The Available Visual Encryption Based On H.264/AVC
碩士 === 國立屏東教育大學 === 資訊科學系碩士班 === 101 === In this thesis, an available visually of encryption technology based on H.264/AVC are proposed.With the features of fast encoding and video distortion controlled within an acceptable range,it can be used to effectively resist copying or piracy. Assume the app...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2013
|
Online Access: | http://ndltd.ncl.edu.tw/handle/26363017599669450497 |
id |
ndltd-TW-101NPTT0394022 |
---|---|
record_format |
oai_dc |
spelling |
ndltd-TW-101NPTT03940222016-03-23T04:14:09Z http://ndltd.ncl.edu.tw/handle/26363017599669450497 The Available Visual Encryption Based On H.264/AVC 基於H.264/AVC之可視覺加密 Tsai, Cheng-Yi 蔡承益 碩士 國立屏東教育大學 資訊科學系碩士班 101 In this thesis, an available visually of encryption technology based on H.264/AVC are proposed.With the features of fast encoding and video distortion controlled within an acceptable range,it can be used to effectively resist copying or piracy. Assume the application environment is that the user can download available visually encrypted video from the Internet and play them.With payment,the user will get the decryption keys to have the unencrypted normal video.Without payment,the user will get a low-quality free and public content.Thus, people can understand the video content for the purpose of advertisement. We propose two encryption schemes, which find the corresponding DC and AC coefficient values to do encryption after the CAVLC coding.In both schemes, only the I-Frameshave been encrypted.The encrypted I-Framesare affected.Due to referring to the encrypted I-Frames,the P-Frames are alsoaffected.Therefore,all frames are affected and distorted to achieve the effect of encryption. Yang, Cheng-Hsing 楊政興 2013 學位論文 ; thesis 33 zh-TW |
collection |
NDLTD |
language |
zh-TW |
format |
Others
|
sources |
NDLTD |
description |
碩士 === 國立屏東教育大學 === 資訊科學系碩士班 === 101 === In this thesis, an available visually of encryption technology based on H.264/AVC are proposed.With the features of fast encoding and video distortion controlled within an acceptable range,it can be used to effectively resist copying or piracy. Assume the application environment is that the user can download available visually encrypted video from the Internet and play them.With payment,the user will get the decryption keys to have the unencrypted normal video.Without payment,the user will get a low-quality free and public content.Thus, people can understand the video content for the purpose of advertisement.
We propose two encryption schemes, which find the corresponding DC and AC coefficient values to do encryption after the CAVLC coding.In both schemes, only the I-Frameshave been encrypted.The encrypted I-Framesare affected.Due to referring to the encrypted I-Frames,the P-Frames are alsoaffected.Therefore,all frames are affected and distorted to achieve the effect of encryption.
|
author2 |
Yang, Cheng-Hsing |
author_facet |
Yang, Cheng-Hsing Tsai, Cheng-Yi 蔡承益 |
author |
Tsai, Cheng-Yi 蔡承益 |
spellingShingle |
Tsai, Cheng-Yi 蔡承益 The Available Visual Encryption Based On H.264/AVC |
author_sort |
Tsai, Cheng-Yi |
title |
The Available Visual Encryption Based On H.264/AVC |
title_short |
The Available Visual Encryption Based On H.264/AVC |
title_full |
The Available Visual Encryption Based On H.264/AVC |
title_fullStr |
The Available Visual Encryption Based On H.264/AVC |
title_full_unstemmed |
The Available Visual Encryption Based On H.264/AVC |
title_sort |
available visual encryption based on h.264/avc |
publishDate |
2013 |
url |
http://ndltd.ncl.edu.tw/handle/26363017599669450497 |
work_keys_str_mv |
AT tsaichengyi theavailablevisualencryptionbasedonh264avc AT càichéngyì theavailablevisualencryptionbasedonh264avc AT tsaichengyi jīyúh264avczhīkěshìjuéjiāmì AT càichéngyì jīyúh264avczhīkěshìjuéjiāmì AT tsaichengyi availablevisualencryptionbasedonh264avc AT càichéngyì availablevisualencryptionbasedonh264avc |
_version_ |
1718211571479478272 |