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8903089 Device for secure transmission recording and visualization of audiovisual programs  
Methods and systems are disclosed for distributing video sequences in a coded stream. The methods and systems include analyzing an original coded stream, generating at least one modified coded...
8724023 System and method for transporting an ancillary data packet in the active area of a video stream  
In accordance with the teachings of the present invention, a system and method for transporting an ancillary data packet in the active area of a video stream are provided. In particular...
8582642 Transmitting system and receiving system for processing stream, and stream processing methods thereof  
A system for transmitting a transport stream including a robust stream is provided. The transmitting system includes an adaptor for, when receiving a first stream, making a space in the first...
8565425 Recording medium, method for manufacturing the same and apparatus for reproducing the same  
There is disclosed a method for generating data for a recording medium. The method includes receiving original content data representing a plurality of still images and identifying a first subset...
8526613 Subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate  
Methods of providing a transport streams are disclosed. In one embodiment, among others, a method comprises receiving an input transport stream having a plurality of packet identifier (PID)...
8515065 Video input device and video display system  
An input processing circuit decodes a digital video signal selected by an input signal selector. Decryption circuits each decrypt the encryption of a video signal output from the input processing...
8396216 Partial dual-encryption using program map tables  
Systems and method for partial encryption are disclosed. One example method comprises: creating a program association table to include a first program number which identifies a program encrypted...
8374348 Device for secure transmission recording and visualisation of audiovisual programmes  
A method of distributing video sequences according to a nominal flow format including a succession of frames each including at least one I block corresponding to a complete digital I image and at...
8365307 Method and apparatus for storing copy protection information separately from protected content  
A copy protection apparatus and method enabling storage of copy protection information separately from protected content is disclosed. One embodiment includes a digital data signal receiver to...
8325918 Streaming system for distributing encrypted compressed image data, and streaming method therefor  
The present invention is directed to a streaming system for encrypting compression-encoded image data to distribute it via network of a predetermined transport protocol, and a streaming server...
8325919 Streaming system for distributing encrypted compressed image data, and streaming method therefor  
The present invention is directed to a streaming system for encrypting compression-encoded image data to distribute it via network of a predetermined transport protocol, and a streaming server...
8306393 Information recording apparatus, information copying system, method for copying information, program and computer readable recording medium  
A first information recorder comprises a limited number-of-times of copying information setting unit for setting information on the limited number-of-times of copying electronic data, a first...
8189664 Methods for encrypting and compressing video  
A method for compressing and transmitting a sequence of video frames represented by arrays of digital pixel values includes the following steps: transmitting a representation of a first frame (I1)...
8155315 Apparatus for and a method of downloading media content  
A data file reproduction system has a data file supplying apparatus that extracts video data and audio data from a received data file, compresses the extracted video and audio data and produces a...
8055901 Optical signature to enable image correction  
A method and system for performing document image correction using a document reader is disclosed. The method includes generating a document image representative of a document having a...
7995246 Detecting printed image copies using phase-space-encoded fragile watermark  
The present invention is concerned with detection of a “fragile watermark” in a printed image to aid in a determination whether a document under examination is an original or a copy. The watermark...
7929698 Selective encryption to enable trick play with enhanced security  
Certain embodiments consistent with the present invention involve a method of selectively encrypting digital video content that involves receiving a plurality of packets containing the digital...
7802101 System and method of retrieving a watermark within a signal  
A system and method of retrieving a watermark in a watermarked signal are disclosed. The watermarked signal comprises odd and even overlapped blocks where the watermark is contained in the even...
7792294 Selective encryption encoding  
In certain embodiments, a selective encryption encoder has a packet identifier that identifies packets of a specified packet type. The specified packet type includes packets carrying data...
7784103 Method and apparatus for storing copy protection information separately from protected content  
A copy protection system and method enabling storage of copy protection information separately from protected content is disclosed. One embodiment includes a mechanism for playing a recording...
7697686 Unit for managing audio/video data and access control method for said data  
Example embodiments are directed to a digital audio/video (AV) data processing unit and a method of controlling access to the digital AV data. The processing unit of AV digital data includes a...
7693278 Data distribution apparatus and data communications system  
An RTP packet generating unit 11 packetizes data into packets, and adds identification information to the header of each of the packets, the identification information identifying each of the...
7688978 Scene change detection  
In certain embodiments, a method of detecting a scene change in a digital video signal involves examining a slice of the digital video signal; determining if the slice contains a greater amount of...
7672373 Digital watermarking of a media stream using coded macroblock types  
A method and a carrier medium instructing a processor to execute a method. The method includes accepting a compressed video stream compressed by a compression method that uses macroblocks of...
