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7623661 |
Motion picture encoding and counterfeit tracking system and method
Information is incorporated into motion picture film prints in the form of images or patterns that appear as unobtrusive defects or artifacts. The unique codes are used in association with the...
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7623657 |
Methods and apparatus for secure and adaptive delivery of multimedia content
Techniques for securely and adaptively delivering multimedia content. It is assumed that a set of alternate access units for each time slot is obtained. Then, the encryption stream index of each...
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7609835 |
Digital media cartridge system and method
A digital media cartridge contains both a controller and memory where the memory stores a digital representation of video and sound in compressed, encrypted form. The controller reads the digital...
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7596221 |
Detection of a watermark in a digital signal
Watermark detectors have a buffer in which a number of image tiles are folded and accumulated prior to computing the correlation between buffer contents and the watermark pattern being looked for....
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7593529 |
Scramble methods and apparatus for packetized digital video signal in conditional access system
A conditional access scrambling or encryption technique for a packetized digital data stream, e.g., a MPEG-2 bitstream, (1) by scrambling or encrypting the data payload of selective transport...
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7583848 |
Scrambling of image portions via color component interchange
An image processing apparatus that is capable of presenting a general overview of the contents of an original image from its corresponding scrambled image is disclosed. The image processing...
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7564974 |
Frame-accurate editing methods and systems
Methods and systems enable content authors to achieve frame-accurate editing and, in at least some embodiments, reduce the amount of content that needs to be decompressed in order to operate on the...
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7555123 |
Processing an MPEG elementary stream in a conditional access overlay environment
Processing an MPEG elementary stream contained in multiple PID streams in a conditional access overlay environment. A multi-program transport stream contains numerous video and audio elementary...
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7549058 |
Method and apparatus for encrypting and decrypting digital data
A method and apparatus for encrypting and decrypting digital data employing multiple Huffman tables and at least one encryption key to enhance security of the digital data. At least one image...
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7546397 |
Systems and methods for allowing multiple devices to share the same serial lines
Methods and systems for allowing multiple devices to share the same serial lines (e.g., SDIO, SEN and SCLK) are provided. Such devices can be located, e.g., on an optical pick-up unit. Each device...
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7530084 |
Method and apparatus for synchronizing dynamic graphics
An apparatus and a method for overlaying parts of a displayed presentation of a video by using graphic content rendered by a receiving device such as a set top box or television to complete a...
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7519819 |
Layered security in digital watermarking
A media object authentication system uses layers of security features based on digital watermarks embedded in media objects. The system generates a first digital watermark with a message payload...
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7519811 |
Data transmission controlling method and data transmission system
Disclosed herein is a data transmission system permitting secure and more reliable transmission of data from a data transmitter to a data receiver or receivers. The system comprises: a data...
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7515711 |
Methods and apparatuses for encrypting video and for decrypting video
An encryption technique and a decryption technique that are applied to video data that is encrypted on a predetermined domain of compressed video data are disclosed. For example, JPEG2000...
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7512811 |
Encryption/decryption method for data limited in value range, apparatus and program therefor
On an encrypted object code obtained by encrypting an object code, there is discriminated whether an inhibited code defined in data format is present in a code concerning such encrypted object...
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7505590 |
Method and system for providing transcodability to frame coded streaming media
Disclosed are methods and systems for providing transcodability to media in a network, comprising separating an amount of media data into a segment, and combining the segment and a transcoder...
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7502471 |
System and method for protecting data streams in hardware components
A scrambling architecture protects data streams in the operating system and hardware components of a computer by scrambling the otherwise raw data prior to the data being handled by the operating...
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7502470 |
Method and apparatus for content protection within an open architecture system
In a class of embodiments, the invention is an open computing system (e.g., a PC) in which a protected, closed subsystem is embedded. The closed subsystem typically includes multiple parts that...
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7499546 |
Insertion of supplementary information in digital data
The invention concerns a method of inserting a suppementary information item in a set of data reprenting physical quantities, the data having been processed by the steps of, a) partitioning (E 2 )...
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7480382 |
Image file container
An image container file has at least first and second multimedia streams (MSs). The first MS includes first image data representing an image. The second MS includes arbitrary data, which can for...
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7478238 |
Access control for digital video stream data
A data encryption apparatus operable to apply encryption to input data having at least a format identifying portion and a payload portion comprises means for discriminating between the format...
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7477741 |
Analysis resistant cipher method and apparatus
A system for encoding and decoding data words including an anti-analysis encoder unit for receiving an original plaintext and producing a recoded data, a data compression unit for receiving the...
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7474750 |
Dynamic content-aware memory compression and encryption architecture
An architecture for content-aware compression and/or encryption of various segments of a application is disclosed. The architecture advantageously allows decompression and decryption units to be...
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7467297 |
Apparatus of a flexible and common IPMP system for MPEG-2 content distribution and protection
An apparatus of a flexible and common MPEG-2 IPMP system (Intellectual Property Management and Protection) is invented to provide flexibility and interoperability by introducing a IPMP Control...
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7464262 |
Method and apparatus for synchronizing audio and video in encrypted videoconferences
The invention provides a system that preserves the synchronization of the audio and video presented at a secure conferencing site without necessitating decryption, decompression, compression, and...
