Method for auto-depicting trends in object contours

Method for auto-depicting trends in object contours

Disclosed herein is a method for auto-depicting trends in object contours (referred to as ADTOC). At the heart of ADTOC is a sifting process to determine a significant angular value via evaluating a plurality of angular values in a predefined range. ADTOC is characterized in that a probe-ahead conce...

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Hauptverfasser: LIN, CHANG-TE, TSAI, SHANUN, WANG, JUNG-HUA, TSENG, CHUN-SHUN, LIN, CHIAO-WEI, WANG, YI-HUA
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator LIN, CHANG-TE
TSAI, SHANUN
WANG, JUNG-HUA
TSENG, CHUN-SHUN
LIN, CHIAO-WEI
WANG, YI-HUA
description Disclosed herein is a method for auto-depicting trends in object contours (referred to as ADTOC). At the heart of ADTOC is a sifting process to determine a significant angular value via evaluating a plurality of angular values in a predefined range. ADTOC is characterized in that a probe-ahead concept is applied to obtain a reference angular value along the current route, and then the probed angular value is used to modify the significant angular value in order to timely correct the subsequent trace direction, thus achieving more accurate trace result. Contours with discontinuous segments caused by noise, obstacles and illumination etc. can also be auto-depicted without requiring a predefined auxiliary route as in the prior art.
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subjects CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title Method for auto-depicting trends in object contours
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