JP2003304522A5 - - Google Patents
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- JP2003304522A5 JP2003304522A5 JP2002108853A JP2002108853A JP2003304522A5 JP 2003304522 A5 JP2003304522 A5 JP 2003304522A5 JP 2002108853 A JP2002108853 A JP 2002108853A JP 2002108853 A JP2002108853 A JP 2002108853A JP 2003304522 A5 JP2003304522 A5 JP 2003304522A5
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- image signal
- encryption key
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Claims (20)
暗号鍵情報に基づいてスキャン順を示すスキャン情報を出力するスキャン情報生成手段と、
伝送画像信号に対して上記スキャン情報にしたがって伝送する画素を決定する伝送画素決定手段と、
上記決定された伝送画素の画素情報を伝送する伝送手段と、
上記暗号鍵情報を上記画素情報とは無関係で伝送する伝送手段とを有する画像信号伝送装置。In an image signal transmission device for transmitting a transmission image,
Scan information generating means for outputting scan information indicating the scan order based on the encryption key information;
Transmission pixel determining means for determining a pixel to be transmitted according to the scan information with respect to the transmission image signal;
Transmission means for transmitting pixel information of the determined transmission pixel;
An image signal transmission apparatus comprising: transmission means for transmitting the encryption key information independently of the pixel information.
暗号鍵情報に基づいてスキャン順を示すスキャン情報を出力するスキャン情報生成手段と、
伝送画像信号に対して上記スキャン情報にしたがって伝送する画素を決定する伝送画素決定手段と、
上記決定された伝送画素の画素情報を伝送する伝送手段と、
上記暗号鍵情報をエンコーダおよびデコーダが共有するための手段とを有する画像信号伝送装置。In an image signal transmission device for transmitting a transmission image,
Scan information generating means for outputting scan information indicating the scan order based on the encryption key information;
Transmission pixel determining means for determining a pixel to be transmitted according to the scan information with respect to the transmission image signal;
Transmission means for transmitting pixel information of the determined transmission pixel;
An image signal transmission apparatus having means for sharing the encryption key information between an encoder and a decoder.
上記暗号鍵情報が伝送画像の縮小画像情報である画像信号伝送装置。In claim 1 or 2,
An image signal transmission apparatus in which the encryption key information is reduced image information of a transmission image.
上記暗号鍵情報が伝送画像と異なる画像情報である画像信号伝送装置。In claim 1 or 2,
An image signal transmission apparatus in which the encryption key information is image information different from a transmission image.
上記暗号鍵情報が数字、文字等のディジタルデータである画像信号伝送装置。In claim 1 or 2,
An image signal transmission apparatus in which the encryption key information is digital data such as numerals and characters.
さらに、
入力画像信号において、注目画素を選出し、所定の方向に位置する１乃至複数の画素を候補画素として選出する候補選出手段を有し、
上記伝送画素決定手段は、上記候補画素の画素値に基づいて、伝送する画素を上記候補画素内において決定し、
決定された上記伝送する画素と対応する上記画素情報を伝送する画像信号伝送装置。In claim 1,
further,
In the input image signal, it has candidate selection means for selecting a target pixel and selecting one or more pixels located in a predetermined direction as candidate pixels.
The transmission pixel determining means determines a pixel to be transmitted in the candidate pixel based on a pixel value of the candidate pixel,
An image signal transmission apparatus for transmitting the pixel information corresponding to the determined pixel to be transmitted.
さらに、
それぞれ上記候補画素の周辺画素あるいは上記注目画素に基づいて、それぞれ上記候補画素の画素値をベクトルに変換するベクトル変換手段を有し、
上記伝送画素決定手段は、上記ベクトルに変換された上記候補画素の画素値に基づいて、伝送する画素を上記候補画素内において決定する画像信号伝送装置。In claim 6,
further,
Each having a vector conversion means for converting the pixel value of the candidate pixel into a vector based on the surrounding pixels of the candidate pixel or the pixel of interest,
The transmission pixel determining unit is an image signal transmission device that determines a pixel to be transmitted in the candidate pixel based on a pixel value of the candidate pixel converted into the vector.
