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    • 1. 发明公开
    • 디지털 음성 저장 장치에 저장된 데이터의 인증 및위/변조를 방지하기 위한 장치 및 방법
    • 用于证明存储在DVR中的数据的装置和方法以及防止其锻造/改造
    • KR1020040033609A
    • 2004-04-28
    • KR1020020062768
    • 2002-10-15
    • 주식회사 다고아이티주식회사 마크애니
    • 신동환윤진호최영호최종욱
    • G11B20/10
    • H04L9/0825G10L19/018H04L9/3236H04L2209/608
    • PURPOSE: A device and a method for certifying data stored in a DVR(Digital Voice Recorder) and preventing forgery/alteration of the same are provided to confirm the forgery/alteration when the data is stored in the DVR or transferred to a PC after storing the data in the DVR. CONSTITUTION: An audio signal is inputted from a microphone(201). The audio signal is converted into a digital signal, is stored in a digital voice storage(202), and is uploaded to the PC(205) through a data transmitter. A forgery/alteration preventing device(203) installed in the PC inserts a forgery/alteration preventing tool into the data. When a user discriminates the forgery/alteration of the stored data later, the forgery/alteration preventing device discriminates the forgery/alteration by using the inserted information. The audio data is stored in a data storage(204) such as the HDD in the PC.
    • 目的:提供一种用于认证DVR(数字录音机)中存储的数据并防止其伪造/更改的设备和方法,以便在数据存储在DVR中或在存储之后传输到PC时确认伪造/更改 DVR中的数据。 构成:从麦克风(201)输入音频信号。 音频信号被转换为数字信号,存储在数字语音存储器(202)中,并通过数据发送器上传到PC(205)。 安装在PC中的防伪设备(203)将防伪/防变形工具插入到数据中。 当用户稍后区分存储数据的伪造/变更时,防伪设备通过使用插入的信息来区分伪造/更改。 音频数据被存储在诸如PC中的HDD之类的数据存储器(204)中。
    • 2. 发明公开
    • 디지털 영상 인증을 위한 디지털 워터마크의 삽입 및추출방법
    • 数字视频认证插入和提取数字水印的方法
    • KR1020040012272A
    • 2004-02-11
    • KR1020020045775
    • 2002-08-02
    • 주식회사 마크애니주식회사 다고아이티
    • 최종욱최영호신동환채종진
    • H04N21/8358H04N5/913
    • PURPOSE: A method for inserting and extracting digital watermarks for digital video authentication is provided to realize digital watermarks robust against transfer of an image or cropping. CONSTITUTION: An inputted image is converted into a predetermined format(S10). A template formed of pseudo noise sequence is inserted into the converted image(S20). The inputted image is divided by detection blocks, and the detection blocks are divided into a feature value block representing features of the inputted image, and a watermarking block to which watermarks are inserted(S30). The feature values representing the features of the inputted image are extracted from the detection blocks representing the feature value block(S40). The feature values are inserted into the watermarking block as watermarks(S50).
    • 目的:提供一种用于插入和提取用于数字视频认证的数字水印的方法,以实现对图像或裁剪传输的鲁棒性强的数字水印。 构成:将输入的图像转换为预定格式(S10)。 将由伪噪声序列形成的模板插入转换后的图像(S20)。 输入的图像由检测块分割,检测块被分成表示输入图像的特征的特征量块和插入水印的水印块(S30)。 从表示特征值块的检测块中提取表示输入图像的特征的特征值(S40)。 将特征值作为水印插入到水印块中(S50)。
    • 3. 发明授权
    • 컴퓨터 전화 통합 시스템에서 통화 데이터의 위/변조를방지하기 위한 장치 및 방법
    • 컴퓨터전화통합시스템에서통화데이터의위/변조를방지하기위한장치및방컴퓨
    • KR100461860B1
    • 2004-12-17
    • KR1020020057596
    • 2002-09-23
    • 주식회사 다고아이티주식회사 마크애니
    • 신동환윤진호최영호최종욱
    • H04L9/00
    • PURPOSE: An apparatus and a method for preventing forgery and alteration of communication data in a CTI(Computer Telephony Integration) system are provided to prevent the forgery and the alteration by identifying states of telephonic communication data in a process for storing the telephonic communication data. CONSTITUTION: An apparatus for preventing forgery and alteration of communication data in a CTI system includes a plurality of indoor telephones, a DTI server, a storage unit, and an anti-forgery/alteration unit. The CTI server is connected to the telephones by using a plurality of telephone lines in order to control connecting operations between the indoor telephones and outdoor telephones. The storage unit stores telephonic communication data. The anti-forgery/alteration unit prevents the forgery and the alteration of the stored telephonic communication data. The anti-forgery/alteration unit is installed between the predetermined telephone line and the indoor telephones in order to insert the anti-forgery/alteration information into the telephonic communication data.
