Abstract:
A method of storing an array of digital data into a memory. The memory includes a plurality of memory pages, and each memory page has a first memory section and a second memory section. The method includes a first step of dividing the array of digital data into a plurality of block units, while each of the block units has a plurality of odd rows and a plurality of even rows, and each of the odd rows and the even rows has at least one byte. The method further includes a second step of storing subsequent odd rows of at least one of the block units into consecutive storage locations in the first memory section, and storing subsequent even rows of at least one of the block units into consecutive storage locations in the second memory section. In this way, the memory bandwidth can be used more efficiently.
Abstract:
A method for a video encoder to encode video data into a video bit stream, the video data includes at least a picture, the picture includes a plurality of blocks, the method includes: receiving an available memory bandwidth value; determining an encoding type for the block according to the available memory bandwidth value; and encoding the block using the encoding type.
Abstract:
The invention relates to a decoding apparatus and same method for decoding a video bit stream. The apparatus decodes an encoded video bit stream to produce pixel data of a first and second macroblocks. The video bit stream comprises at least one video packet, a first, second, third logic units. The first logic unit comprising parameters a1 and b1. The second logic unit comprises parameters a2 and b2. The third logic unit comprises parameters a3 and b3. The parameters a1 and a2 are used for reconstructing a first macroblock. The parameters b1 and b2 are used for reconstructing a second macroblock. The video decoding apparatus comprises a searching module and a decoding module. The searching module locates a first address indicating location of the first logic unit, a second address indicating location of the second logic unit, and a third address indicating location of the third logic unit. The decoding module first decodes the first logic unit to obtain a decoded parameter A1 corresponding to the parameter a1 without obtaining and storing a decoded parameter B1 corresponding to the parameter b1 into a memory. The decoding module also decodes the second/third logic unit to obtain a decoded parameter A2/A3 corresponding to the parameter a2/a3. Then, the decoded parameters A1, A2, and A3 are used to produce the pixel data of the first macroblock.
Abstract:
The invention relates to a decoding apparatus and same method for decoding a video bit stream. The apparatus decodes an encoded video bit stream to produce pixel data of a first and second macroblocks. The video bit stream comprises at least one video packet, a first, second, third logic units. The first logic unit comprising parameters a1 and b1. The second logic unit comprises parameters a2 and b2. The third logic unit comprises parameters a3 and b3. The parameters a1 and a2 are used for reconstructing a first macroblock. The parameters b1 and b2 are used for reconstructing a second macroblock. The video decoding apparatus comprises a searching module and a decoding module. The searching module locates a first address indicating location of the first logic unit, a second address indicating location of the second logic unit, and a third address indicating location of the third logic unit. The decoding module first decodes the first logic unit to obtain a decoded parameter A1 corresponding to the parameter a1 without obtaining and storing a decoded parameter B1 corresponding to the parameter b1 into a memory. The decoding module also decodes the second/third logic unit to obtain a decoded parameter A2/A3 corresponding to the parameter a2/a3. Then, the decoded parameters A1, A2, and A3 are used to produce the pixel data of the first macroblock.
Abstract:
A method and computer readable medium storing a corresponding computer program for decoding a video bitstream based on processors using dynamic load balancing are disclosed. In one embodiment of the present invention, the method configures multiple processors to perform the multiple processing modules including a prediction module by mapping the multiple processing modules to the multiple processors. One or more buffer queues are used among said multiple processing modules and the mapping the prediction module to the multiple processors is based on the level of the buffer queue. The multiple processors may correspond to a multi-core Central Processing Unit (CPU) comprising of multiple CPUs or a multi-core Digital Signal Processor (DSP) comprising of multiple DSPs to practice the present invention.
Abstract:
An interpolation unit receives an incoming video bit stream comprising a plurality of frames including first macroblocks encoded using block-matching motion compensation and second macroblocks encoded using global motion compensation. A translation unit converts global motion parameters included in a current frame of the incoming video bit stream into a global motion vector. The interpolation unit performs luminance and chrominance interpolation operations on each macroblock contained in each frame of the incoming video bit stream. When processing a current macroblock, if the current macroblock is encoded using global motion compensation, the interpolation unit performs the luminance interpolation operations according to the global motion vector at half-pel resolution, and performs the chrominance interpolation operations at quarter-pel resolution. If the current macroblock is encoded using block-matching motion compensation, the interpolation unit performs the luminance and chrominance interpolation operations according to the macroblock motion vector contained in the current macroblock at half-pel resolution.
Abstract:
A multi-purpose camera system includes an image capture block and an image signal processing block. The image capture block is arranged for generating an image signal, wherein the image capture block has an image sensor, an optical system, and a control circuit. The image signal processing block is arranged for processing the image signal. When the multi-purpose camera system is operated in a first operation mode, the multi-purpose camera system acts as a camera for generating a captured image output; when the multi-purpose camera system is operated in a second operation mode, the multi-purpose camera system acts as part of a user input apparatus for receiving a user input; and an overall configuration of the control circuit and the image signal processing block in the first operation mode is different from an overall configuration of the control circuit and the image signal processing block in the second operation mode.
Abstract:
The invention is related to a method, a device, and a machine readable medium for image capture and selection. One of the disclosed embodiments of the invention is specifically related to a method performed by an image capturing device The method includes capturing a sequence of images; storing a plurality of the captured images in a buffer, wherein each of the buffered images has an interested region supposed to encompass an interested target; detecting intactness information describing intactness of the interested target as encompassed in the interested regions of a plurality of the buffered images; and selecting at least one of the buffered images based on the detected intactness information.
Abstract:
An exemplary video processing apparatus includes a first detection unit, a second detection unit, a format conversion control unit, and a format conversion processing unit. The first detection unit detects a video format of a video input. The second detection unit detects a display capability of a display device. The format conversion control unit determines whether the video input has a three-dimensional (3D) video format or a two-dimensional (2D) video format by referring to the detected video format, determines whether the display device supports a 3D video format or a 2D video format by referring to the detected display capability, and accordingly generates a control signal. The format conversion processing unit is controlled by the control signal to generate a video output satisfying the detected display capability according to the video input when the video input does not satisfy the detected display capability.
Abstract:
A video encoding method includes: receiving a plurality of video data inputs corresponding to a plurality of video display formats, respectively, wherein the video display formats include a first three-dimensional (3D) anaglyph video; generating a combined video data by combining video contents derived from the video data inputs; and generating an encoded video data by encoding the combined video data. A video decoding method includes: receiving an encoded video data having encoded video contents of a plurality of video data inputs combined therein, wherein the video data inputs correspond to a plurality of video display formats, respectively, and the video display formats include a first three-dimensional (3D) anaglyph video; and generating a decoded video data by decoding the encoded video data.