SG11202102908YA - Image signal encoding/decoding method and apparatus therefor - Google Patents
Image signal encoding/decoding method and apparatus thereforInfo
- Publication number
- SG11202102908YA SG11202102908YA SG11202102908YA SG11202102908YA SG11202102908YA SG 11202102908Y A SG11202102908Y A SG 11202102908YA SG 11202102908Y A SG11202102908Y A SG 11202102908YA SG 11202102908Y A SG11202102908Y A SG 11202102908YA SG 11202102908Y A SG11202102908Y A SG 11202102908YA
- Authority
- SG
- Singapore
- Prior art keywords
- image signal
- decoding method
- signal encoding
- apparatus therefor
- therefor
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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- H—ELECTRICITY
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/513—Processing of motion vectors
- H04N19/517—Processing of motion vectors by encoding
- H04N19/52—Processing of motion vectors by encoding by predictive encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
- H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20180114347 | 2018-09-21 | ||
| KR20180114345 | 2018-09-21 | ||
| KR20180114346 | 2018-09-21 | ||
| KR20180114350 | 2018-09-21 | ||
| KR20190022754 | 2019-02-26 | ||
| PCT/KR2019/012291 WO2020060328A1 (ko) | 2018-09-21 | 2019-09-20 | 영상 신호 부호화/복호화 방법 및 이를 위한 장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11202102908YA true SG11202102908YA (en) | 2021-04-29 |
Family
ID=69887731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11202102908YA SG11202102908YA (en) | 2018-09-21 | 2019-09-20 | Image signal encoding/decoding method and apparatus therefor |
Country Status (17)
| Country | Link |
|---|---|
| US (6) | US11290737B2 (enExample) |
| EP (2) | EP4340356A3 (enExample) |
| JP (3) | JP7451504B2 (enExample) |
| KR (3) | KR102948043B1 (enExample) |
| CN (8) | CN121284267A (enExample) |
| AU (3) | AU2019343079B2 (enExample) |
| BR (1) | BR112021005161A2 (enExample) |
| CA (1) | CA3113584C (enExample) |
| ES (1) | ES2985892T3 (enExample) |
| IL (2) | IL281629B2 (enExample) |
| MX (5) | MX2021003321A (enExample) |
| MY (1) | MY206350A (enExample) |
| PH (1) | PH12021550644A1 (enExample) |
| PL (1) | PL3843402T3 (enExample) |
| SG (1) | SG11202102908YA (enExample) |
| WO (1) | WO2020060328A1 (enExample) |
| ZA (1) | ZA202102080B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117201787A (zh) * | 2018-09-11 | 2023-12-08 | Lg电子株式会社 | 图像解码方法、图像编码方法和比特流发送方法 |
| PL3843402T3 (pl) * | 2018-09-21 | 2024-06-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Sposób kodowania/dekodowania sygnału obrazu i urządzenie do nich |
| EP4307673A3 (en) * | 2018-12-21 | 2024-02-14 | Huawei Technologies Co., Ltd. | Method and apparatus of mode- and size-dependent block-level restrictions |
| CN113557719B (zh) * | 2019-03-11 | 2023-09-12 | 日本放送协会 | 图像编码装置、图像解码装置和程序 |
| US11910011B2 (en) * | 2019-03-22 | 2024-02-20 | Lg Electronics Inc. | Intra prediction-based image decoding method and device therefor in image coding system |
| KR20210145754A (ko) | 2019-04-12 | 2021-12-02 | 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 | 행렬 기반 인트라 예측에서의 산출 |
| CN113748676B (zh) | 2019-04-16 | 2024-05-10 | 北京字节跳动网络技术有限公司 | 帧内编解码模式下的矩阵推导 |
| CN113728647B (zh) | 2019-05-01 | 2023-09-05 | 北京字节跳动网络技术有限公司 | 基于矩阵的帧内预测的上下文编码 |
| SG11202112517QA (en) | 2019-05-22 | 2021-12-30 | Beijing Bytedance Network Technology Co Ltd | Matrix-based intra prediction using upsampling |
| CN114051735B (zh) | 2019-05-31 | 2024-07-05 | 北京字节跳动网络技术有限公司 | 基于矩阵的帧内预测中的一步下采样过程 |
| JP2022534320A (ja) | 2019-06-05 | 2022-07-28 | 北京字節跳動網絡技術有限公司 | マトリクスベースイントラ予測のためのコンテキスト決定 |