    • 目的:提供一种用于防止CTI(计算机电话集成)系统中的通信数据的伪造和变更的装置和方法,以通过在用于存储电话通信数据的过程中识别电话通信数据的状态来防止伪造和变更。 用于防止CTI系统中的通信数据的伪造和变更的装置包括多个室内电话,DTI服务器,存储单元和防伪/变更单元。 CTI服务器通过使用多条电话线连接到电话,以控制室内电话和室外电话之间的连接操作。 存储单元存储电话通信数据。 防伪/改造单元防止伪造和改变存储的电话通信数据。 防伪/变更单元安装在预定电话线和室内电话之间,以便将防伪/变更信息插入到电话通信数据中。
    • 4. 发明公开
    • 컴퓨터 전화 통합 시스템에서 통화 데이터의 위/변조를방지하기 위한 장치 및 방법
    • 在CTI系统中防止通信数据的伪装和更改的装置和方法
    • KR1020040026220A
    • 2004-03-30
    • KR1020020057596
    • 2002-09-23
    • 주식회사 다고아이티주식회사 마크애니
    • 신동환윤진호최영호최종욱
    • H04L9/00
    • H04L63/0428H04L2209/608H04M3/42323
    • PURPOSE: An apparatus and a method for preventing forgery and alteration of communication data in a CTI(Computer Telephony Integration) system are provided to prevent the forgery and the alteration by identifying states of telephonic communication data in a process for storing the telephonic communication data. CONSTITUTION: An apparatus for preventing forgery and alteration of communication data in a CTI system includes a plurality of indoor telephones, a DTI server, a storage unit, and an anti-forgery/alteration unit. The CTI server is connected to the telephones by using a plurality of telephone lines in order to control connecting operations between the indoor telephones and outdoor telephones. The storage unit stores telephonic communication data. The anti-forgery/alteration unit prevents the forgery and the alteration of the stored telephonic communication data. The anti-forgery/alteration unit is installed between the predetermined telephone line and the indoor telephones in order to insert the anti-forgery/alteration information into the telephonic communication data.
    • 目的:提供一种用于防止CTI(计算机电话集成)系统中的通信数据的伪造和改变的装置和方法,以通过在用于存储电话通信数据的过程中识别电话通信数据的状态来防止伪造和改变。 构成:用于防止CTI系统中的通信数据的伪造和改变的装置包括多个室内电话,DTI服务器,存储单元和防伪/更改单元。 CTI服务器通过使用多条电话线连接到电话机,以便控制室内电话和室外电话之间的连接操作。 存储单元存储电话通信数据。 防伪/改装单元防止存储的电话通信数据的伪造和更改。 防伪装置安装在预定的电话线和室内电话之间,以将防伪/改变信息插入到电话通信数据中。
    • 6. 发明公开
    • 워터마크를 제어신호로 사용하는 방송용 송수신 시스템 및그 방법
    • 作为控制信号的水标签的广播发射/接收系统及其方法
    • KR1020040056772A
    • 2004-07-01
    • KR1020020083337
    • 2002-12-24
    • 주식회사 다고아이티주식회사 마크애니
    • 신동환최동환안종근채종진최영호최종욱
    • H04H60/23H04H60/09
    • PURPOSE: A broadcast transmit/receive system using a water mark as a control signal and a method thereof are provided to generate a signal informing about a control signal and detect the control signal accurately and quickly when multiple systems need to be controlled. CONSTITUTION: A transmission system(100) inserts a water mark, a control signal, into an audio signal by using a water marking technique, and transfers the inserted information to a plurality of receiving systems(5001-500N) through a wired or wireless transmission channel(200). The receiving systems(5001-500N) detect the water mark, namely, the control signal, from the audio signal and generate a desired control command language by using the control signal. The transmission system(100) and the receiving systems(5001-500N) are connected through the wired or wireless transmission channel(200).
