5.4.14.1.1 Point Cloud Geometry Compression

Chapter Contents (Back)
Compression, Point Cloud. Point Cloud Geometry Compression.
See also Point Cloud Classification, Recognition.
See also Planar Patches from Range, Planar Surfaces.
See also Point Cloud Quality.

Mekuria, R., Blom, K., Cesar, P.,
Design, Implementation, and Evaluation of a Point Cloud Codec for Tele-Immersive Video,
CirSysVideo(27), No. 4, April 2017, pp. 828-842.
IEEE DOI 1704
Codecs BibRef

Chou, P.A., Koroteev, M., Krivokuca, M.,
A Volumetric Approach to Point Cloud Compression: Part I: Attribute Compression,
IP(29), 2020, pp. 2203-2216.
IEEE DOI 2001
Image coding, Geometry, Transforms, Octrees, Splines (mathematics), Hilbert space, Bézier volumes, counting measure BibRef

Krivokuca, M., Chou, P.A., Koroteev, M.,
A Volumetric Approach to Point Cloud Compression Part II: Geometry Compression,
IP(29), 2020, pp. 2217-2229.
IEEE DOI 2001
Bézier volumes, B-splines, wavelets, point cloud compression, geometry coding, shape coding, multiresolution representations, graph signal processing BibRef

Peixoto, E.,
Intra-Frame Compression of Point Cloud Geometry Using Dyadic Decomposition,
SPLetters(27), 2020, pp. 246-250.
IEEE DOI 2002
Point clouds, intra coder, lossless coding, arithmetic coding BibRef

Freitas, D.R.[Davi R.], Peixoto, E.[Eduardo], de Queiroz, R.L.[Ricardo L.], Medeiros, E.[Edil],
Lossy Point Cloud Geometry Compression Via Dyadic Decomposition,
ICIP20(2731-2735)
IEEE DOI 2011
Geometry, Encoding, Octrees, Bit rate, Binary trees, Transform coding, Point clouds, lossy coding, intra coder BibRef

Guarda, A.F.R.[André F. R.], Rodrigues, N.M.M.[Nuno M. M.], Pereira, F.[Fernando],
Neighborhood Adaptive Loss Function for Deep Learning-Based Point Cloud Coding With Implicit and Explicit Quantization,
MultMedMag(28), No. 3, July 2021, pp. 107-116.
IEEE DOI 2109
Encoding, Deep learning, Distortion, Geometry, Machine learning, Image coding, Point cloud coding, explicit quantization BibRef

Guarda, A.F.R.[André F. R.], Ruivo, M.[Manuel], Coelho, L.[Luís], Seleem, A.[Abdelrahman], Rodrigues, N.M.M.[Nuno M. M.], Pereira, F.[Fernando],
Deep Learning-Based Point Cloud Coding and Super-Resolution: A Joint Geometry and Color Approach,
MultMed(27), 2025, pp. 914-926.
IEEE DOI 2502
Encoding, Geometry, Image coding, Transform coding, Point cloud compression, Standards, Image color analysis, point cloud super-resolution BibRef

Guarda, A.F.R.[André F. R.], Rodrigues, N.M.M.[Nuno M. M.], Pereira, F.[Fernando],
Point Cloud Geometry and Color Coding in a Learning-Based Ecosystem for JPEG Coding Standards,
ICIP23(2585-2589)
IEEE DOI 2312
BibRef

Ruivo, M.[Manuel], Guarda, A.F.R.[André F. R.], Pereira, F.[Fernando],
Learning-Based Rate Control for Learning-Based Point Cloud Geometry Coding,
ICIP23(251-255)
IEEE DOI 2312
BibRef

Seleem, A.[Abdelrahman], Guarda, A.F.R.[André F. R.], Rodrigues, N.M.M.[Nuno M. M.], Pereira, F.[Fernando],
Deep Learning-Based Compressed Domain Point Cloud Classification,
ICIP23(2620-2624)
IEEE DOI 2312
BibRef

