The present invention is provided with: a triangle merge candidate list construction unit that constructs a triangle merge candidate list including spatial merge candidates; a first triangle merge candidate selection unit that selects a first triangle merge candidate subjected to uni-prediction from a triangle merge candidate list; and a second triangle merge candidate selection unit that selects a second triangle merge candidate subjected to uni-prediction from the triangle merge candidate list, wherein, for a region in which motion compensation is performed through a weighted average of the first triangle merge candidate and the second triangle merge candidate, storage is performed by using uni-prediction motion information of either the first triangle merge candidate or the second triangle merge candidate.
H04N 19/52 - Traitement de vecteurs de mouvement par encodage par encodage prédictif
H04N 19/583 - Compensation de mouvement par blocs se chevauchant
H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p.ex. liés aux standards de compression
In order to provide efficient coding technology with a low load, a picture decoding device includes a spatial motion information candidate derivation unit configured to derive a spatial motion information candidate from motion information of a block neighboring a decoding target block in a space domain, a temporal motion information candidate derivation unit configured to derive a temporal motion information candidate from motion information of a block neighboring a decoding target block in a time domain, and a history-based motion information candidate derivation unit configured to derive a history-based motion information candidate from a memory for retaining motion information of a decoded block, wherein the temporal motion information candidate is compared with neither the spatial motion information candidate nor the history-based motion information candidate with respect to the motion information.
H04N 19/52 - Traitement de vecteurs de mouvement par encodage par encodage prédictif
H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p.ex. liés aux standards de compression
3.
IMAGE DECODING DEVICE, IMAGE DECODING METHOD, AND IMAGE DECODING PROGRAM
The present invention generates a merge candidate list, selects a merge candidate from the merge candidate list as a selected merge candidate, decodes a code string from a coded stream and derives a correction vector, adds the correction vector to a first predictive motion vector of the selected merge candidate without scaling, and subtracts the correction vector from a second predictive motion vector of the selected merge candidate without scaling and derives a corrected merge candidate.
H04N 19/52 - Traitement de vecteurs de mouvement par encodage par encodage prédictif
H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p.ex. liés aux standards de compression
4.
PICTURE DECODING DEVICE AND METHOD, AND PICTURE DECODING DEVICE AND METHOD
According to the present invention, a block division unit includes: a four-division unit which divides, by four, a target block by dividing, by half, the target block in each of a horizontal direction and a vertical direction of the target block through recursive division and generates four blocks; and a two-three division unit which divides, by two or three, a target block in a horizontal direction or a vertical direction of the target block through recursive division and generates two or three blocks. When the target block is horizontally divided and the divided target block exceeds the right side of a picture boundary, the two or three-division unit prohibits the target block from being divided in the horizontal direction. When the target block is vertically divided and the divided target block exceeds the bottom side of a picture boundary, the two or three-division unit prohibits the target block from being divided in the vertical direction.
H04N 19/119 - Aspects de subdivision adaptative, p.ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/167 - Position dans une image vidéo, p.ex. région d'intérêt [ROI]
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p.ex. liés aux standards de compression
5.
PICTURE DECODING DEVICE, PICTURE DECODING METHOD AND PICTURE DECODING PROGRAM
In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-prediction mode, when aspect ratios of pixels of the brightness signal and the color-difference signal are different from each other, a bitstream generator converts a mode number of a first intra-color-difference prediction mode used when the aspect ratios are equal to each other into a scaled mode number and derives a second intra-color- difference prediction mode used when the aspect ratios are different from each other.
H04N 19/593 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif mettant en œuvre des techniques de prédiction spatiale
6.
LIQUID CRYSTAL ELEMENT, PHASE MODULATION DEVICE, AND CONTROL METHOD OF LIQUID CRYSTAL ELEMENT
A phase modulation device includes an image data generator, a controller, a light reception signal detector, and a liquid crystal element. The image data generator generates image data. The controller generates a gradation control signal based on the image data. The liquid crystal element includes a first substrate and a light receiver. The first substrate has a pixel region in which a plurality of pixel electrodes constituting pixels are arranged. The light receiver photoelectrically converts light with which the pixel region is irradiated to generate a light reception signal. The light reception signal detector generates a drive control signal based on the light reception signal. The liquid crystal element changes an inclination angle of a wavefront of the light with which the pixel region is irradiated by applying different drive voltages to the plurality of pixel electrodes based on the gradation control signal.
