CA2319911A1 - Apparatus and method for segmenting and classifying image data - Google Patents
Apparatus and method for segmenting and classifying image data Download PDFInfo
- Publication number
- CA2319911A1 CA2319911A1 CA002319911A CA2319911A CA2319911A1 CA 2319911 A1 CA2319911 A1 CA 2319911A1 CA 002319911 A CA002319911 A CA 002319911A CA 2319911 A CA2319911 A CA 2319911A CA 2319911 A1 CA2319911 A1 CA 2319911A1
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- CA
- Canada
- Prior art keywords
- image
- image data
- windows
- runs
- segmenting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A method and apparatus for segmenting image data into windows and for classifying the windows as typical image types includes making two passes through the image data. The method includes a step of making a first pass through the image data to identify windows and to record the beginning points and image types of each of the windows, and a step of making a second pass through the image data to label each of the pixels as a particular image type. The invention also includes a macro-detection method and apparatus for separating a scanline of image data into edges and image runs and for classifying each of the edges and image runs as standard image types. In the macro-detection method, image runs and edges are classified based on micro-detection results and based on image types of adjacent image runs.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/686,803 US5850474A (en) | 1996-07-26 | 1996-07-26 | Apparatus and method for segmenting and classifying image data |
US08/686,803 | 1996-07-26 | ||
CA002205764A CA2205764C (en) | 1996-07-26 | 1997-05-21 | Apparatus and method for segmenting and classifying image data |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002205764A Division CA2205764C (en) | 1996-07-26 | 1997-05-21 | Apparatus and method for segmenting and classifying image data |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2319911A1 true CA2319911A1 (en) | 1998-01-26 |
CA2319911C CA2319911C (en) | 2005-05-03 |
Family
ID=25679352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002319911A Expired - Fee Related CA2319911C (en) | 1996-07-26 | 1997-05-21 | Apparatus and method for segmenting and classifying image data |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2319911C (en) |
-
1997
- 1997-05-21 CA CA002319911A patent/CA2319911C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2319911C (en) | 2005-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |