Abstract: A method for auto-exposure control in a multi-imager system is disclosed. The method comprises using an auto exposure control circuit of a first imager to set exposure control parameters based on a target brightness; and selectively adjusting the target brightness based on difference in brightness between the images from the first imager and images from other imagers in the system.

Abstract: A computer-implemented method for performing stitching of images to form a panoramic video stream is disclosed. The method comprises capturing images with a camera; and selectively switching between first and second modes of operation wherein corresponding to said first mode at least some of the captured images are sent to circuitry of the camera for performance of a stitching operation to stitch together the images to form a panoramic video stream and wherein corresponding to the second mode at least some of the captured images are transmitted over a network to an image optimization server provisioned in a cloud for performance of said stitching operation.

Abstract: A video processing device which can be implemented as a peripheral device is disclosed. The video processing device is configured to receive one or more videos and audio through a plurality interfaces. Further, the device receives one or more user input corresponding to one or more customization requests of the received video and the audio. The video processing device processes the video and the audio based on the received user input and outputs the processed video and audio via an output interface.

Abstract: A three-dimensional imaging system for generating a 3D panoramic video/image is disclosed. The three-dimensional imaging system includes a plurality of stereoscopic pairs of compound cameras which are separated by a predefined distance d. The imaging system is configured to operate in a first mode to generate panoramic images simultaneously using the compound cameras. Spatial distortion and temporal distortion are calculated for each column in a region of overlap of the field of view of the panoramic images generated. The column for which the spatial and temporal distortion is minimum is marked as a seam location. The marked seam location is changed based on location of a motion in the column for which the calculated spatial and temporal distortion is minimum.

Abstract: A computer-implemented method for a multiple imager imaging system is disclosed. The method comprises capturing regular images; capturing depth sensor images; and performing a depth-based alignment operation to adjust factory alignment parameters based on depth sensor information.

Abstract: A chassis for use in a panoramic camera is disclosed. The chassis comprises a base, a heat sink which comprises a metal boss formed on a first portion of the base to dissipate heat generated by a main processor of the panoramic camera; and an isothermal mounting structure formed on a second portion of the base including a plurality of slots and apertures, wherein a plurality of imaging sensors are mounted on the isothermal mounting structure using the plurality of slots and apertures.

Abstract: A video system is provided. The video system, comprising: a plurality of imaging sensors each including an image signal processor; an image stitching engine analyzes un-stitched images generated by each of the plurality of imaging sensors. The un-stitched images are analyzed for a presence of face and then divided into a plurality of zones. A mapping function is implemented for each of the plurality of zones based on a number of consecutive frames in which presence of a face is analyses and a minimum number of frames in which a face was detected. A zoom engine determines a region of interest which includes a left edge and a right edge, wherein said left edge is set based on coordinates associated with a face detected in a left most zone of the unstitched images, and said right edge is set based on coordinates associated with a right most face detected in a right most zone of the unstitched images.

Abstract: A method for generating a panoramic image is disclosed. The method comprises simultaneously capturing images from multiple camera sensors aligned horizontally along an arc and having an overlapping field of view; performing a cylindrical projection to project the captured images from the multiple camera sensors to a cylindrical images; and aligning overlapping regions of the cylindrical images corresponding to the overlapping field of view based on an absolute difference of luminance, wherein the cylindrical projection is performed by adjusting a radius for the cylindrical projection, wherein the radius is adjusted based on a scale factor and wherein the scale factor is calculated based on a rigid transform and wherein the scale factor is iteratively calculated for two sensors from the multiple camera sensors.

Abstract: A panoramic video conferencing server is disclosed. The server is operational to capture an audio stream via an array of microphones. The captured audio stream is de-multiplexed to extract audio for a plurality of audio zones. A region of interest (ROI) is determined for a plurality of client devices to which a panoramic video is being streamed. The ROI is determined based on a zoom information which is inputted by any one of the client devices. A modified audio channel associated with the panoramic video being streamed to at least one of the client devices is generated for each of the client devices. The modified audio channel is adjusted to coincide with directionality of an audio corresponding to the associated region of interest (ROI) inputted by the at least one of said client device and the modified audio channel is adjusted to mute audio corresponding to the audio zones other than the audio zone associated with the ROI.

Abstract: A three dimensional imaging system for generating a 3D panoramic video/image is disclosed. The three dimensional imaging system comprising a plurality of stereoscopic pairs of compound cameras is disclosed. The pair of compound cameras being separated by a predefined distance d.

Abstract: A computer-implemented method for transmitting video from a source to a plurality of video receivers is provided. The method comprises receiving video from a camera corresponding to a scene being imaged; transmitting the video as a plurality of video streams, each to one of the plurality of video receivers; receiving feedback information from each of the plurality of video receivers; performing an optimization operation to optimize each of the plurality of video streams being transmitted based on the feedback information; wherein each optimized video stream is optimized for a particular video receiver based on the feedback information received for that video receiver.

Abstract: A chassis for use in a panoramic camera is disclosed. The chassis comprises a base, a heat sink which comprises a metal boss formed on a first portion of the base to dissipate heat generated by a main processor of the panoramic camera; and an isothermal mounting structure formed on a second portion of the base, wherein an isothermal mounting structure defines a plurality of mounting formations each for securing imaging sensor thereto.

Abstract: A video system is provided. The video system, comprising: a plurality of imaging sensors; a plurality of image signal processors, each associated with an imaging sensor; an image stitching engine to stitch images output by the image signal processors; a zoom engine configured to determine a region of interest for a zoom function wherein said region of interest includes a left edge and a right edge, wherein said left edge is set based on coordinates associated with a left most face in a scene being imaged, and said right edge is set based on coordinates associated with a right most face in said scene.

Abstract: A method for generating a panoramic image is disclosed. The method comprises performing a cylindrical projection to project multiple camera images to cylindrical images, as a first step; and aligning overlapping regions of the cylindrical images, as a second step.

Abstract: A method for processing video is disclosed. The method comprises associating a plurality of audio zones with the video; associating a region of interest (ROI) for each of a plurality of client devices to which the video is currently being streamed; for each client device generating custom video comprising a modified video channel associated with the video being streamed to that client, wherein the modified audio channel comprises an enhanced audio for at least one audio zone indicated by the region of interest (ROI) for said client device.

Abstract: A computer-implemented method for transmitting video from a source to a plurality of video receivers is provided. The method comprises receiving video from a camera corresponding to a scene being imaged; transmitting the video as a plurality of video streams, each to one of the plurality of video receivers; receiving feedback information from each of the plurality of video receivers; performing an optimization operation to optimize each of the plurality of video streams being transmitted based on the feedback information; wherein each optimized video stream is optimized for a particular video receiver based on the feedback information received for that video receiver.

Abstract: A method for mounting an imaging sensor to a chassis is disclosed. The method comprises forming a plurality of mounting formations on a body of the chassis: forming a plurality of sensor sub-assemblies, each comprising a sensor mounted to a cartridge block; and securing each sensor sub-assembly to the chassis via a corresponding mounting formation.

Abstract: A system for video capture and delivery is disclosed. The system comprises a camera with multiple sensors to capture video at a first location, and to stitch images corresponding to the multiple sensors to produce a panoramic video having at least a 100 degrees field of view; and a cloud-based server to process the panoramic video for delivery to a plurality of client devices, and to stream the processed video to the plurality of client devices.