| CN119402667B (zh) * | 2019-07-07 | 2026-02-03 | Oppo广东移动通信有限公司 | 图像预测方法、编码器、解码器以及存储介质 |
| KR20260003392A (ko) | 2019-10-28 | 2026-01-06 | 두인 비전 컴퍼니 리미티드 | 색상 성분에 기초한 신택스 시그널링 및 파싱 |
| WO2021193775A1 (ja) * | 2020-03-27 | 2021-09-30 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置、復号装置、符号化方法、および復号方法 |
| CN114556943B (zh) * | 2020-04-03 | 2024-08-23 | Oppo广东移动通信有限公司 | 变换方法、编码器、解码器以及存储介质 |
| CN113852816A (zh) * | 2021-09-28 | 2021-12-28 | 浙江大华技术股份有限公司 | 视频帧处理方法、装置、计算机设备和可读存储介质 |
| EP4445610A4 (en) * | 2021-12-09 | 2026-01-14 | Mediatek Inc | METHOD AND APPARATUS FOR ENCODING TRANSFORM COEFFICIENT SIGNS IN A VIDEO ENCODING SYSTEM |
| WO2023114362A1 (en) * | 2021-12-16 | 2023-06-22 | Beijing Dajia Internet Information Technology Co., Ltd. | Methods and devices for candidate derivation for affine merge mode in video coding |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101457894B1 (ko) | 2009-10-28 | 2014-11-05 | 삼성전자주식회사 | 영상 부호화 방법 및 장치, 복호화 방법 및 장치 |
| CN107071460B (zh) * | 2010-12-14 | 2020-03-06 | M&K控股株式会社 | 用于编码运动画面的设备 |
| FR2982447A1 (fr) * | 2011-11-07 | 2013-05-10 | France Telecom | Procede de codage et decodage d'images, dispositif de codage et decodage et programmes d'ordinateur correspondants |
| US9191670B2 (en) | 2012-01-17 | 2015-11-17 | Qualcomm Incorporated | Throughput improvement for CABAC coefficient level coding |
| CN108449602A (zh) * | 2012-01-19 | 2018-08-24 | 寰发股份有限公司 | 编码块旗标的编码及视频比特流的解码方法与装置 |
| EP4258663B1 (en) | 2012-01-20 | 2024-10-02 | Velos Media International Limited | Multiple sign bit hiding within a transform unit |
| US9008184B2 (en) * | 2012-01-20 | 2015-04-14 | Blackberry Limited | Multiple sign bit hiding within a transform unit |
| WO2013116849A1 (en) | 2012-02-04 | 2013-08-08 | General Instrument Corporation | Devices and methods for context reduction in last significant coefficient position coding |
| US9313498B2 (en) * | 2012-04-16 | 2016-04-12 | Qualcomm Incorporated | Sign hiding techniques for quantized transform coefficients in video coding |
| US9294779B2 (en) | 2012-06-15 | 2016-03-22 | Blackberry Limited | Multi-bit information hiding using overlapping subsets |
| US20140003530A1 (en) | 2012-06-28 | 2014-01-02 | Qualcomm Incorporated | Sign hiding techniques for quantized transform coefficients in video coding |
| CN103796014A (zh) * | 2012-10-31 | 2014-05-14 | 朱洪波 | 条件于系数数目的自适应插值滤波器编码 |
| WO2017043760A1 (ko) * | 2015-09-08 | 2017-03-16 | 삼성전자 주식회사 | 엔트로피 부호화 및 복호화를 위한 장치 및 방법 |
| US20190158870A1 (en) * | 2016-01-07 | 2019-05-23 | Mediatek Inc. | Method and apparatus for affine merge mode prediction for video coding system |
| WO2017188739A1 (ko) * | 2016-04-29 | 2017-11-02 | 세종대학교 산학협력단 | 영상 신호 부호화 및 복호화 방법과 장치 |
| EP3264763A1 (en) | 2016-06-29 | 2018-01-03 | Thomson Licensing | Method and apparatus for improved significance flag coding using simple local predictor |
| CN117201808A (zh) * | 2016-08-01 | 2023-12-08 | 韩国电子通信研究院 | 图像编码/解码方法和装置以及存储比特流的记录介质 |
| US10448010B2 (en) * | 2016-10-05 | 2019-10-15 | Qualcomm Incorporated | Motion vector prediction for affine motion models in video coding |
| KR20180089290A (ko) * | 2017-01-31 | 2018-08-08 | 세종대학교산학협력단 | 영상의 부호화/복호화 방법 및 장치 |
| US11019346B2 (en) * | 2018-07-02 | 2021-05-25 | Qualcomm Incorporated | Coefficient coding with grouped bypass remaining levels for dependent quantization |
| EP3818703A1 (en) * | 2018-07-02 | 2021-05-12 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Entropy coding of transform coefficients suitable for dependent scalar quantization |
| US11405650B2 (en) * | 2018-08-22 | 2022-08-02 | Hfi Innovation Inc. | Method and apparatus of transform coefficient coding |
