Article(id=1263514354549441390, tenantId=1146029695717560320, journalId=1263187241531621409, issueId=1263514351571428296, articleNumber=null, orderNo=null, doi=10.11996/JG.j.2095-302X.2026010029, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1745856000000, receivedDateStr=2025-04-29, revisedDate=null, revisedDateStr=null, acceptedDate=1751040000000, acceptedDateStr=2025-06-28, onlineDate=1779174897086, onlineDateStr=2026-05-19, pubDate=1772208000000, pubDateStr=2026-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779174897086, onlineIssueDateStr=2026-05-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779174897086, creator=13701087609, updateTime=1779174897086, updator=13701087609, issue=Issue{id=1263514351571428296, tenantId=1146029695717560320, journalId=1263187241531621409, year='2026', volume='47', issue='1', pageStart='1', pageEnd='233', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1779174896376, creator=13701087609, updateTime=1779174963943, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1263514635077039012, tenantId=1146029695717560320, journalId=1263187241531621409, issueId=1263514351571428296, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1263514635077039013, tenantId=1146029695717560320, journalId=1263187241531621409, issueId=1263514351571428296, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=29, endPage=38, ext={EN=ArticleExt(id=1263514355367330677, articleId=1263514354549441390, tenantId=1146029695717560320, journalId=1263187241531621409, language=EN, title=Generative model based unsupervised multi-view stereo network, columnId=1263514354654262248, journalTitle=Journal of Graphics, columnName=Image Processing and Computer Vision, runingTitle=null, highlight=null, articleAbstract=
Existing research on multi-view stereo scheme utilizes depth-estimation algorithms to achieve stereo representation by establishing a mapping relationship between the physical and digital worlds. Supervised learning-based neural networks have achieved accurate and high-fidelity 3D reconstruction results through training. However, in-the-wild visual reconstruction remains challenging due to the lack of rendered depth priors and wide-baseline characteristics of images. A novel system was proposed to obtain optimized depth for naturally collected multi-view images without prior information by applying an unsupervised learning network and semantically optimized Neural Radiation Field (NeRF) rendering. First, preliminary depth information for wild multi-view images were produced without ground truth based on unsupervised deep learning. Subsequently, in a separate NeRF module, a diffusion model was used to construct a surface semantic rendering loss, enabling a fine-grained volumetric representation. Experimental results on the benchmark dataset validated the performance of the proposed system by improving an average of 24.6% of the overall metrics, compared with other state-of-the-art schemes. A novel wild wide-baseline dataset was also applied to verify the generalization performance, and the proposed system reduced the reconstruction error by up to 40.8% compared with all methods.
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现有的多视点立体视觉研究利用深度估计算法,通过建立物理世界与数字世界的映射关系来实现立体表征。基于有监督学习的神经网络算法通过训练能够取得准确且高保真的三维重建结果。然而,由于缺乏深度先验信息且图像具备大视场的特性,面向自然场景的视觉重建仍然具有挑战性。研究应用无监督学习网络和基于语义优化的神经辐射场(NeRF)渲染,在没有先验信息的情况下实现对自然采集的多视点图像的深度估计。首先通过无监督学习无参考地生成多视点图像初步的深度信息,进一步在独立的NeRF模型中,利用扩散模型建立表面语义渲染损失来实现细粒度的三维表征。在基准数据集上的实验结果表明,该方法与其他最先进的方案相比整体重建的指标平均提高了24.6%;在宽基线数据集的泛化性能验证中,该方法将现有方法测得的重建误差最多降低了40.8%。
