Determining distance between an object and a capture device based on captured image data
First Claim
1. A method, comprising:
- determining a distance between an object and a capture device based on;
image data captured by the capture device, the image data representing the object; and
a capture device intrinsic parameter matrix A;
wherein;
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Abstract
In various embodiments, methods, systems, and computer program products for determining distance between an object and a capture device are disclosed. The distance determination techniques are based on image data captured by the capture device, where the image data represent the object. These techniques improve the function of capture devices such as mobile phones by enabling determination of distance using a single lens capture device, and based on intrinsic parameters of the capture device, such as focal length and scaling factor(s), in preferred approaches. In some approaches, the distance estimation may be based in part on a priori knowledge regarding size of the object represented in the image data. Distance determination may be based on a homography transform and/or reference image data representing the object, a same type or similar type of object, in more approaches.
763 Citations
18 Claims
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1. A method, comprising:
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determining a distance between an object and a capture device based on; image data captured by the capture device, the image data representing the object; and a capture device intrinsic parameter matrix A; wherein; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15)
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12. A system, comprising:
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a processor configured to execute logic; and logic configured to determine a distance between an object and a capture device based on image data captured by the capture device, the image data representing the object; wherein the determining is based on a capture device intrinsic parameter matrix A; wherein;
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13. A computer program product comprising a non-transitory computer readable storage medium having computer readable program code stored thereon, the computer readable program code configured to cause a processor, upon execution thereof, to:
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determine a distance between an object and a capture device based on; image data captured by the capture device, the image data representing the object; and a capture device intrinsic parameter matrix A; wherein; - View Dependent Claims (16, 17, 18)
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Specification