Adjusting audio and video synchronization of 3G TDM streams
Granted: December 10, 2013
Patent Number:
8606953
Systems and methods of adjusting synchronization of audio media streams and video media streams in 3G mobile communications systems that can mitigate the effects of temporal skew due to intervening processing elements associated with media channels carrying the respective media streams. The systems and methods are operative to adjust the synchronization of audio media streams and video media streams by receiving control messages that report delays due to such intervening processing…
Bitrate control algorithm for video transcoding systems
Granted: November 19, 2013
Patent Number:
8588296
A video transcoding system and method employing an improved rate control algorithm. A plurality of frames in an input video bitstream are received by the system, in which each frame is in a first coding format. Each frame in the input bitstream is decoded, and complexity information indicating the complexity of the frame after decoding is obtained. An estimated number of bits to allocate for the respective frame is calculated. Using a rate estimation model that employs the complexity…
Automated system and method for delivery of messages and processing of message responses
Granted: October 22, 2013
Patent Number:
8566410
An automated system for delivery of messages to multiple recipients, and for processing of responses to the messages, includes a message client, message server, and a system database. A message is created using a universal message form. The message content can be translated into multiple formats and sent to one or more different recipients using one or more different types of messaging devices, including pagers, e-mail readers, telephones, cellular telephones, personal computers, fax…
Processing of packets including processing instructions and forwarded in communication networks
Granted: September 17, 2013
Patent Number:
8537694
Method and device are provided for processing a packet conveyed in a packet switched communication network. By the invention, a processing indication is associated with the packet, where the indication is adapted to provide instruction(s) for the processing of the packet, and the indication is determined in accordance with the payload carried by that packet.
Facsimile transmission authentication
Granted: September 10, 2013
Patent Number:
8533477
A facsimile system and method provides authentication of transmitted image information, which authentication may be in the form of a signature page. An authentication device computes authentication information at a sending device, a receiving device, both, or at a remote location during transmission. The signature page may also be transmitted with the document. The sending and receiving devices may each generate signature pages or acknowledgement of receipt in response to receiving a…
Method and apparatus for reduced reference video quality measurement
Granted: August 27, 2013
Patent Number:
8520075
Systems and methods of objective video quality measurement that employ a reduced-reference approach to video quality measurement. Such systems and methods of objective video quality measurement can extract information pertaining to one or more features of a target video whose perceptual quality is to be measured, extract information pertaining to one or more features of a reference video, and employ one or more prediction functions involving the target features and the reference features…
Selective data compression
Granted: June 11, 2013
Patent Number:
8462027
A method and apparatus are described for determining whether to convey a communication signal in a compressed form along a communication path. The method comprises the steps of: (i) providing the communication signal that should be conveyed along said communication path; (ii) determining whether at least part of the communication signal comprises data having a non-random distribution; (iii) if the at least part of the communication signal is determined to comprise data having at least…
Compensation for facsimile transmission in a packet switched network
Granted: May 7, 2013
Patent Number:
8437026
Communication network components can be synchronized for facsimile transmissions in the communication network. The synchronization may compensate for variations in transmission rates among the different network components or different paths taken by portions of the facsimile transmission. The synchronization may involve modulating an adaptive jitter buffer or an effective packet rate to compensate for clock skew that may occur between network components. The compensation to obtain…
Re-entrant call router
Granted: April 30, 2013
Patent Number:
8432902
A call routing device in a communication network is re-entrant to permit a set of call routing rules to be applied more than once. A routing table in the routing device has entries to indicate that an incoming call should be rerouted to the routing device to permit additional call routing rule(s) to be applied to the incoming call. A routing table is provided with entries to indicate when an incoming call should be rerouted to the routing device and how call attributes should be…
Smooth morphing between personal video calling avatars
Granted: April 16, 2013
Patent Number:
8421805
Dynamic animated avatars selectively morph to reveal or depict the user's identity while simultaneously emulating or tracking active movements associated with the user's verbal stream or perceived movements of the user. A user elects morphing to transition the rendered avatar to another, more revealing avatar, for example from a cartoon caricature to a posed photographic image. Animation processing identifies active movements derived from an input stream to compute animations of the…
