Abstract: Embodiments of the present invention provide a method and an apparatus for predicting a residual, which method is applied to three-dimensional video encoding or multi-visual angle video encoding and comprises searching, when performing inter frame image prediction encoding on a prediction unit, a corresponding unit of the prediction unit in an adjacent visual angle encoded at the same time; and predicting a time domain predicted residual of the prediction unit by utilizing a time domain predicted residual of the corresponding unit in the encoded adjacent visual angle.

Abstract: A depth picture inter encoding method, a decoding method, an encoder and a decoder, wherein the depth picture inter encoding method comprises: judging whether a depth picture inter encoding mode is a skip mode; setting a first depth picture inter encoding flag bit to an encoding unit if it is judged that the depth picture inter encoding mode is not the skip mode; judging whether the first depth picture inter encoding flag bit is true, encoding merely one residual value to each prediction unit if it is judged that the first depth picture inter encoding flag bit is true. Encoding by adopting a residual encoding manner existing in 3D-HEVC if it is judged that the first depth picture inter encoding flag bit is false.

Abstract: This disclosure relates to the field of video coding and decoding technology, and particularly, to a method and an apparatus for coding and decoding videos, wherein the coding method comprises: acquiring available neighboring pixel points which are reconstructed and neighboring to a coding unit; finding a reference block corresponding to the coding unit according to the motion vector of a prediction unit for a pixel attribute in the coding unit, and acquiring corresponding reference pixel points around the reference block; calculating a pixel attribute compensation parameter of the prediction unit using a value of the pixel attribute of the neighboring pixel point and a value of the same pixel attribute of the reference pixel point; and calculating a first prediction value of the prediction unit according to the pixel attribute compensation parameter, and coding the coding unit according to the first prediction value.

Abstract: The embodiments of the present invention provide an intraframe encoding method, device and encoder for depth images. The method is applied to 3D video encoding or multi-view video encoding. The method includes: in an intraframe encoding mode for depth images, generating a non-all-zero residual and an all-zero residual when a prediction unit is encoded; and performing a rate-distortion optimization selection between the non-all-zero residual and the all-zero residual, as a residual encoding scheme of the prediction unit. The device is applied to 3D video encoding or multi-view video encoding.

Abstract: The present invention relates to a method of performing interpolation for prediction between screens by using a pixel sample of a current picture and a pixel sample of a reference picture, and a prediction method using same. The interpolation method according to the present invention includes: calculating movement information for generating a prediction block; and generating a partial pixel sample on the basis of an integer sample set including integer pixel samples to which an interpolation filter is applied. Here, the integer sample set includes at least one current integer sample used to generate a partial pixel sample among restored integer pixel samples of a current picture, and the partial pixel sample corresponds to the offset positions of a partial pixel unit from a predetermined reference pixel sample among integer pixel samples.

Abstract: Video encoding and its corresponding decoding are disclosed. The video encoding incorporates: a predictor for predicting a pixel value of each pixel in a current block of the video to generate a predicted pixel value; a subtractor for calculating a difference between an original pixel value of the pixel in the current block and the predicted pixel value of the pixel in the current block to generate a residual signal; a transformer for transforming the residual signal into frequency coefficients; a quantizer for quantizing the transformed frequency coefficients; and an encoder for encoding the quantized frequency coefficients by using one of different variable length coding tables.

Abstract: The invention discloses an inter picture prediction method for video coding and decoding and a codec. The inter picture prediction method for video coding comprises: performing motion estimation over integer pixel positions of a reference picture, to determine an optimal motion vector for a current prediction unit in a current picture; and performing interpolation filtering processing for motion estimation over fractional pixel position by using the integer pixel position information to which the optimal motion vector directs in the reference picture, and spatially neighboring pixel information of the current prediction unit in the current picture.

Abstract: A depth picture inter encoding method, a decoding method, an encoder and a decoder, wherein the depth picture inter encoding method comprises: judging whether a depth picture inter encoding mode is a skip mode; setting a first depth picture inter encoding flag bit to an encoding unit if it is judged that the depth picture inter encoding mode is not the skip mode; judging whether the first depth picture inter encoding flag bit is true, encoding merely one residual value to each prediction unit if it is judged that the first depth picture inter encoding flag bit is true. Encoding by adopting a residual encoding manner existing in 3D-HEVC if it is judged that the first depth picture inter encoding flag bit is false.

Abstract: A multifunctional dispenser includes a main body having a connecting nozzle and a water supply pipe. A control valve, a regulating device, a proportional control device and a ventilation valve are on the main body. The bottom of main body communicates with a container through the proportional control device. The control valve determines the water flow of the water supply channel. The regulating device is a rotating cylinder passing through the main body. The cylinder has a valve track and a proportional controller track corresponding to the control valve and the proportional control device respectively. The valve track includes arc sections with unequal depths. The proportional controller track includes grooves with unequal depths and supports the proportional control device. A proportional regulator of the proportional control device has liquid outlet holes. The control valve controls the ventilation valve to open/close a gas inlet channel of a concentrated liquid container.

Abstract: The embodiments of the present invention provide an intraframe encoding method, device and encoder for depth images. The method is applied to 3D video encoding or multi-view video encoding. The method includes: in an intraframe encoding mode for depth images, generating a non-all-zero residual and an all-zero residual when a prediction unit is encoded; and performing a rate-distortion optimization selection between the non-all-zero residual and the all-zero residual, as a residual encoding scheme of the prediction unit. The device is applied to 3D video encoding or multi-view video encoding.

