The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 20, 2020

Filed:

Jun. 11, 2018
Applicant:

National Chiao Tung University, Hsinchu, TW;

Inventors:

Jiun-In Guo, Hsinchu, TW;

Cheng-Yen Lin, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 5/00 (2006.01); G06T 7/70 (2017.01); H04N 5/243 (2006.01); H04N 5/235 (2006.01);
U.S. Cl.
CPC ...
G06T 5/002 (2013.01); G06T 7/70 (2017.01); H04N 5/2351 (2013.01); H04N 5/243 (2013.01); G06T 2207/20182 (2013.01); G06T 2207/20216 (2013.01);
Abstract

A video dehazing method includes: capturing a hazy image including multiple inputted pixels by an image capture module, calculating an atmospheric light value according to the inputted pixels by an atmospheric light estimation unit, determining a sky image area according to the inputted pixels via the intermediate calculation results of a guided filter by a sky detection unit; calculating a dark channel image according to the inputted pixels based on dark channel prior (DCP) by a dark channel prior unit; calculating a fine transmission image according to the inputted pixels, the atmospheric light value, the sky image area and the dark channel image via a guided filter by a transmission estimation unit, generating a dehazing image according to the inputted pixels, the atmospheric light value and the fine transmission image by an image dehazing unit, and outputting the dehazing image by a video outputting module.


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