Abstract: An encoding device encodes each encoding-target block.

Abstract: The encoding device includes: a predictor configured to generate, for each component, a prediction block corresponding to an encoding-target block; a residual generator configured to generate, for each component, a prediction residual representing a difference between the encoding-target block and the prediction block; a mode selector configured to select one mode either an individual encoding mode performing a transform process and a quantization process on a prediction residual of the first component and a prediction residual of the second component for each single component, or a joint encoding mode performing a transform process and a quantization process on a joint prediction residual generated from the prediction residual of the first component and the prediction residual of the second component; a quantization controller configured to determine a quantization matrix to be applied in the quantization process based on the mode selected by the mode selector.

Abstract: An encoding device encodes each encoding-target block.

Abstract: An encoding device includes: a quantizer configured to perform a quantization process; a loop filter configured to perform an adaptive loop filter process; and an entropy encoder configured to output a bit stream including an adaptive parameter set. The adaptive parameter set includes encoding tool type information indicating which parameter of parameter candidates including one of a scaling list parameter including a parameter of a scaling list that controls the quantization process and an adaptive loop filter parameter including a parameter of a filter coefficient used in the adaptive loop filter process is included in the adaptive parameter set, and a chrominance parameter present flag indicating whether or not a parameter for a chrominance signal is present in the adaptive parameter set, and the chrominance parameter present flag is applied in common to the scaling list parameter and the adaptive loop filter parameter.

Abstract: An image encoding device (1) includes the cross-component intra predictor (171a) generates a predicted chroma block through cross-component intra prediction in which a chroma block to be encoded is predicted by referring to, as the neighbouring decoded pixels adjacent to the chroma block, decoded luminance pixels and decoded chroma pixels, a candidate generator (181) configured to generate candidates for an orthogonal transform type to be applied to orthogonal transform processing on prediction residuals that represent errors between the predicted chroma block and the chroma block; and a transformer (121) configured to perform the orthogonal transform processing on the chroma prediction residuals by using an orthogonal transform type selected from among the candidates generated by the candidate generator (181).

Abstract: An encoding device 1 includes: a merge predictor 181a configured to generate area prediction images using motion vectors of a plurality of divided areas obtained by dividing an encoding-target block and merge areas at boundaries of a plurality of the generated area prediction images through weighted averaging to generate a prediction block of the encoding-target block: and a filter controller 161 configured to control the deblocking filter based on a position of a merged area merged by the merge predictor 181a through the weighted averaging.

Abstract: An encoding device that performs encoding on each of blocks obtained by dividing an image includes: a weighted bi-predictor 181a configured to generate a prediction block of an encoding-target block by weighted-averaging a plurality of reference images using weighted coefficients selected from a weighted coefficient set including a plurality of weighted coefficients; and a filter controller 161 configured to control deblocking filter based on the weighted coefficients applied by the weighted bi-predictor 181a to each of the two blocks adjacent blocks.

Abstract: An image encoding device encodes a block-based target image. The image encoding device comprises, in a transform skip mode in which orthogonal transform processing of the target image is skipped, a motion compensation predictor configured to generate a prediction image corresponding to the target image by performing motion compensation prediction using a plurality of reference images, an evaluator configured to evaluate a degree of similarity between the plurality of reference images on a pixel-by-pixel basis, a subtractor configured to calculate prediction residuals each indicating a difference between the target image and the prediction image on a pixel-by-pixel basis, a rearranger configured to rearrange the prediction residuals based on a result of evaluation by the evaluator and an encoder configured to encode the prediction residuals rearranged by the rearranger.

Abstract: An image coding device is provided with a determination unit which determines whether to apply an orthogonal transform to a transform block obtained by dividing a prediction difference signal indicating a difference between an input image and a predicted image or perform a transform skip by which the orthogonal transform is not applied, and an orthogonal transform unit which performs processing selected on the basis of the determination, the image coding device comprising a quantization unit which, when the transform skip is selected on the basis of the determination, quantizes the transform block using a first quantization matrix in which the quantization roughnesses of all elements previously shared with a decoding side are equal, and when the orthogonal transform is applied to the transform block on the basis of the determination, quantizes the transform block using the first quantization matrix or a second quantization matrix that is transmitted to the decoding side.

Abstract: An intra prediction device performing intra prediction on a luminance block and a chrominance block includes: a chrominance candidate specifier configured to specify a mode number of an intra prediction mode applied to the luminance block corresponding to the chrominance block as one of candidates for an intra prediction mode to be applied to the chrominance block; and a chrominance prediction mode converter configured to convert the mode number before conversion specified by the chrominance candidate specifier using a conversion table and output a mode number after conversion. In the conversion table, for directional prediction, a given number of mode numbers in ascending order of the mode number among the mode numbers before conversion are associated with a given number of mode numbers in descending order of the mode number among the mode numbers after conversion.

Abstract: An encoding device comprises: a transformer/quantizer configured to perform a transform process and a quantization process on a residual signal that represents a difference between an encoding-target block and a prediction block obtained by predicting the encoding-target block; an inverse quantizer/inverse transformer configured to restore the residual signal by performing an inverse quantization process and an inverse transform process on transform coefficients obtained by the transformer/quantizer; a combiner configured to reconstruct the encoding-target block by combining the restored residual signal and the prediction block; a deblocking filter configured to perform a filter process on a boundary between two blocks including the reconstructed block and a block adjacent to the reconstructed block; and a filter controller configured to control the deblocking filter, based on a type of the transform process applied with respect to the two blocks.