    • 目的:提供一种使用水印作为控制信号的广播发射/接收系统及其方法,以产生一个信号通知控制信号,并在需要控制多个系统时准确,快速地检测控制信号。 构成:传输系统(100)通过使用水印技术将水印,控制信号插入到音频信号中,并且通过有线或无线传输将插入的信息传送到多个接收系统(5001-500N) 信道(200)。 接收系统(5001-500N)通过音频信号检测水印,即控制信号,并通过使用控制信号产生所需的控制命令语言。 传输系统(100)和接收系统(5001-500N)通过有线或无线传输信道(200)连接。
    • 7. 发明公开
    • 디지털 영상의 위변조 방지를 위한 네트워크 카메라 장치,네트워크 카메라 서버 및 디지털 비디오 저장장치, 및이들 장치로부터 출력된 디지털 영상을 인증하는 장치와그 방법
    • 用于防止数字图像伪造的网络摄像机,网络摄像机服务器和数字视频存储,用于认证数字图像输出的系统和方法
    • KR1020020018988A
    • 2002-03-09
    • KR1020010062934
    • 2001-10-12
    • 주식회사 마크애니주식회사 다고아이티
    • 최종욱최영호신동환서지선
    • H04N5/225
    • PURPOSE: A network camera system for preventing forgery of a digital image, a network camera server and a digital video storage, a system and a method for authenticating digital images output from the systems are provided to prevent illegal operations of images that are photographed for monitoring. CONSTITUTION: A network camera system includes a video input part(20) for receiving a video signal photographed in real time, a video data processor(30) for converting the video signal into a digital signal, and an information generator(90,92) for generating information to be inserted as a watermark. The system further has a watermark generator(94) for generating a watermark using the information, and a watermark insertion part(40) for inserting the watermark into the video signal output from the video data processor. The system also has a video compressor(50) for compressing the video signal into which the watermark was inserted, and a network connector(70) for transmitting the compressed video signal to a network.
    • 目的:提供用于防止数字图像伪造的网络摄像机系统,网络摄像机服务器和数字视频存储器,用于认证从系统输出的数字图像的系统和方法,以防止被拍摄以监视的图像的非法操作 。 构成:网络摄像机系统包括用于接收实时拍摄的视频信号的视频输入部分(20),用于将视频信号转换成数字信号的视频数据处理器(30)和信息发生器(90,92) 用于产生要作为水印插入的信息。 该系统还具有用于使用该信息生成水印的水印发生器(94),以及用于将水印插入从视频数据处理器输出的视频信号中的水印插入部分(40)。 该系统还具有用于压缩插入水印的视频信号的视频压缩器(50),以及用于将压缩视频信号发送到网络的网络连接器(70)。
    • 10. 发明授权
    • 디지털 영상의 위변조 방지를 위한 네트워크 카메라 장치,네트워크 카메라 서버 및 디지털 비디오 저장장치, 및이들 장치로부터 출력된 디지털 영상을 인증하는 장치와그 방법
    • 디지털영상의위변조방지를위한네트워크카메라장치,네트워크카메라서버및디지털비디오저장장치,및이들장치로소출력디지털을인증하는장치와그방
    • KR100425868B1
    • 2004-04-03
    • KR1020010062934
    • 2001-10-12
    • 주식회사 마크애니주식회사 다고아이티
    • 최종욱최영호신동환서지선
    • H04N5/225
    • PURPOSE: A network camera system for preventing forgery of a digital image, a network camera server and a digital video storage, a system and a method for authenticating digital images output from the systems are provided to prevent illegal operations of images that are photographed for monitoring. CONSTITUTION: A network camera system includes a video input part(20) for receiving a video signal photographed in real time, a video data processor(30) for converting the video signal into a digital signal, and an information generator(90,92) for generating information to be inserted as a watermark. The system further has a watermark generator(94) for generating a watermark using the information, and a watermark insertion part(40) for inserting the watermark into the video signal output from the video data processor. The system also has a video compressor(50) for compressing the video signal into which the watermark was inserted, and a network connector(70) for transmitting the compressed video signal to a network.
    • 目的:提供一种用于防止伪造数字图像的网络照相机系统,网络照相机服务器和数字视频存储器,以及用于认证从系统输出的数字图像的系统和方法,以防止拍摄用于监视的图像的非法操作 。 本发明提供了一种网络摄像机系统,包括:视频输入部分(20),用于接收实时拍摄的视频信号;视频数据处理器(30),用于将视频信号转换为数字信号;以及信息生成器(90,92) 用于生成要作为水印插入的信息。 该系统还具有用于使用该信息生成水印的水印生成器(94)和用于将水印插入从视频数据处理器输出的视频信号中的水印插入部分(40)。 该系统还具有用于压缩插入了水印的视频信号的视频压缩器(50)和用于将压缩的视频信号传输到网络的网络连接器(70)。