7660416 System and method for media content collaboration throughout a media production process  
A delivery and display system 10 prepares and delivers daily film rushes and/or film “cuts” (i.e., rough edits) in full motion video to users via the Internet in a collaborative application and...
7590241 Receiver and receiving method  
When a channel which is not scrambled is selected, an error occurs in a digital stream processed in a CA processing module, which causes noises to occur in video and audio signals to be viewed. If...
7577252 Method for secure object detection in images  
A method processes an input image securely. An input image I is acquired in a client. A set of m random images, H1, . . . , Hm, and a coefficient vector, a=[a1, . . . , am], are generated such...
7529941 System and method of retrieving a watermark within a signal  
A system and method of retrieving a watermark in a watermarked signal are disclosed. The watermarked signal comprises odd and even overlapped blocks where the watermark is contained in the even...
7496198 Partial dual encrypted stream utilizing program map tables  
The present invention is suitable for use in a partial dual encrypted system. The present invention allows for two different decryption devices (e.g., an incumbent, or first, set-top and an...
7466822 Data coding  
Data coding apparatus in which input data having a range of possible data values and a smaller sub-range of legal data values is coded by applying a coder mapping which maps input data values in...
7463736 Data process apparatus and method therefor  
In an image process apparatus, a key different for each level of hierarchy is generated on the basis of a specific key with respect to image data having a hierarchical structure, the image data in...
7398395 Using multiple watermarks to protect content material  
Content material is protected with a variety of watermarking processes. Different subsets of the protected content material are submitted to different watermarking processes. At the rendering...
7337328 Secure video card methods and systems  
Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, data is provided into a first portion of memory on a...
7337329 Secure video card methods and systems  
Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, a system comprises a graphics processor unit (GPU) for...
7319755 Image altering apparatus and method for providing confidential viewing of a fundamental display image  
An image altering apparatus which provides confidential viewing of a video display by means of time multiplexing the fundamental display image with a color-inverted image thereof on a...
7305088 Video distribution playback method, apparatus to be disposed on video distribution end, apparatus to be disposed on video playback end, computer readable medium, and movie distribution method  
A motion-picture distributor (12) uses a computer system (22) to convert video signals from a master film (14) into serial video data (41) complying with DVD-Video standards. Further, the computer...
7302586 Secure video card methods and systems  
Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, unencrypted data is provided in a video card memory. The...
7302573 Computer system and method for controlling output of reproduced video data  
A computer system with a monitor display, comprises a decoder unit configured to decode video data containing digital watermark information to derive decoded data, and configured to determine,...
7299365 Secure video card methods and systems  
Methods and systems for protecting data that is intended for use and processed on video or graphics cards are described. In one embodiment, data that is stored in memory other than a video card...
7231528 Method of editing/restoring electronic information  
An electronic information file is divided into a plurality of information elements, which are combined in different orders to generate two or more information blocks and to generate a primary...
7225385 Optical recording method  
A scrambling method for generating recording data onto a disc includes vertically scrambling main data, which is stored in DRAM, to generate PO, wherein the scrambled data due to generate PO is...
7221761 Error resilient digital video scrambling  
A method and an apparatus for error resilient, digital image scrambling are disclosed. Error resilience scrambling is produced by shuffling transform coefficients between arrays of coefficients...
7212630 Method and apparatus for encryption using partial information  
A method and apparatus of encrypting optical images using binarization or phase only information is presented with a number of ways to secure the image also being provided. An image to be...
7176791 Security verification method and device  
A security verification method for verifying whether improper settings that indicate composite errors of security settings exist in an object system, which is an object of examination, includes...
7162745 Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client  
Theft of decompressed digital content as the content is being rendered is prevented. A requested slow-down of the rendering of the content is detected. Transfers of relatively large amounts of...
7146506 Digital video display system  
A system for receiving and processing digital video information such as a digital television broadcast, includes a modular platform which receives a plurality of hot pluggable cards. The platform...
7080410 Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client  
Theft of decompressed digital content as the content is being rendered is prevented. A requested slow-down of the rendering of the content is detected. Transfers of relatively large amounts of...
7065213 In a subscriber network receiving digital packets and transmitting digital packets below a predetermined maximum bit rate  
An apparatus in a digital network receives at least one input transport stream having a plurality of PID streams and outputs at least one transport streams. The apparatus demultiplexes the at...
7062047 Signal reproducing/recording/transmitting method and apparatus and signal recording medium  
A video signal reproduction system for receiving a video signal transmitted via a satellite communication link at a receiving device. A copy permission indicator is inserted in the received video...
7058697 Internet linking from image content  
Address information is steganographically encoded into audio or graphic data, and thereafter decoded to permit linking to the internet. The address information can be a literal URL, or may be an...

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