DEEPFOCAL: A method for direct focal length estimation

Abstract

Estimating the focal length of an image is an important preprocessing step for many applications. Despite this, existing methods for single-view focal length estimation are limited in that they require particular geometric calibration objects, such as orthogonal vanishing points, co-planar circles, or a calibration grid, to occur in the field of view. In… (More)
DOI: 10.1109/ICIP.2015.7351024

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