Abstract: A sequence of 3D hand poses may be used to define a hand gesture, and different hand gestures may be represented by different sequences of poses. One or more hand gestures may be used to generate a virtual input device. Another one or more hand gestures may subsequently be used to provide input via the virtual input device.

Abstract: In some examples, the intensity of an image projected onto a surface at an oblique angle may be controlled to equalize the intensity, and thereby to eliminate from the image perceptible variations in brightness. For instance, a first distance to a closer portion of the image and a second distance to a farther portion of the image may be used to determine an amount of change to be made to the intensity of at least one portion of the image. In some implementations, a filter may be used to control changes to the intensity of the image. In other implementations, the image information may be modified, such as on a pixel level, to control the intensity of the image.

Abstract: A method and apparatus are provided that are implemented at a conference apparatus to provide an optimization of video conferencing resource utilization. The method receives a plurality of resource constraints where each resource constraint is from a conference device in a plurality of conference devices, wherein at least a first resource constraint of a first conference device contains an indication of a video processing capability of the first conference device. The method further computes a conference solution matrix for the plurality of conference devices based on the plurality of resource constraints, wherein the conference solution matrix contains a solution entry for each of the plurality of conference devices, and wherein for the first conference device, a corresponding first solution entry indicates a video processing solution selection for the first conference device. Solution entries are then sent to corresponding conference devices of the plurality of conference devices.

Abstract: A method of proximity-based conference session transfer is disclosed. The method is implemented at a conference device and it starts with the conference device generating a conference session code based on an encrypted conference session message received from a conference server. The conference device communicates the conference session code to an area in proximity to the conference device, where a user device in the area in proximity to the conference device receives the conference session code and requests the conference server to coordinate the conference device to assume a conference session of the user device. The conference device then receives a message from the conference server requesting the conference device to assume the conference session of the user device, and it assumes the conference session of the user device by performing conference functions according to input from the user device.

Abstract: Systems and techniques for providing feedback to users within an environment that interact with user interfaces (UIs) that are projected within the environment. For instance, the systems and techniques may project a UI that includes one or more selectable portions, such as keys, icons, sliders, dials, or any other type of control. After projecting the UI, the systems and techniques may identify the user attempting to interact with the UI. In response, the systems and techniques may provide feedback to the user indicating that the user has engaged the UI. For instance, the systems and techniques may visually alter the projected UI, may output a sound via one or more speakers within the environment, or may provide the feedback in any other manner.