Ramalho, E.[Evaristo], Peixoto, E.[Eduardo], Medeiros, E.[Edil],
Silhouette 4D With Context Selection: Lossless Geometry Compression of Dynamic Point Clouds,
SPLetters(28), 2021, pp. 1660-1664.
IEEE DOI 2109
Image coding, Encoding, Transform coding, Signal processing algorithms, Codecs, Geometry, arithmetic coding BibRef

Zhu, W.J.[Wen-Jie], Xu, Y.L.[Yi-Ling], Ding, D.D.[Dan-Dan], Ma, Z.[Zhan], Nilsson, M.[Mike],
Lossy Point Cloud Geometry Compression via Region-Wise Processing,
CirSysVideo(31), No. 12, December 2021, pp. 4575-4589.
IEEE DOI 2112
Geometry, Octrees, Encoding, Transforms, Surface treatment, Transform coding, Point cloud geometry, region compression BibRef

Wang, J.Q.[Jian-Qiang], Zhu, H.[Hao], Liu, H.J.[Hao-Jie], Ma, Z.[Zhan],
Lossy Point Cloud Geometry Compression via End-to-End Learning,
CirSysVideo(31), No. 12, December 2021, pp. 4909-4923.
IEEE DOI 2112
Image coding, Geometry, Transform coding, Octrees, Transforms, end-to-end learning BibRef

Hu, Y.Y.[Yue-Yu], Yang, W.H.[Wen-Han], Ma, Z.[Zhan], Liu, J.Y.[Jia-Ying],
Learning End-to-End Lossy Image Compression: A Benchmark,
PAMI(44), No. 8, August 2022, pp. 4194-4211.
IEEE DOI 2207
Image coding, Benchmark testing, Entropy, Rate-distortion, Codecs, Transforms, Transform coding, Machine learning, image compression, transform coding BibRef

Gao, L.Y.[Lin-Yao], Fan, T.Y.[Ting-Yu], Wan, J.Q.[Jian-Qiang], Xu, Y.L.[Yi-Ling], Sun, J.[Jun], Ma, Z.[Zhan],
Point Cloud Geometry Compression Via Neural Graph Sampling,
ICIP21(3373-3377)
IEEE DOI 2201
Geometry, Convolutional codes, Measurement, Image coding, Transform coding, Euclidean distance, Point cloud geometry (PCG), point-wise convolution BibRef

Nguyen, D.T.[Dat Thanh], Quach, M.[Maurice], Valenzise, G.[Giuseppe], Duhamel, P.[Pierre],
Lossless Coding of Point Cloud Geometry Using a Deep Generative Model,
CirSysVideo(31), No. 12, December 2021, pp. 4617-4629.
IEEE DOI 2112
Octrees, Geometry, Image coding, Encoding, Context modeling, Convolutional codes, arithmetic coding BibRef

Nguyen, D.T.[Dat Thanh], Kaup, A.[André],
Learning-Based Lossless Point Cloud Geometry Coding Using Sparse Tensors,
ICIP22(2341-2345)
IEEE DOI 2211
Point cloud compression, Geometry, Image coding, Tensors, Convolution, Computational modeling, Point Cloud, SparseVoxelDNN BibRef

Song, F.[Fei], Shao, Y.T.[Yi-Ting], Gao, W.[Wei], Wang, H.Q.[Hai-Qiang], Li, T.[Thomas],
Layer-Wise Geometry Aggregation Framework for Lossless LiDAR Point Cloud Compression,
CirSysVideo(31), No. 12, December 2021, pp. 4603-4616.
IEEE DOI 2112
Geometry, Octrees, Laser radar, Correlation, Adaptation models, Entropy coding, Layer-wise, LiDAR point cloud BibRef

Zhang, X.[Xiang], Gao, W.[Wen],
Adaptive Geometry Partition for Point Cloud Compression,
CirSysVideo(31), No. 12, December 2021, pp. 4561-4574.
IEEE DOI 2112
Encoding, Geometry, Standards, Transform coding, Video coding, Image coding, binary-tree partition BibRef

Tzamarias, D.E.O.[Dion E. O.], Chow, K.[Kevin], Blanes, I.[Ian], Serra-Sagristŕ, J.[Joan],
Fast Run-Length Compression of Point Cloud Geometry,
IP(31), 2022, pp. 4490-4501.
IEEE DOI 2207
Point cloud compression, Image coding, Geometry, Octrees, Encoding, Arithmetic, Point cloud geometry compression, context-adaptive encoder BibRef

