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    • 2. 发明公开
    • 비트블록의 위치정보를 이용하는 워터마크 삽입 및 검출방법
    • 通过使用位块的位置信息插入和检测水印的方法
    • KR1020030094498A
    • 2003-12-12
    • KR1020030020376
    • 2003-04-01
    • 주식회사 마크애니주식회사 다고아이티
    • 김종원최종욱이한호
    • H04N21/83H04N21/8358
    • PURPOSE: A method for inserting and detecting a watermark by using position information of bit blocks is provided to insert information as a watermark without image quality distortion, and realize a watermark robust to an external attack. CONSTITUTION: A watermark block(110a) into which a watermark is to be inserted is divided into a plurality of bit blocks(120). A pseudo random number expressing watermark information is inserted into the watermark block. The insertion of the pseudo random number is adjusted so that one bit block located in a predetermined position displays a peak value in cross correlation measurement in detecting the watermark. The length of the pseudo random number is the same as the length of the watermark block.
    • 目的:提供一种通过使用位块的位置信息来插入和检测水印的方法,以将信息作为水印插入而不产生图像质量失真,并实现对外部攻击具有鲁棒性的水印。 构成:将要插入水印的水印块(110a)分成多个位块(120)。 将表示水印信息的伪随机数插入到水印块中。 调整伪随机数的插入,使得位于预定位置的一个位块在检测水印时在互相关测量中显示峰值。 伪随机数的长度与水印块的长度相同。
    • 3. 发明授权
    • 디지털 비디오 컨텐츠에 워터마크를 삽입하는 장치 및 방법
    • 디지털비디디컨텐츠에워터마크를하는장치및방
    • KR100390343B1
    • 2003-07-07
    • KR1020010015240
    • 2001-03-23
    • 주식회사 다고아이티주식회사 마크애니
    • 최종욱김종원이한호
    • H04N21/8358
    • G06T1/0028
    • PURPOSE: A device and a method for generating and inserting watermark to digital video contents and a recording medium recorded with programs are provided to insert the watermark to the video data photographed by a video camera, a VCR, a digital video camera, and the like in real time and apply the watermark to the motion picture realizing technology in the internet broadcasting or the digital broadcasting. CONSTITUTION: A device for generating and inserting watermark to digital video contents includes a watermark generating part(2) and a watermark inserting part(3), wherein the watermark generating part includes watermark generating/inserting strength control elements(21,22,23) for generating a watermark having identification information and controlling insertion strength, video image generating and frequency area converting elements for generating a video image to be the watermark and converting the video image to a data of a frequency area, and a space area converting element for coupling the watermark generated and insertion strength-controlled by the watermark generating and inserting strength control element with the video image generated and converted in the video image generating and frequency area converting elements, and the watermark inserting part inserts the watermark generated from the watermark generating part to the digital video contents.
    • 目的:提供一种用于为数字视频内容产生和插入水印的装置和方法以及记录有节目的记录介质,以将水印插入到由摄像机,VCR,数字摄像机等拍摄的视频数据中 实时地将水印应用于互联网广播或数字广播中的运动图像实现技术。 用于产生和插入数字视频内容的装置包括水印产生部分(2)和水印插入部分(3),其中水印产生部分包括水印产生/插入强度控制元件(21,22,23) 用于产生具有标识信息和控制插入强度的水印;视频图像产生和频率区域转换单元,用于产生作为水印的视频图像并将视频图像转换为频率区域的数据;以及空间区域转换单元,用于耦合 生成的水印以及由水印生成和插入强度控制单元与视频图像生成和频率区域转换单元中生成和转换的视频图像一起插入强度控制,并且水印插入部分将从水印生成部分生成的水印插入到 数字视频内容。
    • 4. 发明公开
    • 문서 또는 물품의 위변조를 방지하기 위한 바코드를이용한 워터마크 삽입 및 검지 방법과 그 장치
    • 用于使用条形码插入和传感水印的方法和装置,用于防止文件或文章从加工和改变
    • KR1020020084755A
    • 2002-11-11
    • KR1020010023985
    • 2001-05-03
    • 주식회사 다고아이티주식회사 마크애니
    • 김종원최종욱이한호
    • G06K9/00
    • PURPOSE: A method and device for inserting and sensing a watermark are provided to prevent a document or an article from being drained away or forged by inserting a watermark in a symbol structure such as a bar code or a logo. CONSTITUTION: A bar code creating unit(120) creates a bar code in accordance with information of a document. A bar code reader(140) reads a bar code and converts the bar code into information such as a series of numerals and characters. A key conversion unit(150a) converts the information converted from the bar code into a watermark key. A watermark inserting unit(160) inserts a watermark in a bar code by a watermark key. Thus, a bar code(170) including a watermark is manufactured. The bar code(170) is inserted into a document, and a forgery or a falsification is prevented.
