Proxy Identity Based Encryption (proxy IBE) is a new encryption scheme that allows a user to send data encrypted with any given public key to a receiving user who decrypts the data with their own private key which is of no relation to the key used for encryption.
Stanford researchers in John Cioffi's lab have developed a method for allocating resources (bit rate and transmit power) in multi-user, multi-carrier communication systems. The invention provides the optimal power allocation algorithm for the equal-length DSL loops.
Stanford researchers have created software to view panoramic videos from arbitrary viewpoints from separate non-overlapping geo-referenced panoramic video streams. Ths system can also synthesize missing panoramic images to provide the user with a full sequence.
This user interface enables a user to define tags within virtual tour applications that label objects in panoramic images and video – a process that has been very difficult to achieve prior to this invention.
This software system acquires panoramic video footage and makes the data viewable on a Web browser. The system enables a human editor to select specific subsequences of the data, and organize it, and have others view it.
Stanford researchers have developed a novel method of fabricating one-dimensional and two-dimensional capacitive micromachined ultrasonic transducer (CMUT) arrays.
The market for wireless sensor networks is quickly expanding. It is estimated that within a few years there could be 100 million wireless sensors in use in a billion-dollar worldwide market.
The efficient collection of incident photons (optical efficiency) and their conversion to measurable charge (quantum efficiency) are of critical importance to the performance of image sensors.
Stanford researchers in John Cioffi's lab have developed a method and apparatus for controlling the data rate in the uplink of a Code Division Multiple Access (CDMA)/ Orthogonal Frequency Division Multiplexing (OFDM) system.