Universal blurriness measurement approach for digital imagery
Granted: April 2, 2013
Patent Number:
8411982
Systems and methods of performing quantitative measurements of image blur in digital images and digital image sequences that are computationally efficient, and that employ no reference information in the measurement process. Each of the image blur measurements is performed using a Markov Chain, where a gradient image array is calculated for a pixel array derived from a given digital image, and a transition probability matrix is constructed for the transition probabilities between…
Mobile document imaging and transmission
Granted: February 12, 2013
Patent Number:
8373882
A wireless communication device can send and receive realtime facsimile transmissions over a data channel available to the device. The device can implement a real time facsimile protocol over the data channel, which can generally be a packet switched network connection, such as an IP connection. An image capture device can be employed to obtain an image of a document that can be facsimile transmitted from the wireless device over the data channel. The document image may be converted to a…
Intelligent PCI-express transaction tagging
Granted: February 12, 2013
Patent Number:
8375156
Systems and methods of routing data units such as data packets or data frames that provide improved system performance and more efficient use of system resources. The disclosed systems and methods employ memory mapping approaches in conjunction with transaction ID tag fields from the respective data units to assign each tag value, or at least one range of tag values, to a specified address, or at least one range of specified addresses, for locations in internal memory that store…
Multiple watermarks for fidelity assessment
Granted: January 1, 2013
Patent Number:
8345569
A system and method of perceptual quality assessment for multimedia content in a communications network employing digital watermarking. A content preparer prepares content for quality assessment by embedding digital watermarks into the multimedia data, each watermark having a different level of robustness with respect to a specified type of potential degradation introduced during content transmission. A quality assessor provides an assessment of the quality of the transmitted content by…
Blind blocking artifact measurement approaches for digital imagery
Granted: December 18, 2012
Patent Number:
8335401
Systems and methods of performing quantitative measurements of blocking artifacts in digital images and digital image sequences that are computationally efficient, and that employ no reference information in the measurement process. At least one normalized gradient image array is calculated, with reference to at least one specified gradient direction, from image pixel data contained in an image pixel array derived from a given digital image. The calculated results are accumulated into at…
System and method for providing user input information to multiple independent concurrent applications
Granted: October 9, 2012
Patent Number:
8286190
In a system for providing user input information to multiple independent, concurrent applications, the applications send subscription messages to a device receiving user input such as a telephone receiving key presses from a keypad. Each subscription message identifies a pattern of user input that the application is to be notified of. The device monitors the user input to identify the occurrence of the identified patterns. When a specified pattern of user input is detected, the device…
Dynamic video messaging
Granted: September 4, 2012
Patent Number:
8260263
A video messaging service is compatible with multiple transport technologies (such as 2G and 3G networks), and operable to render an integrated video message having voice and corresponding video in a matter consistent with the capabilities of the recipient device. The video messaging service receives a voice (audio) and identifies a video component, computes a video format compatible with an intended recipient device, and generates an integrated video message renderable on the recipient…
Apparatus and method for allocating media resources
Granted: August 21, 2012
Patent Number:
8249066
A Media Resource Routing module for a VoIP network having a Host Media Processing and a Media Resource Board. The Media Resource Routing module includes a status list module indicating available resources of the Host Media Processing and available channels on the Media Resource Board and switches for routing communications based on data in the status list so that resources are used efficiently.
Systems and methods of providing video features in a standard telephone system
Granted: July 17, 2012
Patent Number:
8223189
Systems and methods of providing video support for standard (i.e., non-video-capable) communications systems that require little or no modifications to any existing standard communications systems. The systems and methods can be implemented between at least one video channel and a standard communications system to establish call connections between a user of a video-capable communications device and a user of a standard (i.e., non-video-capable) communications device, to access video…
System and method for authentication of transformed documents
Granted: July 10, 2012
Patent Number:
8219817
A document verification system and method verifies that a content of two documents match based on comparison of an authentication signature generated from each of the documents. The documents may be electronic text documents and may be transformed representations of each other through imaging, printing or image processing. Authentication signatures can be encrypted to enhance security and identify document sources. An authentication signature can be generated for an entirety or portions…