Abstract: An encoding device 1 includes: a transformation unit 13 configured to calculate an orthogonal transform coefficient by performing an orthogonal transformation process on a residual image indicating a difference between the input image and a predicted image of the input image; a quantization unit 14 configured to generate a quantization coefficient by quantizing the orthogonal transform coefficient on the basis of a quantization parameter; an entropy encoding unit 24 configured to generate encoded data by encoding the quantization coefficient; an image decoding unit 10 configured to restore an orthogonal transform coefficient from the quantization coefficient on the basis of the quantization parameter and generate a reconstructed image by adding the predicted image to a residual image restored by performing inverse orthogonal transformation on the orthogonal transform coefficient; and a deblocking filtering unit 18 configured to perform a filtering process on the reconstructed image, wherein the deblocking fil

Abstract: An image encoding device encodes a block-based target image. The image encoding device comprises, in a transform skip mode in which orthogonal transform processing of the target image is skipped, a motion compensation predictor configured to generate a prediction image corresponding to the target image by performing motion compensation prediction using a plurality of reference images, an evaluator configured to evaluate a degree of similarity between the plurality of reference images on a pixel-by-pixel basis, a subtractor configured to calculate prediction residuals each indicating a difference between the target image and the prediction image on a pixel-by-pixel basis, a rearranger configured to rearrange the prediction residuals based on a result of evaluation by the evaluator and an encoder configured to encode the prediction residuals rearranged by the rearranger.

Abstract: It is possible to reduce an increase in entropy even if a reference pixel of a lower side or a right side is used in intra prediction. An encoding device 1 according to the present invention includes: an intra predictor 14a configured to generate a predicted image by using an intra prediction mode; a residual signal generator 14b configured to generate a residual signal from a difference between the predicted image and an original image; and an orthogonal transformer 14c configured to, when the intra predictor 14a generates the predicted image by using a reference pixel positioned on at least one of a right side and a lower side, perform orthogonal transformation processing on the residual signal after inverting a basis of at least one of a horizontal direction and a vertical direction.

Abstract: An image coding device is provided with a determination unit which determines whether to apply an orthogonal transform to a transform block obtained by dividing a prediction difference signal indicating a difference between an input image and a predicted image or perform a transform skip by which the orthogonal transform is not applied, and an orthogonal transform unit which performs processing selected on the basis of the determination, the image coding device comprising a quantization unit which, when the transform skip is selected on the basis of the determination, quantizes the transform block using a first quantization matrix in which the quantization roughnesses of all elements previously shared with a decoding side are equal, and when the orthogonal transform is applied to the transform block on the basis of the determination, quantizes the transform block using the first quantization matrix or a second quantization matrix that is transmitted to the decoding side.

Abstract: An image encoding device 1 that encodes an encoding target block obtained by dividing an image, the image encoding device including: an intra predictor 172 configured to predict the encoding target block through intra prediction to generate a prediction block; and a transformer 121 configured to perform orthogonal transform processing on a prediction residual representing an error of the prediction block with respect to the encoding target block. The intra predictor includes: a weighted controller 172c configured to control the weighted combining processing dependent on positions of prediction pixels within the prediction block based on a type of transform to be applied in the orthogonal transform processing in the transformer; and a corrector 172b configured to correct the prediction pixels by performing the weighted combining processing on reference pixels adjacent to the encoding target block and the prediction pixels.

Abstract: An encoding device 1 includes: a transformation unit 13 configured to calculate an orthogonal transform coefficient by performing an orthogonal transformation process on a residual image indicating a difference between the input image and a predicted image of the input image; a quantization unit 14 configured to generate a quantization coefficient by quantizing the orthogonal transform coefficient on the basis of a quantization parameter; an entropy encoding unit 24 configured to generate encoded data by encoding the quantization coefficient; an image decoding unit 10 configured to restore an orthogonal transform coefficient from the quantization coefficient on the basis of the quantization parameter and generate a reconstructed image by adding the predicted image to a residual image restored by performing inverse orthogonal transformation on the orthogonal transform coefficient; and a deblocking filtering unit 18 configured to perform a filtering process on the reconstructed image, wherein the deblocking fil

Abstract: An organic thin film that imparts an excellent electron injection property when it is used as an electron injection layer of an organic EL device and a method for producing the organic thin film are provided. An organic thin film at least includes: a first material which is an organic material having an acid dissociation constant pKa of 1 or greater; and a second material which transports an electron. The first material is at least one selected from the group consisting of tertiary amines, phosphazene compounds, guanidine compounds, heterocyclic compounds containing an amidine structure, hydrocarbon compounds having a ring structure, and ketone compounds.

Abstract: The present invention provides an organic electroluminescence device having excellent luminous efficiency and excellent luminance. The present invention relates to an organic electroluminescence device including a structure in which a plurality of layers is laminated between an anode and a cathode formed on a substrate; wherein the organic electroluminescence device includes a metal oxide layer between the anode and the cathode; and a nitrogen-containing film layer having an average thickness of not less than 0.1 nm but less than 3 nm adjacent to the metal oxide layer and disposed on an anode side.

Abstract: An image encoding device 1 of the present disclosure includes a neighboring pixel non-reference predictor 11 configured to generate a predicted image by a predetermined neighboring pixel non-reference prediction for each pixel signal of an original image in a block unit, a filter processor 12 configured to perform a low-pass filter process on a prediction signal located at a boundary of a block of the predicted image by using a decoded neighboring signal neighboring to the predicted image under a predetermined control, a prediction residual signal generator 55 configured to generate a prediction residual signal of the block unit by using the predicted image, an orthogonal transformer 14 configured to perform an orthogonal transformation process on the prediction residual signal of the block unit under the predetermined control, and an orthogonal transformation selection controller 25 configured to control the filter processor 12 and the orthogonal transformer 14 and generate a predetermined transformation typ