上記候補画素の画素値のベクトルを表現するものとして、注目画素と次に送信する画素との差分値をベクトル表現で表すようにした画像信号伝送装置。In claim 7,
An image signal transmission apparatus in which a difference value between a pixel of interest and a pixel to be transmitted next is expressed by a vector expression as a pixel value vector of the candidate pixel.
暗号鍵情報に基づいてスキャン順を示すスキャン情報を出力するスキャン情報生成ステップと、
伝送画像信号に対して上記スキャン情報にしたがって伝送する画素を決定する伝送画素決定ステップと、
上記決定された伝送画素の画素情報を伝送する伝送ステップと、
上記暗号鍵情報を上記画素情報とは無関係で伝送する伝送ステップとを有する画像信号伝送方法。In an image signal transmission method for transmitting a transmission image,
A scan information generation step for outputting scan information indicating the scan order based on the encryption key information;
A transmission pixel determination step for determining a pixel to be transmitted according to the scan information with respect to the transmission image signal;
A transmission step of transmitting pixel information of the determined transmission pixel;
A transmission step of transmitting the encryption key information independently of the pixel information.
暗号鍵情報に基づいてスキャン順を示すスキャン情報を出力するスキャン情報生成ステップと、
伝送画像信号に対して上記スキャン情報にしたがって伝送する画素を決定する伝送画素決定ステップと、
上記決定された伝送画素の画素情報を伝送する伝送ステップと、
上記暗号鍵情報をエンコーダおよびデコーダが共有するためのステップとを有する画像信号伝送方法。In an image signal transmission method for transmitting a transmission image,
A scan information generation step for outputting scan information indicating the scan order based on the encryption key information;
A transmission pixel determination step for determining a pixel to be transmitted according to the scan information with respect to the transmission image signal;
A transmission step of transmitting pixel information of the determined transmission pixel;
A method for transmitting the encryption key information to an encoder and a decoder.
上記暗号鍵情報が伝送画像の縮小画像情報である画像信号伝送方法。In claim 9 or 10,
An image signal transmission method in which the encryption key information is reduced image information of a transmission image.
上記暗号鍵情報が伝送画像と異なる画像情報である画像信号伝送方法。In claim 9 or 10,
An image signal transmission method in which the encryption key information is image information different from a transmission image.
上記暗号鍵情報が数字、文字等のディジタルデータである画像信号伝送方法。In claim 9 or 10,
An image signal transmission method wherein the encryption key information is digital data such as numerals and characters.
さらに、
入力画像信号において、注目画素を選出し、所定の方向に位置する１乃至複数の画素を候補画素として選出する候補選出ステップを有し、
上記伝送画素決定ステップは、上記候補画素の画素値に基づいて、伝送する画素を上記候補画素内において決定し、
決定された上記伝送する画素と対応する上記画素情報を伝送する画像信号伝送方法。In claim 9,
further,
A candidate selection step of selecting a target pixel in the input image signal and selecting one or more pixels positioned in a predetermined direction as candidate pixels;
The transmission pixel determination step determines a pixel to be transmitted in the candidate pixel based on a pixel value of the candidate pixel,
An image signal transmission method for transmitting the pixel information corresponding to the determined pixel to be transmitted.
さらに、
それぞれ上記候補画素の周辺画素あるいは上記注目画素に基づいて、それぞれ上記候補画素の画素値をベクトルに変換するベクトル変換ステップを有し、
上記伝送画素決定ステップは、上記ベクトルに変換された上記候補画素の画素値に基づいて、伝送する画素を上記候補画素内において決定する画像信号伝送方法。In claim 14,
further,
A vector conversion step of converting the pixel value of each candidate pixel into a vector based on the surrounding pixels of the candidate pixel or the target pixel,
The transmission pixel determining step is an image signal transmission method in which a pixel to be transmitted is determined in the candidate pixel based on a pixel value of the candidate pixel converted into the vector.