Gu, R.B.[Rui-Bin], Wu, Q.X.[Qiu-Xia], Ng, W.W.Y.[Wing W.Y.], Xu, H.B.[Hong-Bin], Wang, Z.Y.[Zhi-Yong],
ERINet: Enhanced Rotation-Invariant Network for Point Cloud Classification,
PRL(151), 2021, pp. 180-186.
Elsevier DOI 2110
Point cloud classification, Rotation invariance, 3D Deep learning BibRef

Gu, R.B.[Rui-Bin], Wu, Q.X.[Qiu-Xia], Li, Y.Q.[Yu-Qiong], Kang, W.X.[Wen-Xiong], Ng, W.W.Y.[Wing W. Y.], Wang, Z.Y.[Zhi-Yong],
Enhanced Local and Global Learning for Rotation-Invariant Point Cloud Representation,
MultMedMag(29), No. 4, October 2022, pp. 24-37.
IEEE DOI 2301
Point cloud compression, Representation learning, Supervised learning, Perturbation methods, Unsupervised learning, Task analysis BibRef

Dang, J.S.[Ji-Sheng], Yang, J.[Jun],
LHPHGCNN: Lightweight Hierarchical Parallel Heterogeneous Group Convolutional Neural Networks for Point Cloud Scene Prediction,
ITS(23), No. 10, October 2022, pp. 18903-18915.
IEEE DOI 2210
BibRef
Earlier:
HPGCNN: Hierarchical Parallel Group Convolutional Neural Networks for Point Clouds Processing,
ACCV20(I:20-37).
Springer DOI 2103
Convolution, Point cloud compression, Encoding, Semantics, Shape, Feature extraction, 3D point cloud classification/segmentation, lightweight hierarchical parallel heterogeneous group convolutional neural network BibRef

Yu, Y.G.[You-Guang], Zhang, W.[Wei], Yang, F.Z.[Fu-Zheng], Li, G.[Ge],
Rate-Distortion Optimized Geometry Compression for Spinning LiDAR Point Cloud,
MultMed(25), 2023, pp. 2993-3005.
IEEE DOI 2309
BibRef

Nguyen, D.T.[Dat Thanh], Kaup, A.[André],
Lossless Point Cloud Geometry and Attribute Compression Using a Learned Conditional Probability Model,
CirSysVideo(33), No. 8, August 2023, pp. 4337-4348.
IEEE DOI 2308
Point cloud compression, Geometry, Octrees, Transforms, Image coding, Context modeling, Point cloud attribute coding, CNeT, G-PCC, sparse convolution BibRef

Wei, Z.W.[Zi-Wei], Niu, B.[Benben], Xiao, H.D.[Hao-Dong], He, Y.[Yun],
Isolated Points Prediction via Deep Neural Network on Point Cloud Lossless Geometry Compression,
CirSysVideo(33), No. 1, January 2023, pp. 407-420.
IEEE DOI 2301
Point cloud compression, Geometry, Feature extraction, Codes, Artificial neural networks, Predictive models, Laser radar, hierarchical feature extraction BibRef

Yu, Y.G.[You-Guang], Zhang, W.[Wei], Li, G.[Ge], Yang, F.Z.[Fu-Zheng],
A Regularized Projection-Based Geometry Compression Scheme for LiDAR Point Cloud,
CirSysVideo(33), No. 3, March 2023, pp. 1427-1437.
IEEE DOI 2303
Point cloud compression, Laser radar, Image coding, Spinning, Transform coding, Geometry, Encoding, LiDAR point cloud, regularized projection BibRef

Li, L.[Li], Li, Z.[Zhu], Liu, S.[Shan], Li, H.Q.[Hou-Qiang],
Frame-Level Rate Control for Geometry-Based LiDAR Point Cloud Compression,
MultMed(25), 2023, pp. 3855-3867.
IEEE DOI 2310
BibRef