G02F 1/13 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p.ex. commutation, ouverture de porte ou modulation; Optique non linéaire pour la commande de l'intensité, de la phase, de la polarisation ou de la couleur basés sur des cristaux liquides, p.ex. cellules d'affichage individuelles à cristaux liquides
7.
IMAGE CODING DEVICE, IMAGE CODING METHOD, AND IMAGE CODING PROGRAM, AND IMAGE DECODING DEVICE, IMAGE DECODING METHOD AND IMAGE DECODING PROGRAM
An image encoding device adapted to segment an image into blocks and encode the image in units of blocks resulting from segmenting the image is provided. A block segmentation unit (101) recursively segments the image into rectangles of a predetermined size to generate a block subject to encoding. A bitstream generation unit (105) encodes block segmentation information of the block subject to encoding. The block segmentation unit (101) includes: a quartering unit that quarters a target block in recursive segmentation in a horizontal direction and a vertical direction to generate four blocks; and a halving unit that halves a target block in recursive segmentation in a horizontal or vertical direction to generate two blocks. When previous recursive segmentation is halving, the halving unit prohibits a target block subject to current recursive segmentation from being segmented in the same direction as a direction in which the block was segmented in the previous recursive segmentation.
H04N 19/119 - Aspects de subdivision adaptative, p.ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/159 - Type de prédiction, p.ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
8.
IMAGE CODING AND DECODING DEVICES AND METHODS ADAPTED TO CONTROL RECURSIVE BLOCK SEGMENTATION TO BE HALVING OR QUARTERING OPERATIONS
The present invention provides an image coding device that divides an image into blocks and performs coding in units of the divided blocks. A block division unit (101) generates a block to be coded by recursively dividing an image into rectangles with a predetermined size. A coded bit string generation unit (105) codes block division information of the block to be coded. The block division unit (101) includes a division-into-quarters part for generating four blocks by horizontally and vertically dividing an object block in recursive division into quarters, and a division-into-halves part for generating two blocks by horizontally or vertically dividing the object block in recursive division into halves. If a previous recursive division is division into halves, the division-into-halves part prohibits an object block in a current recursive division from being divided in the same direction as a direction in which the block is divided in the previous recursive division.
H04N 19/119 - Aspects de subdivision adaptative, p.ex. subdivision d’une image en blocs de codage rectangulaires ou non
H04N 19/136 - Caractéristiques ou propriétés du signal vidéo entrant
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
H04N 19/196 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par le procédé d’adaptation, l’outil d’adaptation ou le type d’adaptation utilisés pour le codage adaptatif étant spécialement adaptés au calcul de paramètres de codage, p.ex. en faisant la moyenne de paramètres de codage calculés antérieurement
H04N 19/70 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques caractérisés par des aspects de syntaxe liés au codage vidéo, p.ex. liés aux standards de compression
H04N 19/96 - Codage au moyen d'une arborescence, p.ex. codage au moyen d'une arborescence quadratique
9.
IMAGE CODING DEVICE, IMAGE CODING METHOD, AND IMAGE CODING PROGRAM, AND IMAGE DECODING DEVICE, IMAGE DECODING METHOD AND IMAGE DECODING PROGRAM
An image encoding device adapted to segment an image into blocks and encode the image in units of blocks resulting from segmenting the image is provided. A block segmentation unit (101) recursively segments the image into rectangles of a predetermined size to generate a block subject to encoding. A bitstream generation unit (105) encodes block segmentation information of the block subject to encoding. The block segmentation unit (101) includes: a quartering unit that quarters a target block in recursive segmentation in a horizontal direction and a vertical direction to generate four blocks; and a halving unit that halves a target block in recursive segmentation in a horizontal or vertical direction to generate two blocks. When previous recursive segmentation is halving, the halving unit prohibits a target block subject to current recursive segmentation from being segmented in the same direction as a direction in which the block was segmented in the previous recursive segmentation.
