Article(id=1322962977804136796, tenantId=1146029695717560320, journalId=1249024232475115590, issueId=1322962941087195876, articleNumber=null, orderNo=null, doi=10.11834/jig.250521, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1761580800000, receivedDateStr=2025-10-28, revisedDate=1772380800000, revisedDateStr=2026-03-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1793348553371, onlineDateStr=2026-10-30, pubDate=1792080000000, pubDateStr=2026-10-16, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793348553371, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793348553371, creator=13701087609, updateTime=1793348553371, updator=13701087609, issue=Issue{id=1322962941087195876, tenantId=1146029695717560320, journalId=1249024232475115590, year='2026', volume='31', issue='10', pageStart='3441', pageEnd='3818', issueExtLink='null', onlineDate='null', pubDate='1792080000000', pubDateStr='2026-10-16', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793348544618, creator='13701087609', updateTime=1793348641113, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322963345913021357, tenantId=1146029695717560320, journalId=1249024232475115590, issueId=1322962941087195876, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322963345913021358, tenantId=1146029695717560320, journalId=1249024232475115590, issueId=1322962941087195876, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3590, endPage=3605, ext={EN=ArticleExt(id=1322962978051600733, articleId=1322962977804136796, tenantId=1146029695717560320, journalId=1249024232475115590, language=EN, title=Methods and a benchmark dataset for mountain road extraction from high-resolution remote-sensing imagery: AsiaMountain-Road, columnId=1322961445507440644, journalTitle=Journal of Image and Graphics, columnName=Dataset, runingTitle=null, highlight=null, articleAbstract=
Objective Mountain roads are vital infrastructure for transportation,logistics,and socioeconomic development in remote,topographically challenging regions. They provide essential connectivity for education,healthcare,resource transport,and disaster relief,yet their construction and maintenance are extremely difficult because of steep slopes,unstable geology,and frequent natural hazards. Despite their importance,automatically extracting mountain roads from high-resolution remote-sensing imagery remains a longstanding challenge. Complex terrain introduces severe occlusion and illumination variation,while the spectral appearance of roads is easily confused with bare rock,dry riverbeds,and agricultural paths. In addition,mountain roads are typically narrow,winding,and discontinuous,which differs substantially from the wide,regular patterns found in urban or rural road networks. Existing public road-extraction datasets,such as SpaceNet and DeepGlobe,were developed primarily for flat or urbanized environments. As a result,they fail to capture the spectral,geometric,and contextual complexity of mountain roads,leading to poor generalization when deep-learning models are transferred to high-relief regions. To bridge this gap,we construct AsiaMountain-Road,the first high-resolution,multi-country benchmark dataset dedicated to mountain-road extraction,and propose a novel multi-resolution adaptive feature dual aggregation network (MR-AFDANet) to evaluate and enhance model adaptability in diverse mountainous environments.
Method The AsiaMountain-Road dataset was built from 29 high-resolution satellite-image areas selected from representative mountainous regions in 17 Asian countries,covering a total of 1 836 km² and providing detailed surface information for fine-scale mapping. All imagery underwent radiometric calibration,orthorectification,and mosaicking,followed by manual annotation by trained experts. Each region was labeled with fine-grained binary road masks to ensure pixel-level accuracy. To improve usability,auxiliary metadata,including elevation maps and land-cover references,were also provided. For algorithmic evaluation,we benchmark several mainstream deep-learning models—D-LinkNet,OareNet,C2Net,AFDANet,RCFSNet,and RS-Mamba—to assess their adaptability to mountainous terrain. Building on these findings,we propose MR-AFDANet,a model specifically designed for complex terrain mapping. MR-AFDANet uses a ResNet34 encoder as its backbone,consisting of four downsampling convolutional blocks. Each block is followed by a SEAF (spatial-enhanced adaptive feature fusion) module,which adaptively fuses intra-block and residual features while strengthening spatial information through multi-scale convolutions and attention mechanisms. In the decoder,an strip refinement attention decoder (SRADecoder) progressively fuses multi-resolution features to refine road boundaries,preserve continuity in narrow and winding segments,and suppress background noise caused by shadows and vegetation. This design enables the network to preserve thin road topology even under severe spectral interference.
