Multiple size reductions for image segmentation

A sample image (144) is segmented by an image segmentation system (120) including a size reduction unit (134), which reduces the size of the image (144), and, at the same time, fills small gaps between foreground pixels. Thereafter, a connected component analyzer (136) identifies connected component...

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Bibliographic Details
Main Author KRTOLICA, RADOVAN V
Format Patent
LanguageEnglish
French
German
Published 20.12.2000
Edition7
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CALCULATING
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
SEALS
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Summary:A sample image (144) is segmented by an image segmentation system (120) including a size reduction unit (134), which reduces the size of the image (144), and, at the same time, fills small gaps between foreground pixels. Thereafter, a connected component analyzer (136) identifies connected components and their associated minimum bounding rectangles in the reduced image (145). Next, a target object filter (138) searches the connected components for target objects, making use of a target object library (146) to identify target objects characterized by such parameters as size, shape, and texture. Finally an inverse mapper (140) locates the bounding rectangles of the target objects in the original sample image (144), and extracts the associated portions of the image (144) for analysis in a conventional image classifier (142).
Bibliography:Application Number: EP19990301210