上記候補画素の画素値のベクトルを表現するものとして、注目画素と次に送信する画素との差分値をベクトル表現で表すようにした画像信号伝送方法。In claim 15,
An image signal transmission method in which a difference value between a pixel of interest and a pixel to be transmitted next is expressed by a vector expression as a pixel value vector of the candidate pixel.
受信された上記画素情報から画素値を復号する画素値復号手段と、
受信された上記暗号鍵情報から復号した画素値の出力位置を決定する出力位置決定手段とを有する画像信号受信装置。Scan information indicating the scan order is output based on the encryption key information, a pixel to be transmitted is determined according to the scan information for the transmission image signal, pixel information of the determined transmission pixel is received, and the encryption key is received. In an image signal receiving apparatus that receives information regardless of the pixel information,
Pixel value decoding means for decoding a pixel value from the received pixel information;
An image signal receiving device comprising: output position determining means for determining an output position of a pixel value decrypted from the received encryption key information.
受信された上記画素情報から画素値を復号する画素値復号手段と、
上記暗号鍵情報から復号した画素値の出力位置を決定する出力位置決定手段とを有する画像信号受信装置。Scan information indicating the scan order is output based on the encryption key information, a pixel to be transmitted is determined according to the scan information for the transmission image signal, pixel information of the determined transmission pixel is received, and the encryption key is received. In an image signal receiving apparatus configured to share information between an encoder and a decoder,
Pixel value decoding means for decoding a pixel value from the received pixel information;
An image signal receiving apparatus comprising: output position determining means for determining an output position of a pixel value decrypted from the encryption key information.
受信された上記画素情報から画素値を復号する画素値復号ステップと、
受信された上記暗号鍵情報から復号した画素値の出力位置を決定する出力位置決定ステップとを有する画像信号受信方法。Scan information indicating the scan order is output based on the encryption key information, a pixel to be transmitted is determined according to the scan information for the transmission image signal, pixel information of the determined transmission pixel is received, and the encryption key is received. In an image signal receiving method for receiving information independently of the pixel information,
A pixel value decoding step of decoding a pixel value from the received pixel information;
An image signal receiving method comprising: an output position determining step for determining an output position of a pixel value decrypted from the received encryption key information.
受信された上記画素情報から画素値を復号する画素値復号ステップと、
上記暗号鍵情報から復号した画素値の出力位置を決定する出力位置決定ステップとを有する画像信号受信方法。Scan information indicating the scan order is output based on the encryption key information, a pixel to be transmitted is determined according to the scan information for the transmission image signal, pixel information of the determined transmission pixel is received, and the encryption key is received. In an image signal receiving method in which information is shared by an encoder and a decoder,
A pixel value decoding step of decoding a pixel value from the received pixel information;
And an output position determining step of determining an output position of a pixel value decrypted from the encryption key information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002108853A JP4239465B2 (en) | 2002-04-11 | 2002-04-11 | Image signal transmission apparatus and method, and image signal reception apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002108853A JP4239465B2 (en) | 2002-04-11 | 2002-04-11 | Image signal transmission apparatus and method, and image signal reception apparatus and method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003304522A JP2003304522A (en) | 2003-10-24 |
| JP2003304522A5 true JP2003304522A5 (en) | 2005-09-08 |
| JP4239465B2 JP4239465B2 (en) | 2009-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002108853A Expired - Fee Related JP4239465B2 (en) | 2002-04-11 | 2002-04-11 | Image signal transmission apparatus and method, and image signal reception apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4239465B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100574524B1 (en) * | 2004-01-20 | 2006-04-27 | 삼성전자주식회사 | Encrytion and decrytion method for scan data |
| CN115733933B (en) * | 2022-11-29 | 2023-10-31 | 南京先维信息技术有限公司 | Network security encryption method based on artificial intelligence |
-
2002
- 2002-04-11 JP JP2002108853A patent/JP4239465B2/en not_active Expired - Fee Related
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