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7457419 |
Information processing method and apparatus for encrypting encoded data
The present invention makes it possible to encrypt a portion of a tile image to be subject to wavelet transformation at or above a desired resolution level without the need to manage multiple...
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7457415 |
Secure information distribution system utilizing information segment scrambling
A method and apparatus for securing and, optionally, distributing an information stream by divided the information stream into a collection of segments and compressing the segments, rearranging the...
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7454018 |
Transfer of DVD decode key on a window by window basis to an attached device
Disclosed is apparatus for processing an encrypted data stream within a computer system adapted to receive the encrypted data stream from a data storage device. A data output device is coupled to a...
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7436960 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Methods of use of ipmp data for mpeg-n ipmp (intellectual property management and protection)
MPEG-n IPMP system with a wide interoperability is provided. For this purpose, the IPMP_Data_BaseClass is defined, several IPMP data extending from this base class are also defined. IPMP data is...
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7428639 |
Encrypted and watermarked temporal and resolution layering in advanced television
A method and apparatus for image compression using temporal and resolution layering of compressed image frames, and which provides encryption and watermarking capabilities. In particular, layered...
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7389420 |
Content authentication and recovery using digital watermarks
The disclosure describes methods for using digital watermarking to authenticate digital media signals, such as images, audio and video signals. It also describes techniques for using embedded...
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7386129 |
System and method for multimedia content simulcast
A computer-implemented method is described for processing multimedia channels comprising: encrypting a first group of multimedia channels using a first type of encryption to produce a first group...
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7382878 |
System and method for data encryption
A system and method for encrypting and/or compressing an input data string is disclosed. The input data string is divided into a plurality of blocks of data that each contains a plurality of bits...
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7376233 |
Video slice and active region based multiple partial encryption
A selective encryption encoder and method of dual selective encryption. The selective encryption encoder has a packet identifier that identifies packets of at least one specified packet type, the...
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7349539 |
Encoding and encrypting devices for secure scalable data streaming
A device and method thereof for encoding and encrypting data. The device includes a segmenter adapted to receive the data and segment at least a portion of the data into regions, a scalable encoder...
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7349023 |
Camera-integrated video recording and reproducing apparatus, and record control method thereof
A video recording/reproducing apparatus combined with a camera adapted to control a target information amount according to the nature and properties of an animated image to be photographed, and a...
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7336788 |
Electronic book secure communication with home subsystem
The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the...
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7336787 |
Critical packet partial encryption
An encryption arrangement for multiple encryption of television programs. A system according to embodiments of the present invention multiple encrypts only a portion of the data required for full...
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7319754 |
Insertion of binary messages in video pictures
A method and a circuit for marking with a binary code a video sequence compressed by motion calculation, from one picture to another, of macroblocks dividing each picture, the digital pictures...
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7313236 |
Methods and apparatus for secure and adaptive delivery of multimedia content
Techniques for securely and adaptively delivering multimedia content. It is assumed that a set of alternate access units for each time slot is obtained. Then, the encryption stream index of each...
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7296162 |
Time validation system
A system for time validation comprises a terminal ( 1 ) with means ( 7,7 ′) for tuning in to a number of different carrier frequencies (a-e), an authorisation device ( 6 ), e.g. a smart card,...
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7295673 |
Method and system for securing compressed digital video
A method for producing and for subsequently decrypting a protected stream of compressed video content is described herein. The method includes receiving an input stream of compressed video content...
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7286670 |
Method and apparatus for chaotic opportunistic lossless compression of data
The present invention is a compression method for compressing digital data. The data is strings of digital values, which can be broken down to a series of 1's and 0's. The present inventive method...
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7272718 |
Device, method and storage medium for superimposing first and second watermarking information on an audio signal based on psychological auditory sense analysis
In a signal processing device and its method as well as a program storing medium, psychological auditory sense analysis of the survival state of an input signal of the time when the input signal...
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7266683 |
Selective encryption of application session packets
Apparatus and methods are provided for multiplexing and selectively encrypting application flows, such as VoIP services, over a pre-allocated bandwidth reservation protocol session. According to...
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7260220 |
Adaptive watermarking
A method and apparatus ( 200 ) for embedding a watermark in an information signal bit-stream are described. The method comprises receiving a portion of an information signal bit-stream (MPEG2). A...
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7254234 |
Method and apparatus for encrypting and decrypting information
An encryption key is generated in response to a plurality of information pieces being bases for the encryption key. Original information is encrypted into encryption-resultant information in...
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7245720 |
Method for controlling the use of a program signal in a broadcast system, and control device for a receiver for carrying out such a method
In a method for controlling the use of a program signal in a broadcast system, comprising one or more broadcasters and a number of receivers, at least a part of the receivers can be provided with a...
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7231043 |
Data processing apparatus and method, and computer-readable storage medium on which program for executing data processing is stored
Input material data is encoded to form contents data. Intellectual property information on intellectual property rights in technological aspects necessary for forming the contents data is formed....
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7227953 |
MPEG data recorder having IEEE 1394 interface
A copy-protected-state indicating MPEG-TS data output unit ( 3 ) holds a bit stream obtained by previously compressing and encoding image and/or audio data representing that recording desired by...
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