Abstract: Embodiments of the present invention provide a method and an apparatus for predicting a residual, which method is applied to three-dimensional video encoding or multi-visual angle video encoding and comprises searching, when performing inter frame image prediction encoding on a prediction unit, a corresponding unit of the prediction unit in an adjacent visual angle encoded at the same time; and predicting a time domain predicted residual of the prediction unit by utilizing a time domain predicted residual of the corresponding unit in the encoded adjacent visual angle.

Abstract: This disclosure relates to the field of video coding and decoding technology, and particularly, to a method and an apparatus for coding and decoding videos, wherein the coding method comprises: acquiring available neighbouring pixel points which are reconstructed and neighbouring to a coding unit; finding a reference block corresponding to the coding unit according to the motion vector of a prediction unit for a pixel attribute in the coding unit, and acquiring corresponding reference pixel points around the reference block; calculating a pixel attribute compensation parameter of the prediction unit using a value of the pixel attribute of the neighbouring pixel point and a value of the same pixel attribute of the reference pixel point; and calculating a first prediction value of the prediction unit according to the pixel attribute compensation parameter, and coding the coding unit according to the first prediction value.

Abstract: A multifunctional dispenser includes a main body having a connecting nozzle and a water supply pipe. A control valve, a regulating device, a proportional control device and a ventilation valve are on the main body. The bottom of main body communicates with a container through the proportional control device. The control valve determines the water flow of the water supply channel. The regulating device is a rotating cylinder passing through the main body. The cylinder has a valve track and a proportional controller track corresponding to the control valve and the proportional control device respectively. The valve track includes arc sections with unequal depths. The proportional controller track includes grooves with unequal depths and supports the proportional control device. A proportional regulator of the proportional control device has liquid outlet holes. The control valve controls the ventilation valve to open/close a gas inlet channel of a concentrated liquid container.

Abstract: The present invention relates to a method of performing interpolation for prediction between screens by using a pixel sample of a current picture and a pixel sample of a reference picture, and a prediction method using same. The interpolation method according to the present invention includes: calculating movement information for generating a prediction block; and generating a partial pixel sample on the basis of an integer sample set including integer pixel samples to which an interpolation filter is applied. Here, the integer sample set includes at least one current integer sample used to generate a partial pixel sample among restored integer pixel samples of a current picture, and the partial pixel sample corresponds to the offset positions of a partial pixel unit from a predetermined reference pixel sample among integer pixel samples.

Abstract: The invention discloses an inter picture prediction method for video coding and decoding and a codec. The inter picture prediction method for video coding comprises: performing motion estimation over integer pixel positions of a reference picture, to determine an optimal motion vector for a current prediction unit in a current picture; and performing interpolation filtering processing for motion estimation over fractional pixel position by using the integer pixel position information to which the optimal motion vector directs in the reference picture, and spatially neighboring pixel information of the current prediction unit in the current picture.

Abstract: A conventional new video coding technology can provide a bitstream switching picture by encoding the bitstream switching picture into an I picture. However, an encoding efficiency is greatly reduced. As such, the new video coding technology does not provide an efficient bitstream switching function. Also, other advantages provided by a switching picture technology such as a random access, error durability, and a bitstream splicing are not provided.

Abstract: Provided are a method for redundant slice coding by polyphase down-sampling (PD) and a codec using the method. An encoder for redundant slice coding by PD includes a PD coding unit rearranging a residual block that is a difference between a current block and a prediction block into four sections by performing PD on the residual block, a quantization transform unit transforming and quantizing at least one of the sections of the residual block, and a reference block generation unit generating a reference block based on a value obtained by performing inverse transform and inverse quantization, and then inverse PD on the at least one transformed and quantized section by the quantization transform unit.

Abstract: The present invention discloses a method for recovering a lost data unit, the method including: partitioning data to be transmitted into one or more data units, sorting the data units according to importance levels of the data units, and determining a check rule for the one or more data units, performing, by a transmitting end, a calculation on the sorted data units according to a predetermined algorithm depending on the check rule, to generate one or more corresponding check units; transmitting, by the transmitting end, the one or more data units to a receiving end in a sorted order, and transmitting the corresponding check units to the receiving end; recovering, by the receiving end, a lost data unit according to the receiving data units and check units as well as the check rule. With the method, the loss-preventative capability of the data units may be improved.

Abstract: Video encoding and its corresponding decoding are disclosed. The video encoding incorporates: a predictor for predicting a pixel value of each pixel in a current block of the video to generate a predicted pixel value; a subtractor for calculating a difference between an original pixel value of the pixel in the current block and the predicted pixel value of the pixel in the current block to generate a residual signal; a transformer for transforming the residual signal into frequency coefficients; a quantizer for quantizing the transformed frequency coefficients; and an encoder for encoding the quantized frequency coefficients by using one of different variable length coding tables.

Abstract: A conventional new video coding technology can provide a bitstream switching picture by encoding the bitstream switching picture into an I picture. However, an encoding efficiency is greatly reduced. As such, the new video coding technology does not provide an efficient bitstream switching function. Also, other advantages provided by a switching picture technology such as a random access, error durability, and a bitstream splicing are not provided.