INTRA-PREDICTION MODE DERIVATION FOR COLOR SIGNALS, WHEREBY THE SIGNALS MAY HAVE THE SAME OR DIFFERENT ASPECT RATIOS THAN CORRESPONDING BRIGHTNESS SIGNALS
In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-prediction mode, when aspect ratios of pixels of the brightness signal and the color-difference signal are different from each other, a bitstream generator 113 converts a mode number of a first intra-color-difference prediction mode used when the aspect ratios are equal to each other into a scaled mode number and derives a second intra-color-difference prediction mode used when the aspect ratios are different from each other.
H04N 19/463 - Inclusion d’information supplémentaire dans le signal vidéo pendant le processus de compression par compression des paramètres d’encodage avant la transmission
H04N 19/593 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif mettant en œuvre des techniques de prédiction spatiale
11.
INTRA-PREDICTION MODE DERIVATION FOR COLOR SIGNALS, WHEREBY THE SIGNALS MAY HAVE THE SAME OR DIFFERENT ASPECT RATIOS THAN CORRESPONDING BRIGHTNESS SIGNALS
In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-prediction mode , when aspect ratios of pixels of the brightness signal and the color-difference signal are different from each other, a bitstream generator 113 converts a mode number of a first intra-color-difference prediction mode used when the aspect ratios are equal to each other into a scaled mode number and derives a second intra-color-difference prediction mode used when the aspect ratios are different from each other .
H04N 19/159 - Type de prédiction, p.ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
H04N 19/50 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif
INTRA-PREDICTION MODE DEVIATION FOR COLOR SIGNALS, WHEREBY THE SIGNALS MAY HAVE THE SAME OR DIFFERENT ASPECT RATIONS THAN CORRESPONDING BRIGHTNESS SIGNALS
ABSTRACT In a picture coding device for coding picture signals including a brightness signal and a color-difference signal in a block unit using intra-prediction and coding information regarding an intra-prediction mode, when aspect ratios of pixels of the brightness signal and the color-difference signal are different from each other, a bitstream generator 113 converts a mode number of a first intra-color-difference prediction mode used when the aspect ratios are equal to each other into a scaled mode number and derives a second .. intra-color-difference prediction mode used when the aspect ratios are different from each other. . Date Recue/Date Received 2020-09-09
H04N 19/159 - Type de prédiction, p.ex. prédiction intra-trame, inter-trame ou de trame bidirectionnelle
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
H04N 19/186 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une couleur ou une composante de chrominance
H04N 19/50 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif
A communications method implemented in a transmission point (TP) used in a coordinated multipoint transmission and reception (CoMP) system is disclosed. The communications method includes transmitting, to a user equipment (UE), an indication of a channel state information (CSI) process in a CSI pattern comprising a set of CSI processes, wherein the UE is configured with the CSI process for at least one of the other CSI processes in the CSI pattern, and wherein a reported rank indication (RI) for the CSI process is the same as an RI for said at least one of the other CSI processes. Other methods, apparatuses, and systems are also disclosed.
A communications method implemented in a transmission point (TP) used in a coordinated multipoint transmission and reception (CoMP) system is disclosed. The communications method includes transmitting, to a user equipment (UE), an indication of a channel state information (CSI) process in a CSI pattern comprising a set of CSI processes, wherein the UE is configured with the CSI process for at least one of the other CSI processes in the CSI pattern, and wherein a reported rank indication (RI) for the CSI process is the same as an RI for said at least one of the other CSI processes. Other methods, apparatuses, and systems are also disclosed.
15.
COORDINATED MULTIPOINT TRANSMISSION AND RECEPTION (COMP)
A communications method implemented in a transmission point (TP) used in a coordinated multipoint transmission and reception (CoMP) system is disclosed. The communications method includes transmitting, to a user equipment (UE), an indication of a channel state information (CSI) process in a CSI pattern comprising a set of CSI processes, wherein the UE is configured with the CSI process for at least one of the other CSI processes in the CSI pattern, and wherein a reported rank indication (RI) for the CSI process is the same as an RI for said at least one of the other CSI processes. Other methods, apparatuses, and systems are also disclosed.
H04B 7/024 - Utilisation coopérative d’antennes sur plusieurs sites, p.ex. dans les systèmes à plusieurs points coordonnés ou dans les systèmes coopératifs à "plusieurs entrées plusieurs sorties" [MIMO]
H04B 7/04 - Systèmes de diversité; Systèmes à plusieurs antennes, c. à d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées
16.
