
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an imaging unit taking images of the vehicle periphery; and a cruise-assist image generation unit, wherein cruise-assist image generation unit includes a steering-angle information acquisition unit acquiring steering angle information of a steering wheel, an additional line generation unit generating a cruise assist additional line corresponding to the acquired steering angle information and formed by combination of a given number of segments, and an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image obtained in the imaging unit to obtain a composite image, in which the additional line generation unit generates respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two endpoints and one middle point representing each segment, and generates respective straight lines forming the remains of the given number of segments by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment.
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12. A cruise-assist image generation device comprising:
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an additional line generation unit generating a cruise assist additional line formed by combination of a given number of segments; a coordinate data storage unit storing coordinate data necessary for generating the segments; and an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image, wherein the additional line generation unit generates respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data of two end points and one middle point representing each segment.
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13. An equipment-control assist image generation device comprising:
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a device monitoring external peripheral environment by an imaging device mounted on driving equipment and capable of superimposing a track on an image in which a coordinate change occurs along with a driving operation on the image obtained by the device; an additional line generation unit generating a track assist additional line corresponding to acquired steering angle information and formed by combination of a given number of segments; and an additional line superimposing unit superimposing the generated track assist additional line on a background image to obtain a composite image, wherein the additional line generation unit generates respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two endpoints and one middle point representing each segment, and generates respective straight lines forming the remains of the given number of segments by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment.
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14. A cruise-assist image generation device comprising:
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an imaging unit equipped with a variable function of a visual field range; an additional line generation unit generating a cruise assist additional line formed by combination of a given number of segments; and an additional line superimposing unit superimposing the generated cruise assist additional line on a taken image of the vehicle periphery to obtain a composite image, wherein the additional line generation unit has a unit configured to generate respective curved lines forming part or all of the given number of segments by quadratic curve approximation using coordinate data corresponding to acquired steering angle information and including coordinates of two end points and one middle point representing each segment, generate respective straight lines forming the remains of the given number of segments by collinear approximation using coordinate data corresponding to the acquired steering angle information and including coordinates of two end points representing each segment and update and generating coordinate data necessary for generating the additional line in accordance with a variable state of the visual field range.
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Specification