Inventor
KAWAMURA KEI
JP40 patents
Patents
40 patentsUS12137210B2Nov 5, 2024
Image decoding device, image decoding method, and program
KDDI CORP3 citations74
US11627311B2Apr 11, 2023
Image decoding device, image decoding method, and program
KDDI CORP4 citations74
US11438615B2Sep 6, 2022
Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance values
KDDI CORP3 citations73
US10819988B2Oct 27, 2020
Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, and computer readable storage medium
KDDI CORP3 citations73
US12518429B2Jan 6, 2026
Point-cloud decoding device, point-cloud decoding method, and program
KDDI CORP0 citations62
US12511792B2Dec 30, 2025
Point cloud decoding device, point cloud decoding method, and program
KDDI CORP0 citations62
US12439079B2Oct 7, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US12423875B2Sep 23, 2025
Point-cloud decoding device, point-cloud decoding method, and program
KDDI CORP0 citations62
US12373993B2Jul 29, 2025
Point cloud decoding device, point cloud decoding method, and program
KDDI CORP0 citations62
US12301808B2May 13, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US12277739B2Apr 15, 2025
Point-cloud decoding device, point-cloud decoding method, and program
KDDI CORP0 citations62
US12272108B2Apr 8, 2025
Point cloud decoding device, point cloud decoding method, and program
KDDI CORP0 citations62
US12238282B2Feb 25, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US12192501B2Jan 7, 2025
Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance values
KDDI CORP0 citations62
US12143629B2Nov 12, 2024
Image decoding device, image encoding device, image processing system, and program
KDDI CORP0 citations62
US12010339B2Jun 11, 2024
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US11949860B2Apr 2, 2024
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US11882308B2Jan 23, 2024
Image decoding device, image encoding device, image processing system, and program
KDDI CORP0 citations62
US11871021B2Jan 9, 2024
Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance values
KDDI CORP0 citations62
US11750829B2Sep 5, 2023
Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance values
KDDI CORP0 citations62
US11627336B2Apr 11, 2023
Image decoding device, image encoding device, image processing system, and program
KDDI CORP0 citations62
US11438625B2Sep 6, 2022
Image decoding device, image encoding device, image processing system, and program
KDDI CORP0 citations62
US11412219B2Aug 9, 2022
Image decoding device, image decoding method, and program
KDDI CORP0 citations62
US10681366B2Jun 9, 2020
Video encoding apparatus, video decoding apparatus, video compression and transmission system, video encoding method, video decoding method, and computer readable storage medium
KDDI CORP1 citations62
US12407856B2Sep 2, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations61
US12382070B2Aug 5, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations61
US12363340B2Jul 15, 2025
Image decoding device with block motion compensator and determination mechanism
KDDI CORP0 citations61
US12022113B2Jun 25, 2024
Image decoding device with block motion compensator and determination mechanism
KDDI CORP0 citations61
US11962801B2Apr 16, 2024
Image decoding device, image decoding method, and program
KDDI CORP0 citations61
US12120353B2Oct 15, 2024
Image decoding device, method, and program with prediction refinement optical flow
KDDI CORP0 citations52
US11451771B2Sep 20, 2022
Moving-image decoder using intra-prediction, moving-image decoding method using intra-prediction, moving-image encoder using intra-prediction, moving-image encoding method using intra-prediction, and computer readable recording medium
KDDI CORP0 citations52
US10027980B2Jul 17, 2018
Adaptively sub-sampling luma and chroma reference pixels in intra-frame prediction for video encoding and decoding
KDDI CORP1 citations52
US12519951B2Jan 6, 2026
Image decoding device, image decoding method, and program
KDDI CORP0 citations50
US12375725B2Jul 29, 2025
Image decoding device, image decoding method, and program
KDDI CORP0 citations50
US11463684B2Oct 4, 2022
Image decoding device, image encoding device, image processing system, image decoding method, and program
KDDI CORP0 citations50
US10819980B2Oct 27, 2020
Moving image coding device, moving image decoding device, and program
KDDI CORP0 citations41
US10757448B2Aug 25, 2020
Bitstream transformation apparatus, bitstream transformation method, distribution system, moving image encoding apparatus, moving image encoding method and computer-readable storage medium
KDDI CORP0 citations41
US10462461B2Oct 29, 2019
Coding device and decoding device which allow encoding of non-square blocks
KDDI CORP0 citations41
US10356402B2Jul 16, 2019
Video encoding device and video decoding device
KDDI CORP0 citations41
US9942563B2Apr 10, 2018
Video encoding using subsampling to reduce number of reference pixels
KDDI CORP0 citations41