Result Experimental evaluation on the AsiaMountain-Road benchmark demonstrates the substantial difficulty of road extraction in mountainous regions. Compared with urban or plain datasets,mountain imagery contains more complex topography,stronger illumination variation,and more severe occlusion from vegetation and terrain shadows,all of which significantly degrade segmentation accuracy. Across six state-of-the-art baselines,all models show varying degrees of road omission and fragmentation,particularly on narrow,winding,and shaded mountain roads. The results further show that models trained only on source-domain data struggle to generalize to the mountainous target domain because of large distributional discrepancies. Quantitative comparisons indicate that MR-AFDANet achieves the best overall performance,obtaining the highest intersection over union(IoU),F1-score,and recall among all evaluated methods. These improvements confirm that combining multi-scale feature fusion with the SRADecoder enhances both global consistency and fine-grained boundary precision. Visual analysis further verifies this advantage: MR-AFDANet produces more continuous and complete road extractions under severe occlusion,maintains connectivity along steep and curved routes,and reduces false detections on spectrally similar surfaces.
Conclusion We present AsiaMountain-Road,the first high-resolution,multi-country dataset dedicated to road extraction in mountainous regions. Covering 29 representative areas across 17 Asian countries,it provides detailed road-mask annotations together with auxiliary contextual and topographic data,filling an important gap in current remote-sensing resources. Baseline experiments show that existing state-of-the-art methods struggle with narrow,winding,and occluded roads in complex terrain. To address these challenges,MR-AFDANet integrates SEAF modules,a dual-resolution feature-fusion mechanism,and the SRADecoder to recover thin road structures more precisely and improve robustness across highly variable mountain landscapes. Overall,AsiaMountain-Road narrows the gap between real-world geospatial challenges and current computer-vision capabilities by offering both a demanding benchmark for algorithmic innovation and a valuable resource for applied geospatial analysis. The dataset and code associated with this paper are available at https://cstr.cn/31253.11.sciencedb.j00240.00109 and https://github.com/wyl-ucas/AsianMountain-DataSet.
, authors=Yilin Wang1
, 2, Yu Meng1
, 2
, *, Zhihao Xi1, Yupeng Deng1, Diyou Liu1, Jingbo Chen1
