SYSTEMS AND METHODS FOR ADJUSTING AN IMAGE
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United States of America Patent
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app pub date -
Jun 8, 2016
filing date -
Apr 7, 2016
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Abstract
A method for adjusting an image by an electronic device is described. The method includes detecting line segments in a single image. The method also includes clustering the line segments to produce a set of vanishing points. The method further includes determining a combination of a focal length and vanishing points corresponding to principal axes of a primary scene coordinate system from the set of vanishing points and a set of focal lengths based on an orthogonality constraint. The method additionally includes adjusting the single image based on the combination of the focal length and vanishing points to produce a perspective-adjusted image.
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