    • 目的:提供一种用于插入和感测水印的方法和装置,以防止通过在例如条形码或徽标的符号结构中插入水印来将文档或物品排掉或伪造。 构成:条形码创建单元(120)根据文档的信息创建条形码。 条形码读取器(140)读取条形码并将条形码转换成诸如一系列数字和字符的信息。 密钥转换单元(150a)将从条形码转换的信息转换为水印密钥。 水印插入单元(160)通过水印键将条形码中的水印插入。 因此,制造包括水​​印的条形码(170)。 条形码(170)被插入到文档中,并且防止了伪造或伪造。
    • 5. 发明授权
    • 문서 또는 물품의 위변조를 방지하기 위한 바코드를이용한 워터마크 삽입 및 검지 방법과 그 장치
    • 订购产品资料请选择您需要的产品产品目录产品目录产品目录产品目录产品目录
    • KR100467927B1
    • 2005-01-24
    • KR1020010023985
    • 2001-05-03
    • 주식회사 다고아이티주식회사 마크애니
    • 김종원최종욱이한호
    • G06K9/00
    • PURPOSE: A method and device for inserting and sensing a watermark are provided to prevent a document or an article from being drained away or forged by inserting a watermark in a symbol structure such as a bar code or a logo. CONSTITUTION: A bar code creating unit(120) creates a bar code in accordance with information of a document. A bar code reader(140) reads a bar code and converts the bar code into information such as a series of numerals and characters. A key conversion unit(150a) converts the information converted from the bar code into a watermark key. A watermark inserting unit(160) inserts a watermark in a bar code by a watermark key. Thus, a bar code(170) including a watermark is manufactured. The bar code(170) is inserted into a document, and a forgery or a falsification is prevented.
    • 目的:提供一种用于插入和感测水印的方法和装置,以通过在诸如条形码或标志的符号结构中插入水印来防止文档或文章被排空或伪造。 组成:条形码创建单元(120)根据文档的信息创建条形码。 条形码阅读器(140)读取条形码并将条形码转换成诸如一系列数字和字符的信息。 密钥转换单元(150a)将从条形码转换的信息转换成水印密钥。 水印插入单元(160)通过水印密钥将条形码插入条形码中。 因此,制造包括水​​印的条形码(170)。 条形码(170)插入文件中,防止伪造或篡改。
    • 8. 发明公开
    • 디지털 비디오 컨텐츠에 워터마크를 삽입하는 장치 및 방법
    • 用于生成和插入水印到数字视频内容的设备和方法以及使用程序记录的记录介质
    • KR1020020075060A
    • 2002-10-04
    • KR1020010015240
    • 2001-03-23
    • 주식회사 다고아이티주식회사 마크애니
    • 최종욱김종원이한호
    • H04N21/8358
    • G06T1/0028
    • PURPOSE: A device and a method for generating and inserting watermark to digital video contents and a recording medium recorded with programs are provided to insert the watermark to the video data photographed by a video camera, a VCR, a digital video camera, and the like in real time and apply the watermark to the motion picture realizing technology in the internet broadcasting or the digital broadcasting. CONSTITUTION: A device for generating and inserting watermark to digital video contents includes a watermark generating part(2) and a watermark inserting part(3), wherein the watermark generating part includes watermark generating/inserting strength control elements(21,22,23) for generating a watermark having identification information and controlling insertion strength, video image generating and frequency area converting elements for generating a video image to be the watermark and converting the video image to a data of a frequency area, and a space area converting element for coupling the watermark generated and insertion strength-controlled by the watermark generating and inserting strength control element with the video image generated and converted in the video image generating and frequency area converting elements, and the watermark inserting part inserts the watermark generated from the watermark generating part to the digital video contents.
    • 目的:提供一种用于生成并插入水印给数字视频内容的装置和方法以及用程序记录的记录介质,以将水印插入到由摄像机,VCR,数字摄像机等拍摄的视频数据中 实时地将水印应用于互联网广播或数字广播中的运动图像实现技术。 本发明提供一种水印生成部(2)和水印插入部(3)的生成装置,其特征在于:水印生成部包括水印生成/插入强度控制要素(21,22,23) 用于生成具有识别信息和控制插入强度的水印,视频图像生成和用于产生作为水印的视频图像并将视频图像转换为频率区域的数据的频域区域转换元件,以及用于耦合的空间区域转换元件 由水印生成和插入强度控制元素对水印产生和插入强度进行控制,并且在视频图像生成和频域转换元件中生成和转换视频图像,并且水印插入部分将从水印产生部分生成的水印插入到 数字视频内容。