PICTURE DECODING DEVICE, PICTURE DECODING METHOD, AND PICTURE DECODING PROGRAM
An image coding device for dividing difference information between an image to be coded and an image to be predicted into a plurality of sub-blocks, and coding the divided sub-blocks in a predetermined order, wherein a significant sub-block information coding control unit (708) and a calculation coding unit (701) code significant sub-block information indicating whether or not all of the values of difference coefficients belonging to the sub-block are zero. A significant coefficient information coding control unit (706) and the calculation coding unit (701) code significant difference coefficient information indicating whether or not the value of the difference coefficient is zero. A difference coefficient value coding control unit (707) and the calculation coding unit (701) code the value of the difference coefficient.
H04N 19/60 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant un codage par transformée
H04N 19/136 - Caractéristiques ou propriétés du signal vidéo entrant
H04N 19/172 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant une image, une trame ou un champ
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
H04N 19/463 - Inclusion d’information supplémentaire dans le signal vidéo pendant le processus de compression par compression des paramètres d’encodage avant la transmission
17.
PICTURE DECODING DEVICE, PICTURE DECODING METHOD, PICTURE DECODING PROGRAM, PICTURE CODING DEVICE, PICTURE CODING METHOD, AND PICTURE CODING PROGRAM
[ABSTRACT] In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller (708) and a calculation encoder (701) code significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are zero. A significant coefficient information coding controller (706) and the calculation encoder (701) code significant differential coefficient information that represents whether or not the value of the differential coefficient is zero. A differential coefficient value coding controller (707) and the calculation encoder (701) code the value of the differential coefficient. Date Recue/Date Received 2021-04-08
H04N 19/59 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif mettant en œuvre un sous-échantillonnage spatial ou une interpolation spatiale, p.ex. modification de la taille de l’image ou de la résolution
H04N 19/176 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage adaptatif caractérisés par l’unité de codage, c. à d. la partie structurelle ou sémantique du signal vidéo étant l’objet ou le sujet du codage adaptatif l’unité étant une zone de l'image, p.ex. un objet la zone étant un bloc, p.ex. un macrobloc
18.
PICTURE DECODING DEVICE, PICTURE DECODING METHOD, PICTURE DECODING PROGRAM, PICTURE CODING DEVICE, PICTURE CODING METHOD, AND PICTURE CODING PROGRAM
In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller (708) and a calculation encoder (701) code significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are zero. A significant coefficient information coding controller (706) and the calculation encoder (701) code significant differential coefficient information that represents whether or not the value of the differential coefficient is zero. A differential coefficient value coding controller (707) and the calculation encoder (701) code the value of the differential coefficient.
19.
PICTURE DECODING DEVICE, PICTURE DECODING METHOD, PICTURE DECODING PROGRAM, PICTURE CODING DEVICE, PICTURE CODING METHOD, AND PICTURE CODING PROGRAM
In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller (708) and a calculation encoder (701) code significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are zero. A significant coefficient information coding controller (706) and the calculation encoder (701) code significant differential coefficient information that represents whether or not the value of the differential coefficient is zero. A differential coefficient value coding controller (707) and the calculation encoder (701) code the value of the differential coefficient.
20.
PICTURE CODING DEVICE, PICTURE CODING METHOD, AND PICTURE CODING PROGRAM
In a picture coding device that partitions differential information between a picture that is a coding target and a picture that is a prediction target into a plurality of sub blocks and codes the partitioned sub blocks in a predetermined sequence, a significant sub block information coding controller (708) and a calculation encoder (701) code significant sub block information that represents whether or not all the values of differential coefficients belonging to the sub block are zero. A significant coefficient information coding controller (706) and the calculation encoder (701) code significant differential coefficient information that represents whether or not the value of the differential coefficient is zero. A differential coefficient value coding controller (707) and the calculation encoder (701) code the value of the differential coefficient.
H04N 19/503 - Procédés ou dispositions pour le codage, le décodage, la compression ou la décompression de signaux vidéo numériques utilisant le codage prédictif mettant en œuvre la prédiction temporelle
brevets
