Patent application number | Description | Published |
20110095042 | STACK OF SHEETS AND SHEET CONTAINER - It is an object of the invention to provide a technique for taking out folded sheets without increasing the height of a stack of sheets in a stacking direction. A representative stack of sheets includes first sheet bodies | 04-28-2011 |
20110101592 | STACK OF SHEETS AND SHEET CONTAINER - A representative stack of sheets including sheet bodies each of which is formed by folding a sheet and has a plurality of pieces between both ends of the sheet body. The sheet bodies are stacked one on another in such a manner that one of the plurality of pieces of each of the sheet bodies on one side in a stacking direction and another piece on the other side are inserted between pieces of an adjacent sheet body on one side in the stacking direction with respect to the sheet body and between pieces of an adjacent sheet body on the other side in the stacking direction, respectively, wherein an auxiliary piece is formed by folding an end of the piece of the sheet body. | 05-05-2011 |
20110155738 | CONTAINER ARRANGEMENT - It is an object of the invention to provide a technique for taking out an article from a package housed within a container. Wet tissues are stored in a package, and the package is housed within a container. The package has an opening-closing portion formed by a laminated portion of a first sheet and a second sheet, and a proximal portion formed by a portion of the second sheet which protrudes from the first sheet. One side of the first sheet is removably bonded to the top of the body by a first adhesive. One side of the second sheet is bonded to the other side of the first sheet and also to the top of the body by a second adhesive. The package is housed within the container in the state in which the opening-closing portion of the lid is peeled off the top of the body, turned over and bonded to the back of the body by the first adhesive. | 06-30-2011 |
20110309098 | OPENABLE AND CLOSABLE CONTAINER - An openable and closeable container that includes a container body having a take-out opening; an opening-closing lid provided on the container body swingably about a swing axis X-X on a base end side, the opening-closing lid opening/closing the take-out opening; and plate rubber (an elastic member) provided between the container body and the opening-closing lid. A spring body is provided on the base end side of the opening-closing lid and a sloping portion (a braking portion) with which the spring body comes into contact is provided on the container body side. The spring body is gradually compressed from the state where the opening-closing lid is closed toward the state where the opening-closing lid is opened. | 12-22-2011 |
20110309099 | OPENABLE AND CLOSABLE CONTAINER - An openable and closable container includes a container body having a take-out opening, and an opening-closing lid provided on the container body swingably about a swing axis on a base end side of the lid, the lid opening and closing the take-out opening. Plate rubber (an elastic member) is provided between the contain body and the opening-closing lid. A packing member (an elastic sealing body) is attached to the rear surface of the opening-closing lid such that the packing member seals the take-out opening of the upper plate. | 12-22-2011 |
Patent application number | Description | Published |
20100067579 | VIDEO ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND STORAGE MEDIA FOR RECORDING THE PROGRAMS - A video encoding method, in which a video signal consisting of two or more signal elements is targeted to be encoded, includes a step of setting a downsampling ratio is set for a specific signal element in a frame, in accordance with the characteristics in the frame; and a step of generating a target video signal to be encoded, by subjecting the specific signal element in the frame to downsampling in accordance with the set downsampling ratio. The frame may be divided into partial areas in accordance with localized characteristics in the frame; and a downsampling ratio for a specific signal element in these partial areas may be set in accordance with the characteristics in each partial area. | 03-18-2010 |
20100215095 | VIDEO SCALABLE ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND RECORDING MEDIA WHERE PROGRAMS ARE RECORDED - A video scalable encoding method calculates a weight coefficient which includes a proportional coefficient and an offset coefficient and indicates brightness variation between an encoding target image region and a reference image region in an upper layer, calculates a motion vector by applying the weight coefficient to an image signal of a reference image region as a search target and executing motion estimation, and generates a prediction signal by applying the weight coefficient to a decoded signal of a reference image region indicated by the motion vector and executing motion compensation. Based on encoding information of an immediately-lower image region in an immediately-lower layer, which is present at spatially the same position as the encoding target image region, a data structure of the weight coefficient is determined. When the immediately-lower image region performed interframe prediction in the immediately-lower layer, the method identifies an immediately-lower layer reference image region that the immediately-lower image region used as a prediction reference for motion prediction, and calculates the weight coefficient by applying a weight coefficient that the immediately-lower image region used in weighted motion prediction to a DC component of an image region in the upper layer, which is present at spatially the same position as the immediately-lower layer reference image region, and assuming a result of the application as a DC component of the immediately-lower image region. | 08-26-2010 |
