DE-NOISING METHOD AND IMAGE SYSTEM

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United States of America Patent

APP PUB NO 20150373235A1
SERIAL NO

14748248

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Abstract

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A decryption engine includes an update circuit, a key generator, a decryption circuit and a detection circuit. The update circuit generates a first updating information based on a premise of that a currently received frame is encrypted, and generates a second updating information based on a premise of that the currently received frame is non-encrypted. The key generator produces a first key according to the first updating information, and produces a second key according to the second updating information. The decryption circuit generates a first decrypted frame according to the first key and the currently received frame, and generates a second decrypted frame according to the second key and the currently received frame. The detection circuit detects whether the currently received frame is decrypted according to the first decrypted frame and the second decrypted frame, to generate an encryption detection result.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORPNO 2 INNOVATION RD II HSINCHU SCIENCE PARK HSINCHU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Shih-Tse Hsinchu County, TW 30 40
Chiang, Hao-Tien Taipei City, TW 9 12

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