公开(公告)号：US08797616B2

公开(公告)日：2014-08-05

申请号：US13724726

申请日：2012-12-21

申请人： Canon Kabushiki Kaisah

发明人： Hiroaki Sugiura ,  Kazuyoshi Sumiuchi ,  Koji Ito

IPC分类号： H04N1/46

CPC分类号： H04N1/46 ,  H04N1/64

摘要： This invention relates to a conversion table compression method of compressing a conversion table and storing the conversion table in a storage medium, including an axial difference creating step of creating an axial difference table by calculating, from data stored in the conversion table, the difference values between grid points adjacent in predetermined directions along a plurality of axes which define the input space of the conversion table, a compressing step of compressing the axial difference table to create compressed data, and a storing step of storing the compressed data in a recording medium.

摘要翻译： 本发明涉及一种压缩转换表并将转换表存储在存储介质中的转换表压缩方法，包括轴向差异创建步骤，通过从存储在转换表中的数据计算出差值来创建轴差分表 在沿着限定转换表的输入空间的多个轴在预定方向上相邻的格点之间的压缩步骤，压缩轴向差异表以产生压缩数据;以及存储步骤，将压缩数据存储在记录介质中。

公开(公告)号：US20130114094A1

公开(公告)日：2013-05-09

申请号：US13724726

申请日：2012-12-21

申请人： Canon Kabushiki Kaisah

发明人： Hiroaki Sugiura ,  Kazuyoshi Sumiuchi ,  Koji Ito

IPC分类号： H04N1/46

CPC分类号： H04N1/46 ,  H04N1/64

摘要： This invention relates to a conversion table compression method of compressing a conversion table and storing the conversion table in a storage medium, including an axial difference creating step of creating an axial difference table by calculating, from data stored in the conversion table, the difference values between grid points adjacent in predetermined directions along a plurality of axes which define the input space of the conversion table, a compressing step of compressing the axial difference table to create compressed data, and a storing step of storing the compressed data in a recording medium.

摘要翻译： 本发明涉及一种压缩转换表并将转换表存储在存储介质中的转换表压缩方法，包括轴向差异创建步骤，通过从存储在转换表中的数据计算出差值来创建轴差分表 在沿着限定转换表的输入空间的多个轴在预定方向上相邻的格点之间的压缩步骤，压缩轴向差异表以产生压缩数据;以及存储步骤，将压缩数据存储在记录介质中。