20100329344 | SCALABLE VIDEO ENCODING METHOD AND DECODING METHOD, APPARATUSES THEREFOR, PROGRAMS THEREFOR, AND STORAGE MEDIA WHICH STORE THE PROGRAMS - A scalable video encoding method of performing encoding by predicting an upper-layer signal having a relatively high spatial resolution by means of interpolation using an immediately-lower-layer signal having a relatively low spatial resolution. The method computes a first weighting coefficient for each image area of a predetermined unit size in a search for estimating a motion between an encoding target image area in an upper layer and a reference image area, where the first weighting coefficient is computed based on a brightness variation between an image area, which belongs to an immediately-lower layer and has the same spatial position as the encoding target image area, and the reference image area; and performs a motion estimation using a signal which is obtained by correcting a decoded signal of the reference image area by the first weighting coefficient and functions as an estimated signal in the motion estimation, so as to compute a motion vector. Then the method computes a second weighting coefficient based on a brightness variation between a reference image area indicated by the motion vector and the image area which belongs to the immediately-lower layer and has the same spatial position as the encoding target image area; and determines a signal, which is obtained by correcting a decoded signal of the reference image area by using the second weighting coefficient, to be a compensated signal in motion compensation, which functions as a predicted signal of the encoding target image area. | 12-30-2010 |
20110194599 | SCALABLE VIDEO ENCODING METHOD, SCALABLE VIDEO ENCODING APPARATUS, SCALABLE VIDEO ENCODING PROGRAM, AND COMPUTER READABLE RECORDING MEDIUM STORING THE PROGRAM - In scalable video encoding, incidence rates of combinations of optimum prediction modes to be selected for spatially corresponding blocks of an upper layer and a lower layer are determined based on an optimum prediction mode that was selected in a conventional encoding, and then a correspondence table that describes relationships therebetween is created. Subsequently, the combinations of the selected optimum prediction modes described in the correspondence table are narrowed down based on the value of the incidence rate so as to create prediction mode correspondence information that describes the combinations of the optimum prediction mode narrowed down. When encoding the upper layer block, the prediction mode search candidate that is to be searched in the encoding is decided by referring to the prediction mode correspondence information using as a key the optimum prediction mode selected in the encoding of the spatially corresponding lower layer block and thereby reducing the number of the prediction mode search candidates. | 08-11-2011 |
20130128984 | VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, AND PROGRAMS THEREOF - A reduction in residual energy of inter-frame prediction with motion compensation and improvement in encoding efficiency are achieved by using a region-dividing type adaptive interpolation filter that takes an edge property of a picture into consideration. An edge calculation unit calculates edge information from reference picture data designated by a motion vector. A region dividing unit divides an encoding target frame into a plurality of regions that are units to which interpolation filters are adaptively applied based on the edge information. A filter coefficient optimizing unit optimizes an interpolation filter for a fractional-accuracy pixel for each of the regions. A reference picture interpolating unit interpolates the fractional-accuracy pixel of a reference picture using the optimized interpolation filter, and a predictive encoding unit performs predictive encoding using motion compensation of fractional-accuracy. | 05-23-2013 |
20130136187 | VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, AND PROGRAM THEREOF - A video encoding apparatus reduces residual energy of motion-compensated inter-frame prediction and improves the coding efficiency in encoding of an image in which optimal values of interpolation filter coefficients are changed in time and space. In the video encoding apparatus, a region division unit sequentially selects region division schemes one by one from among a plurality of prepared region division schemes, and divides a region of an image to be encoded. An interpolation filter coefficient switching unit switches interpolation filter coefficients of a decimal precision pixel for each divided region, and a predictive encoding unit performs predictive encoding. A region division mode decoding section selects a region division scheme, in which a cost is minimized among rate distortion costs calculated for each region division scheme. Using the selected region division scheme, the predictive encoding unit and a variable length encoding unit encode the image to be encoded. Information indicating the region division scheme is also subject to variable length encoding and is transmitted to a decoder. | 05-30-2013 |
20130170554 | VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, AND PROGRAMS THEREOF - Regions based on which an interpolation method of a fractional-accuracy pixel is switched are optimized, and the interpolation method is switched for each of the divided regions, thereby reducing residual energy of inter-frame prediction with motion compensation. A video encoding apparatus is provided with: an encoding information acquiring unit which acquires encoding information for each block; a region classification unit which performs a region classification on a block-by-block basis in accordance with the encoding information; a divided region redefinition processing unit which shifts a region dividing line in a horizontal direction, a region dividing line in a vertical direction, or both the region dividing line in the horizontal direction and the region dividing line in the vertical direction based on a result of the region classification, and determines a region dividing line with which density of blocks belonging to a particular region classification is greater than or equal to a predetermined threshold value; an interpolation method switching unit which switches an interpolation method of a fractional-accuracy pixel for each of divided regions divided by the region dividing line; an interpolation performing unit which performs interpolation of the fractional-accuracy pixel for each of the divided regions; a picture encoding unit which encodes a picture using inter-frame prediction with motion compensation of fractional-accuracy for an interpolated picture; and a region classification information encoding unit which encodes information on the region classification. | 07-04-2013 |