, 2, authorsList=Yilin Wang, Yu Meng, Zhihao Xi, Yupeng Deng, Diyou Liu, Jingbo Chen, authorCompany=null, correspAuthors=Yu Meng, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322962984611492204, articleId=1322962977804136796, tenantId=1146029695717560320, journalId=1249024232475115590, language=CN, title=高分辨率遥感影像山区道路提取方法与基准数据集:AsiaMountain-Road, columnId=1322961445683601414, journalTitle=中国图象图形学报, columnName=数据集, runingTitle=null, highlight=null, articleAbstract=
目的 针对高分辨率遥感影像中山区道路因地形复杂、形态多样及背景干扰严重而难以准确提取的问题,以及现有道路提取数据集对山区道路适应性不足的现状,构建了首个覆盖亚洲多国典型山区的高分辨率遥感影像山区道路数据集(AsiaMountain-Road),并提出多分辨率自适应双聚合网络(multi-resolution adaptive feature dual aggregation network,MR-AFDANet)以支持山区道路自动提取算法的研究与应用。
方法 数据集从亚洲多国典型山区选取了29个高分辨率遥感影像区域,总覆盖面积达1 836 km²。结合道路稀疏、弯曲以及遮挡等复杂场景特征进行采样与标注,最终形成涵盖多种地貌和道路类型的山区道路影像与精细标注。基于该数据集,对多种主流遥感道路提取算法进行了系统基准评测,并验证了所提MR-AFDANet模型在复杂山区环境下的分割性能。
结果 实验表明,现有主流道路提取方法在AsiaMountain-Road数据集上表现出显著差异,其性能受到山区道路狭窄、弯曲、遮挡及多尺度特征的影响较大。该数据集有效揭示了现有算法在复杂山区环境中的局限性,并为算法鲁棒性提升与结构优化提供了基准支持。
, authors=王怡琳1
, 2, 孟瑜1
, 2
, *, 席智浩1, 邓毓弸1, 刘帝佑1, 陈静波1
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1 Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China
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1 中国科学院空天信息创新研究院,北京 100094
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1 Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China
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1 中国科学院空天信息创新研究院,北京 100094
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席智浩,男,助理研究员,主要研究方向为计算机视觉、领域自适应和遥感图像解译。E-mail: xizh@aircas.ac.cn
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邓毓弸,男,特别研究助理,主要研究方向为遥感与变化检测。E-mail: dengyp@aircas.ac.cn
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1 Aerospace Information Research Institute,Chinese Academy of Sciences,Beijing 100094,China), AuthorCompanyExt(id=1322962984888316271, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, companyId=1322962984871539053, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中国科学院空天信息创新研究院,北京 100094)]), AuthorCompany(id=1322962984963813744, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, xref=2, ext=[AuthorCompanyExt(id=1322962984972202353, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, companyId=1322962984963813744, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 School of Electronic,Electrical and Communication Engineering,University of Chinese Academy of Sciences,Beijing 100049,China), AuthorCompanyExt(id=1322962984980590962, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, companyId=1322962984963813744, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 中国科学院大学电子电气与通信工程学院,北京 100049)])], figs=[ArticleFig(id=1322962988814184862, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.1, caption=
Data annotation flowchart, figureFileSmall=d+lFqTUfWzbFSxIW692TwA==, figureFileBig=oMcE+c7DldycO97WGlDtGg==, tableContent=null), ArticleFig(id=1322962988885488031, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图1, caption=
