Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IMAGE PROCESSING METHOD AND IMAGE PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/133010
Kind Code:
A1
Abstract:
The present invention is an image processing method comprising: obtaining a pixel statistical value of pixels and edge information for each of regions in multiple levels, the regions respectively including attention pixels and having ranges that sequentially become narrower; correcting information relating to the difference between a pixel statistical value for the region in an attention level and a pixel statistical value for the region in a level wider than the region in the attention level using the edge information; correcting the pixel statistical value for the region in the attention level using the corrected information relating to the difference, and the pixel statistical value for the region wider than the region in the attention level; recorrecting the corrected pixel statistical value for the region in the attention level using a pixel statistical value for a region wider than the regions in the respective levels, and information relating to the difference between the uncorrected pixel statistical value for the region in the attention level and the corrected pixel statistical value for the region in the attention level; and correcting the attention pixel by repeating correction and recorrection of the pixel statistical value for the region in the attention level sequentially in the respective levels until the minimum range region is reached from the maximum range region.

Inventors:
SENZAKI KENTA (JP)
TSUKADA MASATO (JP)
KAWAGUCHI HIROAKI (JP)
Application Number:
PCT/JP2014/054704
Publication Date:
September 04, 2014
Filing Date:
February 26, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NEC CORP (JP)
International Classes:
G06T5/00; H04N1/409; H04N5/21
Domestic Patent References:
WO2006106919A12006-10-12
WO2007114363A12007-10-11
Foreign References:
JP2003018403A2003-01-17
JPH1075395A1998-03-17
Attorney, Agent or Firm:
UDAKA Katsuki (JP)
Katsumi Uko (JP)
Download PDF: