Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, CONTROL DEVICE, AND IMAGE PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/064825
Kind Code:
A1
Abstract:
In the present invention, a transmittance estimation unit 11 estimates the transmittance in each area on the basis of an imaged image. The transmittance estimation unit 11 estimates a transmittance for each pixel using dark channel processing, for example. A transmittance detection unit 12 uses the transmittances estimated for each pixel by the transmittance estimation unit 11 and depth information for each pixel to detect the haze transmittance of the imaged image at the time of imaging. The transmittance detection unit 12 detects the haze transmittance on the basis of, for example, the logarithmic mean of the transmittances in the entirety or a prescribed part of the imaged image and an average depth value indicated by the depth information. Alternatively, the transmittance detection unit 12 may convert the gradation of the transmittance estimated for each area on the basis of the imaged image into the gradation of the depths indicated by the depth information for each area and use the transmittances after gradation conversion as the haze transmittances. The present invention makes it possible to accurately detect transmittance.

Inventors:
KAWATA SATOSHI (JP)
KAMIO KAZUNORI (JP)
TOKIZAKI YUKI (JP)
Application Number:
PCT/JP2018/026313
Publication Date:
April 04, 2019
Filing Date:
July 12, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP (JP)
International Classes:
G01C3/00; G01C3/06; G06T1/00; G06T5/00; G06T7/00; G06T7/521; G08G1/16
Foreign References:
US20120212477A12012-08-23
JPH05278519A1993-10-26
JP4807439B22011-11-02
JP2015039902A2015-03-02
JP2017016359A2017-01-19
JP2013058202A2013-03-28
JP2013058203A2013-03-28
Other References:
ZHU, QINGSONG ET AL.: "A Fast Single Image Haze Removal Algorithm Using Color Attenuation Prior", IEEE TRANSACTIONS ON IMAGE PROCESSING, vol. 24, no. 11, November 2015 (2015-11-01), pages 3522 - 3533, XP055396529, DOI: doi:10.1109/TIP.2015.2446191
HE, KAIMING ET AL.: "Single Image Haze Removal Using Dark Channel Prior", IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, vol. 33, no. 12, December 2011 (2011-12-01), pages 2341 - 2353, XP011409121, DOI: doi:10.1109/TPAMI.2010.168
KAIMING HEJIAN SUNXIAOOU TAN: "Single Image Haze Removal Using Dark Channel Prior", COMPUTER VISION AND PATTERN RECOGNITION, 2009. CVPR 2009. IEEE CONFERENCE ON, 2009, pages 1956 - 1963
See also references of EP 3690393A4
Attorney, Agent or Firm:
MIYATA, Masaaki et al. (JP)
Download PDF: