Invention Grant
- Patent Title: Image processing apparatus for determining a X coordinate value of an edge on a current scan line from among a plurality of X coordinate values
- Patent Title (中): 图像处理装置，用于从多个X坐标值中确定当前扫描线上的边缘的X坐标值
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Application No.: US13706229Application Date: 2012-12-05
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Publication No.: US08976418B2Publication Date: 2015-03-10
- Inventor: Shintarou Suzuki
- Applicant: Canon Kabushiki Kaisha
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., IP Division
- Priority: JP2011-268272 20111207
- Main IPC: H04N1/40
- IPC: H04N1/40 ; G06K15/02 ; G06T11/40 ; B41J2/34 ; G03G15/04 ; G06F3/12
Abstract:
An image forming apparatus determines, with respect to intermediate data including a start edge and an end edge indicating a shape of an object and which do not intersect and where an edge direction of the start edge and an edge direction of the end edge are aligned, whether an edge read from the intermediate data is the start edge or the end edge based on an edge direction of the edge, determines an X coordinate of an edge to be determined for each scan line as a minimum value of a corresponding scan line, and determines, an X coordinate of an edge to be determined for each scan line, as a maximum value of a corresponding scan line.
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