Abstract: Aspects of the subject technology provide for secure, privacy-preserving access to electronic conferencing. In one or more implementations, participant devices in a conferencing session may be provided with the ability to expel one or more other participant devices from the conferencing session, even when the participant device(s) are not hosts or cohosts of the conferencing session. A participant device may be expellable by another participant device based on a connection mechanism by which the participant device is connected to the conferencing session, and/or based on an amount of time since the participant device joined the conferencing session.

Abstract: A method is provided that includes receiving, at a media device and from a client device, a request for a temporary identifier for a group chat session, and provisioning, by the media device, the temporary identifier based on a device identifier of the media device. The media device provides the temporary identifier to the client device. The media device receives from a server an invitation to join the group chat session, where the invitation is directed to the temporary identifier, and the media device joins the group chat session.

Abstract: An image control method, applied to a mobile device including a camera service platform, wherein the mobile device complies an image transmission protocol and establishes an event queue and an extension unit according to the image transmission protocol, wherein the image control method comprises: receiving at least one control parameter of an image processing function of a camera service platform; generating a control item of the image processing function according to the controlling parameter; mapping the control item to a database and transmitting a notification including the control item to a computer device to transmit an image between the computer device and the mobile device.

Abstract: An image control method, applied to a mobile device including a camera service platform, wherein the mobile device complies an image transmission protocol and establishes an event queue and an extension unit according to the image transmission protocol, wherein the image control method comprises: receiving at least one control parameter of an image processing function of a camera service platform; generating a control item of the image processing function according to the controlling parameter; mapping the control item to a data base and transmitting a notification including the control item to a computer device to transmit an image between the computer device and the mobile device.

Abstract: A medical imaging system and a medical imaging method thereof are provided. The medical imaging method includes the following steps: acquiring an ultrasound image and a photoacoustic image; and overlapping the ultrasound image and the photoacoustic image to generate an overlapped image.