EXPOSURE ADJUSTMENT DURING VIEW CHANGING
Granted: July 4, 2024
Application Number:
20240223908
A method may include identifying a target view of a video stream, obtaining a target exposure value for the target view, after obtaining the target exposure value, initiating a transition to the target view with the target exposure value from an initial view having an initial exposure value, and transitioning the video stream to the target view using the target exposure value.
Tracking with Multiple Cameras
Granted: September 28, 2023
Application Number:
20230306618
A method may include identifying primly camera speaker coordinates of a location of a speaker relative to a primary camera, converting the primary camera speaker coordinates to secondary camera speaker coordinates, the secondary camera speaker coordinates being of the location and relative to a secondary camera, and adjusting, using the secondary camera speaker coordinates of the secondary camera, a view setting of the secondary camera to track the location of the speaker.
SYSTEMS AND METHODS FOR DETECTION AND DISPLAY OF WHITEBOARD TEXT AND/OR AN ACTIVE SPEAKER
Granted: June 15, 2023
Application Number:
20230186654
Systems and methods are provided for identifying and displaying whiteboard text and/or an active speaker in a video-based presentation, e.g., a video conference. Video images of an environment including a whiteboard may be captured by a video camera system. The video images may be analyzed to detect at least one text-containing area in the environment. Each text-containing area may be analyzed to determine whether it is an area of a whiteboard. When a text-containing area is identified…
DEEP LEARNING BASED WHITE BALANCE CORRECTION OF VIDEO FRAMES
Granted: May 4, 2023
Application Number:
20230136314
A method may include calculating a color gain by applying an automatic white balance (AWB) algorithm to a video frame of a video feed, calculating an illumination color by applying a machine learning model to the video frame, transforming the illumination color into an equivalent color gain, determining that a difference between the color gain and the equivalent color gain exceeds a difference threshold, reversing an effect of the illumination color on the video frame based on the…
DEEP LEARNING BASED WHITE BALANCE CORRECTION OF VIDEO FRAMES
Granted: May 4, 2023
Application Number:
20230136314
A method may include calculating a color gain by applying an automatic white balance (AWB) algorithm to a video frame of a video feed, calculating an illumination color by applying a machine learning model to the video frame, transforming the illumination color into an equivalent color gain, determining that a difference between the color gain and the equivalent color gain exceeds a difference threshold, reversing an effect of the illumination color on the video frame based on the…
HIGHLY TEMPERATURE-RESISTANT GLASS FIBER AND PREPARATION METHOD THEREFOR
Granted: June 20, 2019
Application Number:
20190185372
A highly temperature-resistant glass fiber and a preparation method therefor. The glass fiber comprises 62-66 wt % of SiO2, 14-19 wt % of Al2O3, 15-20 wt % of CaO, 0-2 wt % of MgO, 0-3 wt % of Fe2O3, and 0-1.2 wt % of TiO2, the total content of Na2O and K2O is 0.1-0.8 wt %. By precisely controlling the mixture of the components, the glass fiber has good resistance to high temperature and formability, and significantly increases the high-temperature softening point. The glass fiber has a…
NEAR-INFRARED ABSORBING WHITE MATERIAL AND PREPARATION METHOD THEREOF
Granted: April 25, 2019
Application Number:
20190118294
A near-infrared-absorption white material, a method of manufacturing the same, and uses thereof. The near-infrared-absorption material includes copper pyrophosphate compound. The copper pyrophosphate compound has a brightness (CIE L*) value of 90 or more in a visible-ray region and is excellent in particle manufacturing properties, and a crystalline structure of the copper pyrophosphate compound is made chemically stable using a heat treatment at a high temperature. The copper…
MEASURING POWER CONSUMPTION OF CIRUIT COMPONENT OPERATING IN RUN MODE
Granted: January 29, 2015
Application Number:
20150028898
A sense resistor is coupled between a power source and one or more power pins of an integrated circuit (IC) chip including a circuit component (e.g., a microcontroller unit (MCU)). An on-chip amplifier (e.g., a programmable gain amplifier or op-amp) amplifies the voltage drop over the sense resistor to a level that is within the dynamic range of an on-chip analog-to-digital converter (ADC). In some implementations, the measured signals can be time-stamped and stored in a trace buffer and…
MEASURING POWER CONSUMPTION OF CIRUIT COMPONENT OPERATING IN ULTRA-LOW POWER MODE
Granted: January 29, 2015
Application Number:
20150028887
By powering an electronic component operating in an ultra-low power mode from a pre-charged measuring capacitor and measuring the time to discharge the capacitor to a trip voltage level, measurement data can be obtained. In some implementations, the capacitance of the capacitor can be obtained by adding a known current to the unknown current drawn from the capacitor and calculating the capacitance using a mathematical formula.