20140105307 | VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM - A video encoding device uses motion-compensated inter-frame prediction by dividing an image into blocks, each block a predetermined size, designating a first component value of a plurality of component values of a motion vector (MV) between an encoding target block and a neighboring block, designating a second component value, and encoding each first and second component values; a first component encoding means encodes a difference value of a first component and a second component encoding means, which obtains a probability of occurrence of a candidate value for the second component value of the MV of the encoding target block, based on a difference value between the first component value of the neighboring block MV and the first component value of the encoding target block MV and the second component value of the neighboring block MV, specifies a codeword of the second component value, encoding it based on the occurrence probability. | 04-17-2014 |
20140105308 | METHOD AND APPARATUS FOR ENCODING VIDEO, METHOD AND APPARATUS FOR DECODING VIDEO, AND PROGRAMS THEREFOR - The prediction error energy in inter-frame prediction with motion compensation is reduced and the coding efficiency is improved. A video encoding method using fractional-accuracy motion compensation includes: a step of generating multiple weighted filter coefficients from multiple interpolation filter sets using weight parameters which designate weight values of interpolation filter coefficients; a step of selecting weighted filter coefficients which minimize prediction error energy in the fractional-accuracy motion compensation from among the weighted filter coefficients; a step of interpolating fractional-accuracy pixels for a reference picture by application of an interpolation filter with the selected weighted filter coefficients and encoding an input picture with the fractional-accuracy motion compensation; and a step of encoding the weight parameters used for generating the selected weighted filter coefficients and the interpolation filter coefficients and adding encoded weight parameters and encoded interpolation filter coefficients to an encoded bitstream. | 04-17-2014 |
20140112391 | METHOD AND APPARATUS FOR ENCODING VIDEO, METHOD AND APPARATUS FOR DECODING VIDEO, AND PROGRAMS THEREFOR - The prediction error energy in inter-frame prediction with motion compensation is reduced and the coding efficiency is improved. A video encoding method using fractional-accuracy motion compensation includes: a step of performing a motion search to acquire a motion vector; a step of calculating reference probabilities at fractional-pixel positions designated by the acquired motion vector; a step of dividing interpolation positions which are fractional-pixel positions into multiple groups based on the calculated reference probabilities; a step of selecting, for each of the groups of the interpolation positions, interpolation filter coefficients to be used for generating an interpolated prediction picture from among multiple interpolation filter coefficient candidates; a step of generating the interpolated prediction picture using the selected interpolation filter coefficients and performing encoding with the fractional-accuracy motion compensation based on the interpolated prediction picture, for each of the groups of the interpolation positions; and a step of encoding information indicating grouping of the interpolation positions and information indicating interpolation filter coefficients to be used for each of the groups of the interpolation positions. | 04-24-2014 |
20140119453 | VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM - A video encoding device performs motion-compensated inter-frame prediction corresponding to fractional pixel precision using a region-based adaptive interpolation filter (RBAIF) in which a frame is divided into regions and an IF coefficient is adaptively set for each division region, and includes means which constructs a linear simultaneous equation for obtaining an IF coefficient for a division region prescribed by a division position when an optimum division position is selected from among candidates for a prepared division position, and means which obtains the IF coefficient by solving the linear simultaneous equation, wherein the equation generation means diverts a redundant arithmetic processing result in an arithmetic operation of calculating the IF coefficient in a different division region and newly calculates only non-redundant difference information using the arithmetic operation. | 05-01-2014 |
20140133546 | VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM - A video encoding device includes means used to estimate a lower limit of a bit amount/distortion cost function when an adaptive interpolation filter (AIF) is used based on a generated bit amount and an encoding distortion amount when a region-based adaptive interpolation filter (RBAIF) is used upon selecting an optimum IF based on a bit amount/distortion cost function among a fixed interpolation filter (IF), the AIF, and the RBAIF, and means used to select an optimum IF based on a comparison of bit amount/distortion cost functions of the fixed IF and the RBAIF when the lower limit is a value greater than the bit amount/distortion cost function for the fixed IF, and selecting an optimum IF based on a comparison of bit amount/distortion functions of the fixed IF, the AIF, and the RBAIF only when the lower limit is less than or equal to the bit amount/distortion cost function for the fixed IF. | 05-15-2014 |
20140247865 | VIDEO ENCODING METHOD AND APPARATUS, VIDEO DECODING METHOD AND APPARATUS, AND PROGRAM THEREFOR - A generated bit amount of filter coefficients of an adaptive interpolation filter is reduced. A video encoding apparatus using motion compensation includes: a motion detection unit which performs motion search to acquire a motion vector; an interpolation filter coefficient deriving unit which calculates interpolation filter coefficients used for interpolation of a decimal-precision pixel using the motion vector; an interpolation unit which performs the interpolation of the decimal-precision pixel using the interpolation filter coefficients and the motion vector and performs encoding, a parameter selection unit which selects a parameter with which a generated bit amount of the interpolation filter coefficients is minimized from among a plurality of designated parameters in parameters used for entropy encoding of the interpolation filter coefficients, and an encoding processing unit which encodes the selected parameter and the calculated interpolation filter coefficients and outputs an encoded parameter and encoded interpolation filter coefficients. | 09-04-2014 |