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Point cloud results on DTU dataset ((a) Original data; (b) Depth estimation result; (c) Reconstruction result), figureFileSmall=KAoRHRGp1QK6ijDDVXIoCA==, figureFileBig=PHNEvEM/UmThEcaiCw16mg==, tableContent=null), ArticleFig(id=1263550829781443453, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=图2, caption=
DTU数据集上的点云重建结果((a) 原图;(b) 深度结果;(c) 重建结果), figureFileSmall=KAoRHRGp1QK6ijDDVXIoCA==, figureFileBig=PHNEvEM/UmThEcaiCw16mg==, tableContent=null), ArticleFig(id=1263550830469309318, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Fig. 3, caption=
Visual results of ablation study on DTU dataset ((a) Lp; (b) Lp+ LFV; (c) L and LNeRF; (d) Dataset baseline result), figureFileSmall=/VcEt95kkCAGRDn/18gtUw==, figureFileBig=I23Owt/JjeKTnaO6tnRBgg==, tableContent=null), ArticleFig(id=1263550831870206864, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=图3, caption=
DTU数据集上的消融实验可视化结果((a) Lp;(b) Lp+ LFV;(c) L和LNeRF;(d) 数据集参考结果), figureFileSmall=/VcEt95kkCAGRDn/18gtUw==, figureFileBig=I23Owt/JjeKTnaO6tnRBgg==, tableContent=null), ArticleFig(id=1263550833073972117, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Fig. 4, caption=
Point cloud results on Tanks and Temples ((a) Original data; (b) Reconstruction result), figureFileSmall=1Zt06KQxdciYCIWdc/vGVg==, figureFileBig=4ZlqYNH+qhRDB4KEdtbM+A==, tableContent=null), ArticleFig(id=1263550833510179741, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=图4, caption=
Tanks and Temples数据集上的点云重建结果((a) 原图;(b) 重建结果), figureFileSmall=1Zt06KQxdciYCIWdc/vGVg==, figureFileBig=4ZlqYNH+qhRDB4KEdtbM+A==, tableContent=null), ArticleFig(id=1263550834231600033, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Fig. 5, caption=
Point cloud results on NERULN dataset ((a) Proposed system (Full); (b) Ablation proposed system (L only); (c) Co1NeRF; (d) RC-MVSNet; (e) M3VSNet), figureFileSmall=DAu4J0dP2JDJ/aXXYclSog==, figureFileBig=UyMXl2w25YQZOoaa2lMw6g==, tableContent=null), ArticleFig(id=1263550834659419048, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=图5, caption=
NERULN数据集上的点云重建结果((a) 本文方案(完整架构);(b) 本文消融方案(只有无监督MVS网络);(c) Co1NeRF;(d) RC-MVSNet;(e) M3VSNet), figureFileSmall=DAu4J0dP2JDJ/aXXYclSog==, figureFileBig=UyMXl2w25YQZOoaa2lMw6g==, tableContent=null), ArticleFig(id=1263550835913515962, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Table 1, caption=
Parameter Optimization on DTU dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 准确率 | 完整性 | 总体指标 |
| N=3 | 0.352 | 0.276 | 0.314 |
| N=4 | 0.338 | 0.256 | 0.297 |
| N=5 | 0.337 | 0.256 | 0.295 |
| N=6 | 0.340 | 0.261 | 0.300 |
| N=7 | 0.357 | 0.284 | 0.321 |
), ArticleFig(id=1263550836500718529, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=表1, caption=
DTU数据集上的参数优化实验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 准确率 | 完整性 | 总体指标 |
| N=3 | 0.352 | 0.276 | 0.314 |
| N=4 | 0.338 | 0.256 | 0.297 |
| N=5 | 0.337 | 0.256 | 0.295 |
| N=6 | 0.340 | 0.261 | 0.300 |
| N=7 | 0.357 | 0.284 | 0.321 |
), ArticleFig(id=1263550838014862278, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Table 2, caption=
Evaluation metrics on DTU dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 准确率 | 完整性 | 总体指标 |
| Colmap[10] | 0.400 | 0.664 | 0.532 |
| MVSNet[2] | 0.396 | 0.527 | 0.462 |
| M3VSNet[3] | 0.636 | 0.531 | 0.583 |
| Unsup-MVS[17] | 0.881 | 1.073 | 0.977 |
| RC-MVSNet[20] | 0.396 | 0.295 | 0.345 |
| CL-MVSNet[5] | 0.375 | 0.283 | 0.329 |
| RA-MVSNet[31] | 0.326 | 0.268 | 0.297 |
| CT-MVSNet[19] | 0.341 | 0.264 | 0.302 |
| ColNeRF[26] | 0.384 | 0.378 | 0.381 |
| 本文方案 | 0.337 | 0.256 | 0.295 |
), ArticleFig(id=1263550838962774990, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=表2, caption=