Liu, B.[Bojun], Ma, Y.Z.[Yang-Zhi], Li, L.[Li], Liu, D.[Dong], Li, Z.[Zhu], Li, H.Q.[Hou-Qiang],
Next Bit Prediction: A Unified Lossless and Lossy Point Cloud Geometry Compression Framework,
PAMI(48), No. 5, May 2026, pp. 5371-5387.
IEEE DOI 2604
Point cloud compression, Geometry, Estimation, Encoding, Bit rate, Octrees, Laser radar, Entropy, Tensors, sparse convolution BibRef

Li, Z.H.[Ze-Hong], Zhu, J.H.[Jia-Hao], Ding, D.D.[Dan-Dan], Ma, Z.[Zhan],
Improving Occupancy Prediction for Multiscale Point Cloud Geometry Compression,
CirSysVideo(36), No. 4, April 2026, pp. 4450-4463.
IEEE DOI 2604
Point cloud compression, Encoding, Geometry, Convolutional codes, Transform coding, Correlation, Sparse approximation, conditional coding BibRef

Liu, D.Z.[Dai-Zong], Hu, W.[Wei], Li, X.[Xin],
Point Cloud Attacks in Graph Spectral Domain: When 3D Geometry Meets Graph Signal Processing,
PAMI(46), No. 5, May 2024, pp. 3079-3095.
IEEE DOI 2404
Point cloud compression, Spectral analysis, Perturbation methods, Geometry, Shape, point cloud attack BibRef

Shen, W.X.[Wen-Xiang], Zhang, B.Y.[Bao-Ye], Xu, H.[Hao], Li, X.H.[Xiao-Han], Wu, J.[Jun],
Multi-Space Point Geometry Compression With Progressive Relation-Aware Transformer,
MultMed(26), 2024, pp. 8969-8980.
IEEE DOI 2408
Point cloud compression, Transformers, Decoding, Geometry, Entropy, Encoding, Cross-attention, point cloud geometry compression, transformer BibRef

Sun, C.[Chang], Yuan, H.[Hui], Mao, X.L.[Xiao-Long], Lu, X.[Xin], Hamzaoui, R.[Raouf],
Enhancing Octree-Based Context Models for Point Cloud Geometry Compression With Attention-Based Child Node Number Prediction,
SPLetters(31), 2024, pp. 1835-1839.
IEEE DOI 2408
Context modeling, Predictive models, Point cloud compression, Probability distribution, Loss measurement, Solid modeling, point cloud geometry compression BibRef

Wei, L.[Lei], Wan, S.[Shuai], Wang, Z.C.[Zhe-Cheng], Yang, F.Z.[Fu-Zheng],
Near-Lossless Compression of Point Cloud Attribute Using Quantization Parameter Cascading and Rate-Distortion Optimization,
MultMed(26), 2024, pp. 3317-3330.
IEEE DOI 2402
Point cloud compression, Quantization (signal), Distortion, Transforms, Geometry, Encoding, Point cloud compression, rate distortion optimization BibRef

Li, D.Q.[Ding-Quan], Ma, K.[Kede], Wang, J.[Jing], Li, G.[Ge],
Hierarchical Prior-Based Super Resolution for Point Cloud Geometry Compression,
IP(33), 2024, pp. 1965-1976.
IEEE DOI Code:
WWW Link. 2403
Point cloud compression, Geometry, Superresolution, Image coding, Image reconstruction, coarse-to-fine super resolution BibRef

Wang, J.Q.[Jian-Qiang], Xue, R.X.[Rui-Xiang], Li, J.X.[Jia-Xin], Ding, D.D.[Dan-Dan], Lin, Y.[Yi], Ma, Z.[Zhan],
A Versatile Point Cloud Compressor Using Universal Multiscale Conditional Coding: Part I: Geometry,
PAMI(47), No. 1, January 2025, pp. 269-287.
IEEE DOI 2412
Point cloud compression, Geometry, Encoding, Tensors, Spatiotemporal phenomena, Correlation, Transform coding, Attribute, point cloud compression BibRef