数据标注流程, figureFileSmall=d+lFqTUfWzbFSxIW692TwA==, figureFileBig=oMcE+c7DldycO97WGlDtGg==, tableContent=null), ArticleFig(id=1322962989074231712, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.2, caption=
Examples of images and their annotations in the AsiaMountain-Road dataset, figureFileSmall=BPQIsaxrHF4Ddb+qTNeunA==, figureFileBig=fTAeZMUerE5Fc7+rv7DzIw==, tableContent=null), ArticleFig(id=1322962989166506401, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图2, caption=
AsiaMountain-Road数据集部分影像及其对应的标注示例, figureFileSmall=BPQIsaxrHF4Ddb+qTNeunA==, figureFileBig=fTAeZMUerE5Fc7+rv7DzIw==, tableContent=null), ArticleFig(id=1322962989330084258, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.3, caption=
Examples of challenges faced by the AsiaMountain-Road dataset ((a) image inconsistency caused by pronounced terrain relief; (b) roads exhibit complex morphology and poor structural connectivity; (c) the extreme sparsity of road samples leads to severe class imbalance; (d) roads exhibit high spectral similarity with natural backgrounds), figureFileSmall=Ba/NLhQXx42u0xfhiW0G/A==, figureFileBig=Fk2nuJ0hMyAni5IWDwMjOw==, tableContent=null), ArticleFig(id=1322962989409776035, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图3, caption=
AsiaMountain-Road数据集所面临的挑战示例, figureFileSmall=Ba/NLhQXx42u0xfhiW0G/A==, figureFileBig=Fk2nuJ0hMyAni5IWDwMjOw==, tableContent=null), ArticleFig(id=1322962989481079204, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.4, caption=
The network architecture of MR-AFDANet, figureFileSmall=VsKQg/Y0XCRDalcEQVIGLQ==, figureFileBig=PpDJm1d3cjkCTssbO1Aijg==, tableContent=null), ArticleFig(id=1322962989569159589, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图4, caption=
MR-AFDANet网络架构, figureFileSmall=VsKQg/Y0XCRDalcEQVIGLQ==, figureFileBig=PpDJm1d3cjkCTssbO1Aijg==, tableContent=null), ArticleFig(id=1322962989640462758, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.5, caption=
Inference results obtained on the AsiaMountain-Road test set for models trained on the DeepGlobe dataset ((a) true images;(b) ground truths(GT);(c) D-LinkNet;(d) OareNet;(e) RCFSNet;(f) C2Net;(g) AFDANet;(h) RS-Mamba;(i) ours), figureFileSmall=4T8kktlzH8GjsEMGOMVxxA==, figureFileBig=tgwKbLE/d3zoMCWgOroU0Q==, tableContent=null), ArticleFig(id=1322962989732737447, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图5, caption=
在DeepGlobe数据集上训练的模型在AsiaMountain-Road测试集上获得的推理结果, figureFileSmall=4T8kktlzH8GjsEMGOMVxxA==, figureFileBig=tgwKbLE/d3zoMCWgOroU0Q==, tableContent=null), ArticleFig(id=1322962989795652008, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.6, caption=
Qualitative results of different road extraction methods on the AsiaMountain-Road dataset, figureFileSmall=TulcbgrhC//fv+9b5Q97uQ==, figureFileBig=7iJoiS+wz/gsiP8koE4B2g==, tableContent=null), ArticleFig(id=1322962989871149481, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图6, caption=
