SHAPE DETECTION METHOD IN CAMERA

SHAPE DETECTION METHOD IN CAMERA

PURPOSE: A method for detecting a shape by a camera is provided to be robust against a light change by using a texture pattern without directly using a gradation pattern. CONSTITUTION: The gradation difference values between the gradation of a central pixel and the gradation of surrounding pixels ar...

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Hauptverfasser: KIM, DAI JIN, JESON, SEOUNG SEON, YUN, JONG MIN, JUN, BONG JIN
Format: Patent
Sprache:eng ; kor
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator KIM, DAI JIN
JESON, SEOUNG SEON
YUN, JONG MIN
JUN, BONG JIN
description PURPOSE: A method for detecting a shape by a camera is provided to be robust against a light change by using a texture pattern without directly using a gradation pattern. CONSTITUTION: The gradation difference values between the gradation of a central pixel and the gradation of surrounding pixels are calculated for each local area of an image frame(S32). The average values of the gradation difference values are compared with the gradation difference values for each local area(S33). The value of an LGP(Local Gradient Pattern) is obtained based on the comparison result. The area of a specific shape is detected from the image frame using values of the value of the LGP(S34).
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title SHAPE DETECTION METHOD IN CAMERA
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