Wang, J.Q.[Jian-Qiang], Xue, R.X.[Rui-Xiang], Li, J.X.[Jia-Xin], Ding, D.D.[Dan-Dan], Lin, Y.[Yi], Ma, Z.[Zhan],
A Versatile Point Cloud Compressor Using Universal Multiscale Conditional Coding: Part II: Attribute,
PAMI(47), No. 1, January 2025, pp. 252-268.
IEEE DOI 2412
Geometry, Point cloud compression, Encoding, Tensors, Image color analysis, Image coding, Transform coding, Attribute, point cloud compression BibRef

Vishwanath, B.[Bharath], Zhang, K.[Kai], Zhang, L.[Li],
Advances in Predictive RAHT for Geometric Point Cloud Compression,
IP(34), 2025, pp. 2926-2938.
IEEE DOI 2505
Transforms, Point cloud compression, Filtering, Decoding, Kernel, Complexity theory, Geometry, Distortion, Codecs, Octrees, Point clouds, temporal filtering BibRef

Yu, L.[Li], Zhong, H.C.[Hong-Chao], Zou, L.K.[Long-Kun], Chen, K.[Ke], Gao, P.[Pan],
Bridging Domain Gap of Point Cloud Representations via Self-Supervised Geometric Augmentation,
CirSysVideo(35), No. 5, May 2025, pp. 4846-4856.
IEEE DOI 2505
Point cloud compression, Translation, Self-supervised learning, Feature extraction, Semantics, Adaptation models, Vectors, data augmentation BibRef

Wang, X.J.[Xin-Jie], Xu, K.[Ke], Deng, B.[Bin], Guo, Y.L.[Yu-Lan], Wang, H.Y.[Han-Yun],
ASRL: Adaptive Sparse Representation Learning for LiDAR Point Cloud Geometry Compression,
SPLetters(32), 2025, pp. 3884-3888.
IEEE DOI 2511
Convolution, Transformers, Point cloud compression, Octrees, Adaptation models, Mixers, Laser radar, Indexes, point cloud geometry compression BibRef

Wang, X.J.[Xin-Jie], Zhang, Y.F.[Yi-Fan], Liu, T.[Ting], Liu, X.[Xinpu], Xu, K.[Ke], Wan, J.W.[Jian-Wei], Guo, Y.L.[Yu-Lan], Wang, H.Y.[Han-Yun],
Efficient Occupancy Prediction Guided Point Cloud Geometry Compression,
CirSysVideo(36), No. 3, March 2026, pp. 3923-3937.
IEEE DOI 2603
BibRef
Earlier:
TopNet: Transformer-Efficient Occupancy Prediction Network for Octree-Structured Point Cloud Geometry Compression,
CVPR25(27305-27314)
IEEE DOI Code:
WWW Link. 2508
Octrees, Transformers, Point cloud compression, Context modeling, Convolutional neural networks, Indexes, Geometry, Encoding, Windows. Geometry, PSNR, Transportation, Standards, point cloud geometry compression (pcgc) BibRef

Mao, X.L.[Xiao-Long], Yuan, H.[Hui], Guo, T.[Tian], Jiang, S.Q.[Shi-Qi], Hamzaoui, R.[Raouf], Kwong, S.[Sam],
SPAC: Sampling-Based Progressive Attribute Compression for Dense Point Clouds,
IP(34), 2025, pp. 2939-2953.
IEEE DOI Code:
WWW Link. 2505
Point cloud compression, Image coding, Encoding, Transform coding, Octrees, Geometry, Feature extraction, Transforms, Standards, immersive communication
See also Geometric Prior Based Deep Human Point Cloud Geometry Compression. BibRef

Zhang, Y.[Yun], Chen, F.F.[Fei-Fan], Li, N.[Na], Guo, Z.W.[Zhi-Wei], Wang, X.[Xu], Miao, F.[Fen], Kwong, S.[Sam],
Deep Learning-Based Joint Geometry and Attribute Up-Sampling for Large-Scale Colored Point Clouds,
IP(35), 2026, pp. 1305-1320.
IEEE DOI Code:
WWW Link. 2602
Point cloud compression, Geometry, Feature extraction, Correlation, Semantics, Interpolation, Image edge detection, Deep learning, deep learning
See also Geometric Prior Based Deep Human Point Cloud Geometry Compression. BibRef