不同道路提取方法在AsiaMountain-Road数据集的定性结果((a) true images;(b) GT;(c) D-LinkNet;(d) OareNet;(e) RCFSNet;(f) C2Net;(g) AFDANet;(h) RS-Mamba;(i) ours)
, figureFileSmall=TulcbgrhC//fv+9b5Q97uQ==, figureFileBig=7iJoiS+wz/gsiP8koE4B2g==, tableContent=null), ArticleFig(id=1322962989946646954, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Fig.7, caption=
Generalization results of different road extraction methods on the Massachusetts Roads dataset, figureFileSmall=XnpC72P+QCOrKqwVsJR9ag==, figureFileBig=an+vHIhHGGYPZbo+LCUKVA==, tableContent=null), ArticleFig(id=1322962990034727339, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=图7, caption=
不同道路提取方法在Massachusetts Roads数据集上的泛化性结果((a) true images;(b) GT;(c) D-LinkNet;(d) OareNet;(e) RCFSNet;(f) C2Net;(g) AFDANet;(h) RS-Mamba;(i) ours)
, figureFileSmall=XnpC72P+QCOrKqwVsJR9ag==, figureFileBig=an+vHIhHGGYPZbo+LCUKVA==, tableContent=null), ArticleFig(id=1322962990093447596, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 1, caption=
The existing high-resolution remote sensing public road extraction datasets, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 影像尺寸/像素 | 空间分辨率/m | 训练/验证影像 | 测试影像 | 覆盖面积/km2 |
|---|
| DeepGlobe(Demir等,2018) | 1 024 × 1 024 | 0.5 | 4 696 | 1 530 | 1 632.11 |
| SpaceNet(Van Etten等,2018) | 1 300 × 1 300 | 0.3 | 2 213 | 5 670 | 422.84 |
| Massachusetts Roads(Mnih,2013) | 1 500 × 1 500 | 1.0 | 1 108/14 | 49 | 2 600 |
| CHN6-CUG(Zhu等,2022) | 512 × 512 | 0.5 | 3 608 | 903 | 295.63 |
| GanSu-Road(Zhou等,2022) | 256 × 256 | 2.0 | 204/11 | 40 | 2 500 |
| WHU(Zhou等,2020) | 512 × 512 | 0.8 × 2.0 | 5 121 | 1 707 | 1 145 |
| AsiaMountain-Road(本文) | 1 024 × 1 024 2 048 × 2 048 | 1.0 | 7 183/1 100 1 213/160 | 1 936 333 | 1 836 |
), ArticleFig(id=1322962990173139373, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表1, caption=
现有的高分辨率遥感公共道路提取数据集
, figureFileSmall=null, figureFileBig=null, tableContent=
| 数据集 | 影像尺寸/像素 | 空间分辨率/m | 训练/验证影像 | 测试影像 | 覆盖面积/km2 |
|---|
| DeepGlobe(Demir等,2018) | 1 024 × 1 024 | 0.5 | 4 696 | 1 530 | 1 632.11 |
| SpaceNet(Van Etten等,2018) | 1 300 × 1 300 | 0.3 | 2 213 | 5 670 | 422.84 |
| Massachusetts Roads(Mnih,2013) | 1 500 × 1 500 | 1.0 | 1 108/14 | 49 | 2 600 |
| CHN6-CUG(Zhu等,2022) | 512 × 512 | 0.5 | 3 608 | 903 | 295.63 |
| GanSu-Road(Zhou等,2022) | 256 × 256 | 2.0 | 204/11 | 40 | 2 500 |
| WHU(Zhou等,2020) | 512 × 512 | 0.8 × 2.0 | 5 121 | 1 707 | 1 145 |
| AsiaMountain-Road(本文) | 1 024 × 1 024 2 048 × 2 048 | 1.0 | 7 183/1 100 1 213/160 | 1 936 333 | 1 836 |
), ArticleFig(id=1322962990257025454, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 2, caption=