METHOD AND SYSTEM FOR SHARING CONTENT IN VIDEOCONFERENCING
Granted: November 27, 2014
Application Number:
20140347435
Content presented in association with a transmitting endpoint is obtained by the transmitting endpoint and transmitted to a receiving endpoint of a videoconference, along with associated information regarding interaction of a presenter with the content at the transmitting side. The receiving endpoint presents the presented content obtained from the transmitting endpoint similar to the presentation format at the transmitting side. Where the original presentation format is not suitable for…
Method and System for Switching Between Video Streams in a Continuous Presence Conference
Granted: November 13, 2014
Application Number:
20140333715
A media relay conferencing system includes a media relay multipoint control unit and a media relay endpoint that handle needs for Intra frames in an efficient way, improves the conferees experience, and reduces the load on the resources associated with that media relay videoconference by reducing the number of Intra frames and lowering the impact of Intra frames when they are needed. In some embodiments, when a requiring media relay endpoint requests an Intra frame for a video stream…
SPEECH FRAGMENT DETECTION FOR MANAGEMENT OF INTERACTION IN A REMOTE CONFERENCE
Granted: September 18, 2014
Application Number:
20140278399
A conferencing system and method involves conducting a conference between endpoints. The conference can be a videoconference in which audio data and video data are exchanged or can be an audio-only conference. Audio of the conference is obtained from one of the endpoints, and speech is detected in the obtained audio. The detected speech is analyzed to determine that the detected speech constitutes a speech fragment, and an indicia indicative of the determined speech fragment is…
LOUDSPEAKER ARRANGEMENT WITH ON-SCREEN VOICE POSITIONING FOR TELEPRESENCE SYSTEM
Granted: September 18, 2014
Application Number:
20140270302
A videoconferencing system has a plurality of displays arranged side-by-side. Top loudspeakers are arranged adjacent the tops of the displays, and bottom loudspeakers are arranged adjacent the bottoms of the displays. A control unit operatively coupled to the displays and the loudspeakers routes video to each of the displays and routes audio corresponding to each display to any of the top and bottom loudspeakers arranged adjacent the display. Thus, the top and bottom loudspeakers form a…
METHOD AND SYSTEM FOR PROVIDING A VIRTUAL CAFETERIA
Granted: September 18, 2014
Application Number:
20140267575
An incidental virtual meeting (IVM) system deployed in multiple rooms can be used to provide a “virtual cafeteria” allowing for incidental meetings and video conferences. Wall endpoints in each room may detect the presence of a person in a proximity to the IVM (wall) endpoint and establish a connection to the associated wall endpoint in the other room, to allow unplanned meetings to occur. A room may have multiple wall endpoints, allowing the room to be connected to more than one…
IMMERSIVE TELEPRESENCE ANYWHERE
Granted: September 18, 2014
Application Number:
20140267545
A conferencing peripheral for use with a mobile device or laptop or desktop computer can include one or more of projectors, cameras, microphones, and speakers. Such a device can work with the mobile device to provide a higher quality conferencing experience than has been provided to date by projecting a substantially full size, high resolution, image of conference participants onto a screen or wall and by providing microphones, speakers, and sufficient audio processing to provide high…
Home Videoconferencing System
Granted: September 11, 2014
Application Number:
20140253665
A home videoconferencing system interfaces with traditional set-top boxes and typical home A/V equipment. The system includes a camera, a microphone, and a codec module. The module can couple to a modem connected to a television network and can couple to a display and a set-top box. Alternatively, the module can connect to a network for exchanging videoconference data and can connect between the set-top box and the display. The set-top box can connect to the television network on its…
Methods and System for Simulated 3D Videoconferencing
Granted: September 4, 2014
Application Number:
20140247321
A system and method for manipulating images in a videoconferencing session provides users with a 3-D-like view of one or more presented sites, without the need for 3-D equipment. A plurality of cameras may record a room at a transmitting endpoint, and the receiving endpoint may select one of the received video streams based upon a point of view of a conferee at the receiving endpoint. The conferee at the receiving endpoint will thus experience a 3-D-like view of the presented site.
AUTOMATED CALENDARED CONFERENCE RESCHEDULING AND FORWARDING
Granted: August 14, 2014
Application Number:
20140229219
Systems and methods are disclosed to automatically rescheduling and optionally transferring audio/video conferences when a conference runs longer than its previously allocated time. The disclosed relocation process incorporates one or more of a plurality of input sources such as electronic calendars, face/voice recognition systems, proximity systems, enterprise maps, and/or resource databases to assist in schedule adjustments. For example, if it is determined a meeting is running long…
METHOD AND SYSTEM FOR HANDLING CONTENT IN VIDEOCONFERENCING
Granted: August 14, 2014
Application Number:
20140225982
A technique allows delivering content in a videoconference among a plurality of conferees in multiple quality levels. Content distributed from a multipoint control unit that is connected to an endpoint that delivers the content to receiving endpoints may have two or more quality levels. The quality level can be adapted to the capabilities of the receiving endpoints and the current quality of the connection that is used to deliver the content toward the receiving endpoints. The quality…
MULTIMEDIA COMMUNICATION CONTROL UNIT AS A SECURE DEVICE FOR MULTIMEDIA COMMUNICATION BETWEEN LAN USERS AND OTHER NETWORK USERS
Granted: June 26, 2014
Application Number:
20140181318
A system and method for providing multimedia communication between a firewall protected, LAN based endpoint and an endpoint that is external to the LAN. A logical port of a multimedia communications control unit is attached to the LAN behind the firewall. Another logical port of the multimedia communications control unit is attached to the external endpoint. Multimedia communication data, consisting of call management data and media data, can be exchanged between the endpoints via the…
