Abstract: A method for predicting behavior changes of a participant of a virtual three dimensional (3D) video conference, the method may include determining, for each part of multiple parts of the virtual 3D video conference, and by a first computerized unit, (a) a participant behavioral predictor to be applied by a second computerized unit during the part of the virtual 3D video conference, (b) one or more prediction inaccuracies related to the applying of the participant behavioral predictor during the part of the virtual 3D video conference, and (c) whether to generate and transmit to the second computerized unit prediction inaccuracy metadata that is indicative of at least one prediction inaccuracy that affects a representation of the participant within a virtual 3D video conference environment presented to another participant of the virtual 3D video conference during the part of the virtual 3D video conference; and generating and transmitting to the second computerized unit the prediction inaccuracy metadata, when

Abstract: A method for sharing content during a virtual 3D video conference, the method may include inviting multiple participants to join a virtual 3D video conference; creating a shared folder dedicated for storing shared content items, wherein the shared content is accessible during at least during the virtual 3D video conference; enabling access, to the multiple participants, to the shared folder; wherein the access is governed by one or more access control rule; and conducting the virtual 3D video conference; wherein the conducting comprises sharing at least one of the content items.

Abstract: A method for conducting a virtual three dimensional (3D) video conference between multiple participants, the method may include receiving by a user device of a first participant of the virtual 3D video conference, reference second participant 3D representation information for generating a second participant 3D representation under different constraints. The different constraints include at least one out of (a) a touch up constraint, (b) a makeup constraint, and (c) one or more circumstances constraint.

Abstract: A method for updating a current three dimensional (3D) model of a person, that method may include calculating current locations, within a two-dimensional (2D) space, of current face landmark points of a face of a person within a first image; the calculating is based on the current 3D model, and one or more current acquisition parameters of a 2D camera; wherein the current 3D model of the person is located within a 3D space; calculating second locations, within the 2D space, of second face landmark points of the face of the person within a second image that follows the first image; calculating correspondences between the current locations and the second locations; calculating, based on the correspondences, locations of the second face landmark points within the 3D space; and modifying the current 3D model based on the locations of the second face landmark points within the 3D space.

Abstract: A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include determining, for each participant and multiple times during the 3D video conference, updated 3D participant representation information within the virtual 3D video conference environment; and generating, for at least one participant and multiple times during the 3D video conference, an updated representation of a virtual 3D video conference environment, the updated representation of virtual 3D video conference environment represents the updated 3D participant representation information for at least some of the multiple participants; and wherein the 3D participant representation information comprises a 3D model and one or more texture maps.

Abstract: A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include receiving direction of gaze information regarding a direction of gaze of each participant within a representation of a virtual 3D video conference environment that is associated with the participant; determining, for each participant, updated 3D participant representation information within the virtual 3D video conference environment, that reflects the direction of gaze of the participant; and generating, for at least one participant, an updated representation of virtual 3D video conference environment, the updated representation of virtual 3D video conference environment represents the updated 3D participant representation information for at least some of the multiple participants.

Abstract: A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include receiving initial 3D participant representation information for generating the 3D representation of the participant under different circumstances; receiving, by a user device of a first participant and during the 3D video conference call, second participant circumstances metadata indicative of one or more current circumstances regarding a second participant; and updating, by the user device of the first participant, a 3D participant representation of the second participant, within a first representation of virtual 3D video conference environment.

Abstract: A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include determining, for each participant, updated 3D participant representation information within the virtual 3D video conference environment, that represents participants; wherein the determining comprises estimating 3D participant representation information of one or more hidden areas of a face of a participant that are hidden from the camera that captures at least one visible area of the face of the participant; and generating, for at least one participant, an updated representation of virtual 3D video conference environment, the updated representation of virtual 3D video conference environment represents the updated 3D participant representation information for at least some of the multiple participants.

Abstract: A method for conducting a three dimensional (3D) video conference between multiple participants, the method may include determining, for each participant, updated 3D participant representation information within the virtual 3D video conference environment, that represents participant; wherein the determining comprises compensating for difference between an actual optical axis of a camera that acquires images of the participant and a desired optical axis of a virtual camera; and generating, for at least one participant, an updated representation of virtual 3D video conference environment, the updated representation of virtual 3D video conference environment represents the updated 3D participant representation information for at least some of the multiple participants.

