Patent ID: 9508126
Filing Date: 2016-11-29
CPC Classification: G06N,G06T

Claim Text:
1. A computer-implemented digital image processing method comprising: receiving, by a processor, input data representing an input digital image having a plurality of pixels; modeling a scene radiance vector of the input digital image as a function of the input digital image, an atmospheric light factor, and a medium transmission for each of the pixels in the input digital image; calculating, by the processor, the medium transmission for each of the pixels in the input digital image based on a fractionally scaled variant of the corresponding pixel in the input digital image, the fractionally scaled variant being calculated using a scaling factor that is a function of the input digital image; filtering, by the processor, the medium transmission for each of the pixels in the input digital image using a smoothing function, such that a given neighborhood of pixels corresponding to the medium transmission for each of the pixels in the input digital image is locally smooth; and recovering, by the processor, the scene radiance vector based at least in part on the filtered medium transmission for each pixel in the input digital image, the recovered scene radiance vector representing a de-hazed digital image in which at least some haze effects in the input digital image are removed.