Teng, Q.[Qi], Shen, L.Q.[Li-Quan], Wang, F.F.[Fei-Feng], Li, M.Y.[Meng-Yao], Chen, M.J.[Min-Jian],
Bézier Surface-Guided Sampling Space Constraint for Neural Point Cloud Geometry Compression,
SPLetters(32), 2025, pp. 2559-2563.
IEEE DOI 2507
Point cloud compression, Surface fitting, Surface reconstruction, Fitting, Geometry, Shape, Quantization (signal), Bit rate, Training, sampling space constraint BibRef

Zhou, C.[Ce], Ling, Q.[Qiang],
Dual Geometry Learning and Adaptive Sparse Attention for Point Cloud Analysis,
CirSysVideo(35), No. 9, September 2025, pp. 9075-9089.
IEEE DOI Code:
WWW Link. 2509
Point cloud compression, Feature extraction, Transformers, Geometry, Semantics, Attention mechanisms, Convolution, Training, sparse attention BibRef

Wang, Z.[Zehan], Wei, Y.X.[Yu-Xuan], Lee, J.S.[Jong-Seok], Hur, H.[Hyejung], Yuan, H.[Hui],
Chroma Subsampling for Enhanced Geometry-Based Point Cloud Compression,
SPLetters(32), 2025, pp. 3255-3259.
IEEE DOI 2509
Point cloud compression, Encoding, Image color analysis, Decoding, Transform coding, Image resolution, Entropy, Video compression, chroma subsampling BibRef

Chen, Z.[Zejia], Yuan, H.[Hui], Mekki, H.A.S.[Huda Adam Sirag], Hassan, M.M.G.[Mohanad M.G.], Zhang, G.H.[Guang-Hui],
DeepJSCC-PCG: Deep Joint Source Channel Coding for Point Cloud Geometry,
SPLetters(32), 2025, pp. 4064-4068.
IEEE DOI 2511
Point cloud compression, Feature extraction, Convolution, Octrees, Vectors, Encoding, Decoding, Semantic communication, Channel coding, deep learning BibRef

Cao, Y.[Yimo], Zhang, W.[Wei], Huo, X.[Xiao], Yang, F.Z.[Fu-Zheng],
Entropy Modeling With Voxel Grouping and Cross-Group Attention for Point Cloud Geometry Compression,
SPLetters(32), 2025, pp. 4154-4158.
IEEE DOI 2511
Point cloud compression, Encoding, Convolution, Attention mechanisms, Geometry, Correlation, Feature extraction, attention BibRef

Zhang, Y.[Yi], Zhang, W.[Wei], Ma, W.[Wanhao], Yang, F.Z.[Fu-Zheng],
Uni4DPC: A Unified 4D Sparse Tensor Network for Intra- and Inter-Frame Dynamic Point Cloud Geometry Compression,
SPLetters(32), 2025, pp. 4329-4333.
IEEE DOI 2512
Point cloud compression, Encoding, Convolution, Feature extraction, Tensors, Switches, Geometry, Solid modeling, Network architecture, bidirectional feature propagation BibRef

Zhao, P.[Pan], Yuan, H.[Hui], Tian, C.Z.[Chong-Zhen], Guo, T.[Tian], Hamzaoui, R.[Raouf], Pan, Z.[Zhigeng],
UGAE: Unified Geometry and Attribute Enhancement for G-PCC Compressed Point Clouds,
IP(35), 2026, pp. 888-903.
IEEE DOI Code:
WWW Link. 2602
Geometry, Point cloud compression, Image coding, Distortion, Feature extraction, Convolutional codes, Image reconstruction, frequency BibRef

Ma, W.[Wanhao], Zhang, W.[Wei], Wan, S.[Shuai], Yang, F.Z.[Fu-Zheng],
Deep G-PCC Geometry Preprocessing via Joint Optimization With a Differentiable Codec Surrogate for Enhanced Compression Efficiency,
IP(35), 2026, pp. 1052-1065.
IEEE DOI 2602
Point cloud compression, Image coding, Geometry, Codecs, Octrees, Decoding, Image reconstruction, Training, Rate-distortion, joint optimization BibRef