Abstract: A method for generating an image from a certain viewpoint of an object that is three dimensional, the method comprises: rendering an image of the object, based on a compact 3D model of the object and at least one two-dimensional (2D) texture map associated with the certain viewpoint.

Abstract: A method for generating a three dimensional (3D) visual representation of a sensed object that is three dimensional, the method comprises obtaining at least one 3D visual representation parameter, the visual representation parameters is selected out of a size parameter, a resolution parameter, and a resource consumption parameter; obtaining object information that represents the sensed object; selecting, based on the at least one parameter, a neural network for generating the visual representation of the sensed object; and generating the 3D visual representation of the 3D object by the selected neural network.

Abstract: A method for generating a texture map used during a video conference, the method may include obtaining multiple texture maps of multiple areas of at least a portion of a three-dimensional (3D) object; wherein the multiple texture maps comprise a first texture map of a first area and of a first resolution, and a second texture map of a second area and of a second resolution, wherein the first area differs from the first area and the first resolution differs from the second resolution; and generating a texture map of the at least portion of the 3D object, the generating is based on the multiple texture maps; and utilizing the visual representation of the at least portion of the 3D object based on the texture map of the at least portion of the 3D object during the video conference.

Abstract: A system for providing visual content to a user, the system includes: a memory unit for storing information representative of a large image; an input for receiving a request to view a first portion of the large image; an encoder for processing the large image in order to generate macro-blocks and for generating an MPEG compliant video stream representative of the first portion of the large image; wherein the generating includes processing the macro-blocks that form the first portion; and a transmitter for transmitting over a cable network to the user the MPEG compliant video stream.

Abstract: A method for providing video to a customer premises equipment, the method includes: receiving, by a radio frequency interface of a cable modem, radio frequency signals; receiving by a data tuner out of multiple tuners of the cable modem, radio frequency signals that convey data; detecting, by a monitor of the cable modem, a request to receive a certain video channel that is being broadcasted; wherein the request is sent to the cable modem from a customer premises equipment; tuning a certain tuner out of multiple tuners of the cable modem, in response to a mapping between radio frequencies and video channels, to receive the certain video channel; filtering out data layer encapsulation information that encapsulates certain video channel information; and transmitting certain video channel information to the customer premises equipment.

Abstract: A method includes receiving multiple visual media items from one or more media databases, and associating the visual media items with one or more story topics. In response to deciding that a given story topic is associated with sufficient suitable visual media items, computer-aided creation of a video clip relating to the given story topic is initiated using the associated visual media items.

Abstract: A method, system and computer readable medium for managing program switch requests, the method includes: (i) receiving a request from a first user device to switch from a current program to a next program; wherein the first user device filters the current program by using a first user device set of packet identifiers; (ii) associating the first user device set of packet identifiers with multiple streams of the next program; and (iii) transmitting to the user device the multiple streams of the next program; wherein these multiple streams are associated with the first user device set of packet identifiers.

Abstract: A method for multimedia content generation includes presenting to a user text that will serve as audio narration in a video clip, and a collection of media items to be selectively included in the video clip. Instructions, which associate one or more selected media items with corresponding elements of the text, are received from the user. The video clip is generated automatically, such that the selected media items appear in the video clip in synchronization with the corresponding elements of the text in accordance with the instructions.

Abstract: A method for providing programs, the method includes: (i) providing a program multiplex to multiple users device; (ii) considering a removal of at least one program from the multiplex in response to program viewing parameters; (iii) allowing at least one user to respond to a possible removal of the program; and (iv) determining whether to remove the al least one program in response to received user removal responses. A user device that includes a transceiver unit that is connected to a controller, wherein the device is adapted to receive a program multiplex, to receive an indication that at least one program is to be removed from the multiplex, and to selectively transmit a program removal response.

Abstract: A method includes receiving multiple visual media items from one or more media databases, and associating the visual media items with one or more story topics. In response to deciding that a given story topic is associated with sufficient suitable visual media items, computer-aided creation of a video clip relating to the given story topic is initiated using the associated visual media items.

Abstract: A method for multimedia content generation includes receiving a textual input, and automatically retrieving from one or more media databases a plurality of media items that are relevant to the textual input. User input, which selects one or more of the automatically-retrieved media items and correlates one or more of the selected media items in time with the textual input, is received. A video clip, which includes an audio narration of the textual input and the selected media items scheduled in accordance with the user input, is constructed automatically.