| US11483575B2 (en) * | 2018-08-24 | 2022-10-25 | Hfi Innovation Inc. | Coding transform coefficients with throughput constraints |
| US11336918B2 (en) * | 2018-09-05 | 2022-05-17 | Qualcomm Incorporated | Regular coded bin reduction for coefficient coding |
| CN116723334A (zh) * | 2018-09-20 | 2023-09-08 | Lg电子株式会社 | 图像解码设备、图像编码设备和比特流发送设备 |
| PL3843402T3 (pl) * | 2018-09-21 | 2024-06-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Sposób kodowania/dekodowania sygnału obrazu i urządzenie do nich |
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2019
- 2019-09-20 PL PL19862684.8T patent/PL3843402T3/pl unknown
- 2019-09-20 MX MX2021003321A patent/MX2021003321A/es unknown
- 2019-09-20 CN CN202511780208.4A patent/CN121284267A/zh active Pending
- 2019-09-20 IL IL281629A patent/IL281629B2/en unknown
- 2019-09-20 CN CN202511780090.5A patent/CN121284266A/zh active Pending
- 2019-09-20 WO PCT/KR2019/012291 patent/WO2020060328A1/ko not_active Ceased
- 2019-09-20 CN CN202310145089.XA patent/CN116320397B/zh active Active
- 2019-09-20 CN CN202511780055.3A patent/CN121531140A/zh active Pending
- 2019-09-20 BR BR112021005161-9A patent/BR112021005161A2/pt unknown
- 2019-09-20 ES ES19862684T patent/ES2985892T3/es active Active
- 2019-09-20 SG SG11202102908YA patent/SG11202102908YA/en unknown
- 2019-09-20 AU AU2019343079A patent/AU2019343079B2/en active Active
- 2019-09-20 CN CN202110448321.8A patent/CN113225561B/zh active Active
- 2019-09-20 KR KR1020190116384A patent/KR102948043B1/ko active Active
- 2019-09-20 CN CN202511779971.5A patent/CN121262380A/zh active Pending
- 2019-09-20 IL IL304931A patent/IL304931A/en unknown
- 2019-09-20 EP EP24156101.8A patent/EP4340356A3/en active Pending
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- 2019-09-20 EP EP19862684.8A patent/EP3843402B1/en active Active
- 2019-09-20 MY MYPI2021001508A patent/MY206350A/en unknown
- 2019-09-20 CN CN201980058803.3A patent/CN112956200A/zh active Pending
- 2019-09-20 CN CN202511780008.9A patent/CN121397238A/zh active Pending
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2021
- 2021-03-18 US US17/205,974 patent/US11290737B2/en active Active
- 2021-03-19 PH PH12021550644A patent/PH12021550644A1/en unknown
- 2021-03-19 MX MX2024013519A patent/MX2024013519A/es unknown
- 2021-03-19 MX MX2024013520A patent/MX2024013520A/es unknown
- 2021-03-19 MX MX2024013518A patent/MX2024013518A/es unknown
- 2021-03-19 MX MX2024013522A patent/MX2024013522A/es unknown
- 2021-03-26 ZA ZA2021/02080A patent/ZA202102080B/en unknown
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2022
- 2022-01-28 US US17/649,216 patent/US12294732B2/en active Active
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2023
- 2023-05-24 AU AU2023203259A patent/AU2023203259B2/en active Active
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2024
- 2024-03-06 JP JP2024034202A patent/JP7661557B2/ja active Active
- 2024-12-10 AU AU2024278251A patent/AU2024278251A1/en active Pending
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2025
- 2025-03-21 US US19/087,265 patent/US20250220217A1/en active Pending
- 2025-03-31 JP JP2025058428A patent/JP7821351B2/ja active Active
- 2025-09-19 US US19/334,661 patent/US20260019614A1/en active Pending
- 2025-09-19 US US19/334,649 patent/US20260019613A1/en active Pending
- 2025-09-19 US US19/334,673 patent/US20260019615A1/en active Pending
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2026
- 2026-03-03 KR KR1020260038401A patent/KR20260037084A/ko active Pending
- 2026-03-03 KR KR1020260038390A patent/KR20260038883A/ko active Pending
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