公开(公告)号：US20240314259A1

公开(公告)日：2024-09-19

申请号：US18602872

申请日：2024-03-12

Applicant: CANON KABUSHIKI KAISHA

Inventor： YOSHINORI MIZOGUCHI ,  AKITOSHI YAMADA ,  KOUTA MURASAWA ,  FUMINO MATSUI

IPC: H04N1/60 ,  G06K15/10

CPC classification number: H04N1/6075 ,  G06K15/102

Abstract: An image processing apparatus obtains image data; obtains first color conversion information applicable to the image data; divides the image data into a plurality of region data; corrects the first color conversion information to generate second color conversion information; and applies, to each of the plurality of region data, color conversion processing based on one of the first color conversion information and the second color conversion information. If a color difference between a third color and a fourth color obtained by converting a first color and a second color based on the first color conversion information is smaller than a predetermined color difference, a color difference between a fifth color and a sixth color obtained by converting the first color and the second color based on the second color conversion information is larger than the predetermined color difference.

公开(公告)号：US20240202977A1

公开(公告)日：2024-06-20

申请号：US18544008

申请日：2023-12-18

Applicant: CANON KABUSHIKI KAISHA

Inventor： YOSHINORI MIZOGUCHI ,  AKITOSHI YAMADA ,  KOUTA MURASAWA ,  FUMINO MATSUI

IPC: G06T7/90 ,  G06T5/20 ,  H04N1/60 ,  H04N9/64

CPC classification number: G06T7/90 ,  G06T5/20 ,  H04N1/603 ,  H04N9/64 ,  G06T2207/10024 ,  G06V10/764

Abstract: An image processing apparatus includes: an input unit which inputs image data; a generation unit which generates image data having undergone color gamut conversion from the image data input by the input unit using a conversion unit configured to convert a color gamut of the image data input by the input unit into a color gamut of a device configured to output the image data; a correction unit which corrects the conversion unit based on a result of the color gamut conversion; and a control unit which controls execution of the correction by the correction unit for a content included in the image data input by the input unit.

公开(公告)号：US20240372957A1

公开(公告)日：2024-11-07

申请号：US18647828

申请日：2024-04-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： FUMINO MATSUI ,  YOSHINORI MIZOGUCHI ,  KOUTA MURASAWA ,  AKITOSHI YAMADA

IPC: H04N1/60 ,  G06T7/90 ,  G06V10/56

Abstract: An image processing apparatus comprises an acquisition unit configured to acquire a first color information group included in a first area of image data and a second color information group included in a second area of the image data, a correction unit configured to correct first color conversion information corresponding to the first area based on the first color information group, and correct second color conversion information corresponding to the second area based on the second color information group, a generation unit configured to generate third color conversion information based on the corrected first color conversion information and the corrected second color conversion information, and a conversion unit configured to color-convert color information of the first area and color information of the second area using the third color conversion information generated by the generation unit.

公开(公告)号：US20240364837A1

公开(公告)日：2024-10-31

申请号：US18643123

申请日：2024-04-23

Applicant: CANON KABUSHIKI KAISHA

Inventor： FUMINO MATSUI ,  YOSHINORI MIZOGUCHI ,  KOUTA MURASAWA ,  AKITOSHI YAMADA

IPC: H04N1/60 ,  G06T7/90 ,  G06V10/56

CPC classification number: H04N1/6058 ,  G06T7/90 ,  G06V10/56 ,  G06T2207/10024

Abstract: An apparatus performs color conversion of color information of image data into color information of a different color gamut and determines whether color information representing substantially the same color as one piece of color information of a first group of color information in a first area of the image data is included in a second group of color information in a second area of the image data. In a case where a result of the determination indicates that first color information of the first group represents substantially the same color as second color information of the second group, a color difference between a first conversion color obtained by color conversion of the first color information using first color conversion information and a second conversion color obtained by color conversion of the second color information using second color conversion information is smaller than a predetermined value.