Liu, W.[Wang], Li, Z.Z.[Zhuang-Zi], Li, G.[Ge], Ma, S.W.[Si-Wei], Kwong, S.[Sam], Gao, W.[Wei],
Post-Processing Geometry Enhancement for G-PCC Compressed LiDAR via Cylindrical Densification,
IP(35), 2026, pp. 1066-1081.
IEEE DOI 2602
Point cloud compression, Laser radar, Image coding, Geometry, Distortion, Noise reduction, Convolution, Real-time systems, deep learning BibRef

Chen, M.J.[Min-Jian], Shen, L.Q.[Li-Quan], Teng, Q.[Qi], Wang, S.W.[Shi-Wei], Wang, F.F.[Fei-Feng],
DBA-PCGC: Dual-Domain Boundary Aware for Task-Friendly Point Cloud Geometry Compression,
SPLetters(33), 2026, pp. 713-717.
IEEE DOI 2602
Point cloud compression, Semantics, Chebyshev approximation, Transforms, Convolution, Nearest neighbor methods, Geometry, semantic boundary preservation BibRef

Li, X.[Xin], Li, S.H.[Shao-Hui], Dai, W.R.[Wen-Rui], Li, H.[Han], Kan, N.[Nuowen], Li, C.L.[Cheng-Lin], Zou, J.[Junni], Xiong, H.K.[Hong-Kai],
Point Cloud Attribute Compression With Geometry-Aware Lifting-Based Multiscale Networks,
CirSysVideo(36), No. 1, January 2026, pp. 1143-1159.
IEEE DOI 2602
Point cloud compression, Transforms, Geometry, Transform coding, Videos, Redundancy, Fitting, Tensors, Standards, multiscale representation BibRef

Jiang, Z.[Zhaoyi], Xu, Y.[Yi], Li, F.W.B.[Frederick W.B.], Tam, G.K.L.[Gary K.L.], Song, C.[Chao], Yang, B.[Bailin],
OctMamba: Mamba-based octree context entropy model for point cloud geometry compression,
PR(175), 2026, pp. 113113.
Elsevier DOI Code:
WWW Link. 2603
Point cloud compression, State space models, Multi-dimensional redundancy, Occupancy-probability modeling BibRef

Wang, Z.[Zehan], Guo, T.[Tian], Sun, Z.X.[Ze-Xing], Wei, Y.X.[Yu-Xuan], Liu, H.[Hao], Yuan, H.[Hui],
Layer-Based Rate-Distortion Optimized Attribute Coding for Solid Geometry-Based Point Cloud Compression,
CirSysVideo(36), No. 4, April 2026, pp. 5553-5566.
IEEE DOI 2604
Transforms, Point cloud compression, Geometry, Peer-to-peer computing, Encoding, Solids, Binary sequences, Octrees, 3D point cloud BibRef

Huo, X.[Xiao], Zhang, W.[Wei], Yang, F.Z.[Fu-Zheng],
Learned Point Cloud Attribute Compression With Cross-Scale Point Transformer and Geometry-Aware Context Prediction Entropy Model,
CirSysVideo(36), No. 4, April 2026, pp. 5538-5552.
IEEE DOI Code:
WWW Link. 2604
Point cloud compression, Convolution, Image coding, Geometry, Correlation, Feature extraction, Transformers, entropy model BibRef


Sadhu, R.[Ritwik], Pang, J.H.[Jia-Hao], Tian, D.[Dong],
Geometry Regularized Point Cloud Autoencoder,
ICIP25(623-628)
IEEE DOI 2601
Point cloud compression, Geometry, Measurement, Training, Adaptation models, Autoencoders, Probabilistic logic, Proposals, loss function BibRef

Ma, Y.Z.[Yang-Zhi], Liu, B.[Bojun], Li, L.[Li], Liu, D.[Dong], Li, Z.[Zhu],
Joint Geometry-Attribute Point Cloud Compression with Spatial Context Mining and Dual-Class Attribute Loss,
ICIP25(480-485)
IEEE DOI 2601
Point cloud compression, Geometry, Image coding, Computational modeling, Redundancy, Rate-distortion, Spatial context BibRef

