Abstract: A method is provided for generating an autostereoscopic display. The method includes acquiring a first parallax image and at least one other parallax image. At least a portion of the first parallax image may be aligned with a corresponding portion of the at least one other parallax image. Alternating views of the first parallax image and the at least one other parallax image may be displayed.

Abstract: A helmet for displaying environmental images in critical environments, comprising at least one video camera and a display for displaying environmental images; the helmet also has a supporting structure that can be anchored to the helmet in order to support the at least one video camera and the display; the supporting structure has a front adapter that can be coupled to a front edge of the helmet, a rear adapter that can be coupled to a rear edge of the helmet, and a connecting element for mutually connecting the front adapter and the rear adapter.

Abstract: A segment of a B picture is encoded using motion estimation based prediction according to a determination as to whether motion vectors corresponding to a number of already constructed reference pictures of the B picture are acceptable for use in a direct prediction mode without further refinement or whether refined motion vectors are needed. In response to a determination that refined motion vectors are needed, refined motion vectors are computed through a motion estimation process and are used to encode a temporal direct mode. The coded segment of the B picture does not include refined motion vectors in an encoded bit stream. Decoding the encoded bit stream involves identifying the mode selected for coding the segment of the B picture. Where the temporal direct mode using refined motion vectors was selected for encoding, local motion estimation refinement is used to generate local motion vectors, which are used to reconstruct the segment of the B picture.

Abstract: The quantization parameter QP is well-known in digital video compression as an indication of picture quality. Digital symbols representing a moving image are quantized with a quantizing step that is a function QSN of the quantization parameter QP, which function QSN has been normalized to the most significant bit of the bit depth of the digital symbols. As a result, the effect of a given QP is essentially independent of bit depth—a particular QP value has a standard effect on image quality, regardless of bit depth. The invention is useful, for example, in encoding and decoding at different bit depths, to generate compatible, bitstreams having different bit depths, and to allow different bit depths for different components of a video signal by compressing each with the same fidelity (i.e., the same QP).

Abstract: An information processing apparatus includes a unit that executes a de-blocking filter process for each of decoded pictures, a unit that executes a motion compensation prediction process that generates an inter-frame prediction signal, from one or more pictures that are subjected to the de-blocking filter process, a unit that executes an intra-frame prediction process that generates an intra-frame prediction signal, a unit that adds one of the inter-frame prediction signal and the intra-frame prediction signal to a prediction error signal corresponding to the to-be-decoded picture to decode the to-be-decoded picture, and a unit that executes, when a load on the information processing apparatus is greater than a predetermined reference value, a process that skips execution of the de-blocking filter process and generates the inter-frame prediction signal, which corresponds to the to-be-decoded picture, from the one or more decoded pictures that are not subjected to the de-blocking filter process.

Abstract: A video encoding method and system are provided for encoding a video sequence. The video sequence includes N sub-sequences which each includes a plurality of frames. When the video encoding system encodes the jth frame in the ith sub-sequence of the video sequence, the frames previous to the jth frame in the ith sub-sequence have been encoded. Based on the encoded frames, an initial quantization scale is generated. According to the initial quantization scale, the jth frame of the ith sub-sequence is encoded in the inter-encoded mode. Whether the jth frame in the ith sub-sequence is a “scene change” relative to the (j?1)th frame in the ith subsequence is judged, and if YES, based on the initial quantization scale, an adjusted quantization scale is generated. Moreover, the jth frame in the ith sub-sequence is re-encoded in accordance with the adjusted quantization scale.

Abstract: Techniques and tools for intensity compensation for interlaced forward-predicted fields are described. For example, a video decoder receives and decodes a variable length code that indicates which of two reference fields for an interlaced forward-predicted field use intensity compensation (e.g., both, only the first, or only the second). The decoder performs intensity compensation on each of the two reference fields that uses intensity compensation. A video encoder performs corresponding intensity estimation/compensation and signaling.