DTU数据集上的重建性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 准确率 | 完整性 | 总体指标 |
| Colmap[10] | 0.400 | 0.664 | 0.532 |
| MVSNet[2] | 0.396 | 0.527 | 0.462 |
| M3VSNet[3] | 0.636 | 0.531 | 0.583 |
| Unsup-MVS[17] | 0.881 | 1.073 | 0.977 |
| RC-MVSNet[20] | 0.396 | 0.295 | 0.345 |
| CL-MVSNet[5] | 0.375 | 0.283 | 0.329 |
| RA-MVSNet[31] | 0.326 | 0.268 | 0.297 |
| CT-MVSNet[19] | 0.341 | 0.264 | 0.302 |
| ColNeRF[26] | 0.384 | 0.378 | 0.381 |
| 本文方案 | 0.337 | 0.256 | 0.295 |
), ArticleFig(id=1263550839797441498, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Table 3, caption=
Ablation study on DTU dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 准确率 | 完整性 | 总体指标 |
| LP | 0.432 | 0.349 | 0.391 |
| LP+LFV | 0.391 | 0.285 | 0.338 |
| L and LNeRF | 0.337 | 0.256 | 0.295 |
), ArticleFig(id=1263550840569193440, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=表3, caption=
DTU数据集上的消融实验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 准确率 | 完整性 | 总体指标 |
| LP | 0.432 | 0.349 | 0.391 |
| LP+LFV | 0.391 | 0.285 | 0.338 |
| L and LNeRF | 0.337 | 0.256 | 0.295 |
), ArticleFig(id=1263550842662151145, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Table 4, caption=
Evaluation metrics on Tanks and Temples dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | Lighthouse | Panther | Train |
| Colmap[10] | 56.43 | 46.97 | 42.04 |
| MVSNet[2] | 50.79 | 50.86 | 34.69 |
| M3VSNet[3] | 44.42 | 44.95 | 30.31 |
| Unsup-MVS[17] | 42.03 | 44.00 | 36.45 |
| RC-MVSNet[20] | 53.49 | 52.30 | 49.37 |
| CL-MVSNet[5] | 60.02 | 59.97 | 52.28 |
| RA-MVSNet[31] | 64.78 | 65.60 | 58.08 |
| CT-MVSNet[19] | 62.60 | 64.83 | 58.68 |
| ColNeRF[26] | 60.23 | 59.46 | 52.57 |
| 本文方案 | | | |
| D=128 | 61.17 | 61.20 | 53.14 |
| D=160 | 64.97 | 65.90 | 58.74 |
| D=192 | 64.89 | 65.85 | 58.71 |
), ArticleFig(id=1263550843475846131, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=表4, caption=
Tanks and Temples数据集上的重建性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | Lighthouse | Panther | Train |
| Colmap[10] | 56.43 | 46.97 | 42.04 |
| MVSNet[2] | 50.79 | 50.86 | 34.69 |
| M3VSNet[3] | 44.42 | 44.95 | 30.31 |
| Unsup-MVS[17] | 42.03 | 44.00 | 36.45 |
| RC-MVSNet[20] | 53.49 | 52.30 | 49.37 |
| CL-MVSNet[5] | 60.02 | 59.97 | 52.28 |
| RA-MVSNet[31] | 64.78 | 65.60 | 58.08 |
| CT-MVSNet[19] | 62.60 | 64.83 | 58.68 |
| ColNeRF[26] | 60.23 | 59.46 | 52.57 |
| 本文方案 | | | |
| D=128 | 61.17 | 61.20 | 53.14 |
| D=160 | 64.97 | 65.90 | 58.74 |
| D=192 | 64.89 | 65.85 | 58.71 |
), ArticleFig(id=1263550843966579705, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=EN, label=Table 5, caption=
Evaluation metrics on NERULN dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 点数量 | 面数量 | 重建 误差/px | 处理 时间/s | 模型 规模/MB |
| M3VSNet[3] | 519 291 | 103 854 | 0.284 | 354.9 | 6320 |
| RC-MVSNet[20] | 504 690 | 100 574 | 0.189 | 294.5 | 9189 |
| ColNeRF[26] | 538 372 | 119 578 | 0.204 | 341.5 | 5964 |
| 本文-L only | 530 249 | 118 988 | 0.202 | 286.7 | 5970 |
| 本文-Full | 560 560 | 130 609 | 0.168 | 321.3 | 8672 |
), ArticleFig(id=1263550844843189247, tenantId=1146029695717560320, journalId=1263187241531621409, articleId=1263514354549441390, language=CN, label=表5, caption=
NERULN数据集上的重建性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方案 | 点数量 | 面数量 | 重建 误差/px | 处理 时间/s | 模型 规模/MB |
| M3VSNet[3] | 519 291 | 103 854 | 0.284 | 354.9 | 6320 |
| RC-MVSNet[20] | 504 690 | 100 574 | 0.189 | 294.5 | 9189 |
| ColNeRF[26] | 538 372 | 119 578 | 0.204 | 341.5 | 5964 |
| 本文-L only | 530 249 | 118 988 | 0.202 | 286.7 | 5970 |
| 本文-Full | 560 560 | 130 609 | 0.168 | 321.3 | 8672 |
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