Xu, H.[Hao], Zhang, X.[Xi], Wu, X.L.[Xiao-Lin],
Fast Point Cloud Geometry Compression with Context-based Residual Coding and INR-based Refinement,
ECCV24(LXVIII: 270-288).
Springer DOI 2412
BibRef

Xu, Y.Z.[Ying-Zhan], Zhang, K.[Kai], Zhang, L.[Li],
Weighted Average Prediction for Region Adaptive Hierarchical Transform in Solid Geometry Point Cloud Compression,
ICIP25(391-396)
IEEE DOI 2601
Point cloud compression, Geometry, Image coding, Image color analysis, Octrees, Transforms, Solids, Real-time systems, Average prediction BibRef

Vishwanath, B.[Bharath], Wang, W.[Wenyi], Xu, Y.Z.[Ying-Zhan], Zhang, K.[Kai], Zhang, L.[Li],
Sample Domain Prediction and Transform Skip for Region Adaptive Hierarchical Transform in Geometric Point Cloud Compression,
ICIP24(1910-1915)
IEEE DOI 2411
Point cloud compression, Solid modeling, Adaptation models, Image coding, Transform coding, Transforms, Solids, Point clouds, sample domain prediction BibRef

Zhang, Y.T.[Yu-Tong], Zhao, W.B.[Wen-Bo], Li, D.X.[Da-Xin], Jiang, J.J.[Jun-Jun], Liu, X.M.[Xian-Ming],
Context-Adaptive Entropy Model with Adapters for Lossless Point Cloud Geometry Compression,
ICIP24(3519-3525)
IEEE DOI 2411
Point cloud compression, Geometry, Adaptation models, Image coding, Predictive models, Feature extraction, Entropy, Lossless Compression BibRef

Mari, D.[Daniele], Guarda, A.F.R.[André F. R.], Rodrigues, N.M.M.[Nuno M. M.], Milani, S.[Simone], Pereira, F.[Fernando],
Point Cloud Geometry Scalable Coding with a Quality-Conditioned Latents Probability Estimator,
ICIP24(3410-3416)
IEEE DOI 2411
Point cloud compression, Geometry, Visualization, Codecs, Image coding, Scalability, Transform coding, Point cloud coding, JPEG PCC standard BibRef

Zhou, Q.Y.[Qing-Yang], Liu, S.[Shan], Kuo, C.C.J.[C.C. Jay],
GPCGC: A Green Point Cloud Geometry Coding Method,
ICIP23(480-484)
IEEE DOI 2312
BibRef

Komatsu, O.T.[Otho T.], Medeiros, E.[Edil], Alves, L.M.[Lucas M.], Peixoto, E.[Eduardo],
Multithreaded Algorithms for Lossless Intra Compression of Point Cloud Geometry Based on the Silhouette 3d Coder,
ICIP23(1880-1884)
IEEE DOI 2312
BibRef

Ma, X.Q.[Xiao-Qi], Xu, Y.Z.[Ying-Zhan], Zhang, X.F.[Xin-Feng], Tang, L.[Lv], Zhang, K.[Kai], Zhang, L.[Li],
HM-PCGC: A Human-Machine Balanced Point Cloud Geometry Compression Scheme,
ICIP23(2265-2269)
IEEE DOI 2312
BibRef

Xu, Y.Z.[Ying-Zhan], Zhang, K.[Kai], Wang, W.[Wenyi], Zhang, L.[Li],
Bi-Directional Inter-Prediction For Geometry-Based Point Cloud Compression,
ICIP22(3768-3772)
IEEE DOI 2211
Point cloud compression, Geometry, Optical fibers, Image coding, Codes, Quantization (signal), point cloud compression, Inter-EM, hierarchical QP values BibRef

Milani, S.,
A Syndrome-Based Autoencoder For Point Cloud Geometry Compression,
ICIP20(2686-2690)
IEEE DOI 2011
Decoding, Encoding, Geometry, Correlation, Convolutional codes, Image reconstruction, UNet BibRef

Chapter on Image Processing, Restoration, Enhancement, Filters, Image and Video Coding continues in
Motion and Video Coding: General .


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