IMAGE SIGNATURE CREATING METHOD AND APPARATUS FOR DISCRIMINATING STILL IMAGE

IMAGE SIGNATURE CREATING METHOD AND APPARATUS FOR DISCRIMINATING STILL IMAGE

An image signature creating method for discriminating a still image and an apparatus thereof are provided to prevent and intercept illegal contents distribution through search and identification of a still image which is illegally deformed. A map is formed by dividing a loop and an angle of a predet...

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Hauptverfasser: CHO, A YOUNG, OH, WEON GEUN, LEE, JUN WOO, JIN, JU KYOUNG, CHO, IK HWAN, YANG, WON KEUN, JEONG, DONG SEOK
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator CHO, A YOUNG
OH, WEON GEUN
LEE, JUN WOO
JIN, JU KYOUNG
CHO, IK HWAN
YANG, WON KEUN
JEONG, DONG SEOK
description An image signature creating method for discriminating a still image and an apparatus thereof are provided to prevent and intercept illegal contents distribution through search and identification of a still image which is illegally deformed. A map is formed by dividing a loop and an angle of a predetermined distance by a radius unit(110). An average pixel distribution value per each loop is calculated(115). The first variability distribution value of the calculated average pixel distribution value is calculated(120). The second variability distribution value is calculated by the first variability distribution value(125). Rotary variability distribution per each loop is calculated(130). Each characteristic distribution value calculated from the first calculation process to the fourth calculation process is converted into a bit string(135). An image signature is generated by performing the first merge of the converted bit string(140).
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title IMAGE SIGNATURE CREATING METHOD AND APPARATUS FOR DISCRIMINATING STILL IMAGE
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