Abstract: Among other disclosure, a computer-implemented method for retaining a surface detail includes identifying a surface that is to be used for generating an image in a rendering process. The surface includes polygons to be changed from an initial size to a larger size as the surface is changed to a lower resolution as part of tessellating the surface. The surface includes at least one surface detail smaller than the larger polygon size. The method includes storing information corresponding to at least a portion of the surface that includes polygons forming the surface detail. The method includes tesselating the surface, wherein the surface assumes the lower resolution. The method includes determining, while the image is at the lower resolution and using the stored information, a shading sample for at least one of the polygons of the larger size that includes the surface detail. The method includes storing the shading sample.

Abstract: A radio communication station in a radio communication system having a plurality of radio communication devices, derives a quantisation parameter and transmits the quantisation parameter to the radio communication devices for use in subsequent quantisation of a channel state metric. The radio communication devices receive the quantisation parameter, determine a channel state metric, quantise the determined channel state metric by applying quantisation ranges indicated by the quantisation parameter, determine a data value indicative of the quantised channel state metric, and transmit a signal conveying the determined data value as a random access transmission.

Abstract: Among other disclosed subject matter, a system includes a first camera generating a live image of a scene, the first camera configured for being placed in a plurality of locations by robotic motion. The system includes a handheld device that includes a display device for continuously presenting the live image, wherein movement of the handheld device causes the handheld device to generate an output that controls the robotic motion.

Abstract: A bit rate detector for detecting the speed of transmission of a data signal having one of at least two alternative bit rates, comprises a differential decoder (28) for differentially decoding received digitally modulated signals into oversampled complex signals, a summing stage (38, 40 and 42) for forming a running sum of successive groups of samples, and a bit rate detector (58). The bit rate detector (58) having a stage (62, 66 (FIG. 5)) for determining if the running sum represents a signal as opposed to interference, and if the running sum represents a signal, determining the sign of the running sum, a stage (74 (FIG. 5)) for assigning one of two binary values dependent on whether the sign is positive or negative, a shift register (82 (FIG. 5)) for storing successive binary values, a comparator (88 (FIG.