Distribution of mountain types in the AsiaMountain-Road dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 山区类型 | 数量 | 占比/% | 主要分布区域 |
|---|
| 高海拔雪山—冰川型 | 4 | 13.79 | 中国青藏高原及周边高山区(喜马拉雅、喀喇昆仑、帕米尔、昆仑) |
| 峡谷—河谷型 | 5 | 17.24 | 中国(横断山区、川陕鄂渝山地)、阿富汗和巴基斯坦(兴都库什)、俄罗斯(西高加索) |
| 丘陵—山地农业型 | 6 | 20.69 | 中国东南丘陵、中国台湾、中国山西、菲律宾、哈萨克丘陵 |
| 草原—山前盆地型 | 3 | 10.35 | 中国西北及中亚山前地带(天山、阿尔泰、祁连) |
| 火山—岩层台地型 | 2 | 6.90 | 日本列岛 |
| 热带—高原聚落型 | 4 | 13.79 | 东南亚热带高原及岛屿、阿拉伯半岛南部 |
| 山地城镇型 | 5 | 17.24 | 伊朗高原、印度半岛东西两侧山地 |
), ArticleFig(id=1322962990345105839, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表2, caption=
AsiaMountain-Road山区类型分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 山区类型 | 数量 | 占比/% | 主要分布区域 |
|---|
| 高海拔雪山—冰川型 | 4 | 13.79 | 中国青藏高原及周边高山区(喜马拉雅、喀喇昆仑、帕米尔、昆仑) |
| 峡谷—河谷型 | 5 | 17.24 | 中国(横断山区、川陕鄂渝山地)、阿富汗和巴基斯坦(兴都库什)、俄罗斯(西高加索) |
| 丘陵—山地农业型 | 6 | 20.69 | 中国东南丘陵、中国台湾、中国山西、菲律宾、哈萨克丘陵 |
| 草原—山前盆地型 | 3 | 10.35 | 中国西北及中亚山前地带(天山、阿尔泰、祁连) |
| 火山—岩层台地型 | 2 | 6.90 | 日本列岛 |
| 热带—高原聚落型 | 4 | 13.79 | 东南亚热带高原及岛屿、阿拉伯半岛南部 |
| 山地城镇型 | 5 | 17.24 | 伊朗高原、印度半岛东西两侧山地 |
), ArticleFig(id=1322962990424797616, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 3, caption=
Typical mountain types and core features of the AsiaMountain-Road dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 山区类别 | 核心地形特征 | 道路分布与形态特征 | 主导道路类型 | 典型代表山脉 |
|---|
| 高海拔雪山—冰川型 | 海拔极高(多 > 4 000 m),冰川/荒漠广布,植被覆盖率 < 5% | 道路密度极低(每100 km² < 1 km),仅沿山口、冰川边缘或简易盘山路径延伸,无分支 | 盘山公路、乡村山路 | 喜马拉雅山、喀喇昆仑山、帕米尔高原、昆仑山 |
| 峡谷—河谷型 | 峡谷深切(相对高差 > 1 000 m),聚落沿河谷狭长分布 | 1)河谷主线型:道路沿河谷线性展开,方向受河道限制,顺流向延伸,主干道为主;2)盘山道路型:绕山盘旋、弯曲层叠,多回头弯,衔接河谷与山顶区域 | 河谷主线道路、水坝施工道、盘山公路、乡村山路 | 横断山脉、巫山、兴都库什、西高加索山脉、大巴山 |
| 丘陵—山地农业型 | 低山丘陵(相对高差200~800 m),茶园/梯田连片,耕地穿插 | 1)河谷依托型:以河谷主干道为核心,向两侧梯田区延伸支线(如武夷山);2)盘山细密型:乡村道路密集,多窄幅小路,随梯田等高线弯曲,分支发达(如吕宋山地) | 乡村山路、林道、村际联络线 | 武夷山、吕宋山地、天目山、恒山、哈萨克丘陵 |
| 草原—山前盆地型 | 山前平缓盆地,草原/荒漠草原过渡带,聚落分散 | 主干道通达性强(连接盆地核心聚落),次级道路稀疏,呈放射状或“十字形”交汇,无密集分支 | 乡村山路、盘山公路、矿区道路 | 天山、阿尔泰山、祁连山 |
| 火山—岩层台地型 | 火山地貌 + 岩层台地,针阔混交林覆盖,地形起伏和缓 | 林道与盘山路结合,主干道绕台地边缘,支线深入林区,整体呈“网格状”分支(覆盖林区与台地) | 林道、盘山公路、乡村山路 | 日本阿尔卑斯山、日高山脉 |
| 热带—高原聚落型 | 热带高原(海拔1 000~2 000 m),高温多雨,村落密集(每10 km² >5个) | 道路网络化程度高,主干道连接村落集群,支线随聚落分布延伸,多与耕地、林地交错 | 乡村山路、村际联络线、林道 | 巴新高地、阿拉伯山地、若开山、克罗克山 |
| 山地城镇型 | 山地腹地或山谷间小型城镇聚集,地形以低山(相对高差500~1 000 m)为主,周边有少量耕地/林地 | 城镇内部道路呈网格状,外部道路以连接周边村落或主干道为主;部分路段沿山脚或缓坡修建,弯曲度适中,无复杂盘山 | 盘山公路、乡村山路、矿区道路 | 阿尔波兹山、伊朗中部山地、札格罗斯山、西高止山脉、东高止山脉 |
), ArticleFig(id=1322962990500295089, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表3, caption=
AsiaMountain-Road数据集典型山区类型及核心特征
, figureFileSmall=null, figureFileBig=null, tableContent=
| 山区类别 | 核心地形特征 | 道路分布与形态特征 | 主导道路类型 | 典型代表山脉 |
|---|
| 高海拔雪山—冰川型 | 海拔极高(多 > 4 000 m),冰川/荒漠广布,植被覆盖率 < 5% | 道路密度极低(每100 km² < 1 km),仅沿山口、冰川边缘或简易盘山路径延伸,无分支 | 盘山公路、乡村山路 | 喜马拉雅山、喀喇昆仑山、帕米尔高原、昆仑山 |
| 峡谷—河谷型 | 峡谷深切(相对高差 > 1 000 m),聚落沿河谷狭长分布 | 1)河谷主线型:道路沿河谷线性展开,方向受河道限制,顺流向延伸,主干道为主;2)盘山道路型:绕山盘旋、弯曲层叠,多回头弯,衔接河谷与山顶区域 | 河谷主线道路、水坝施工道、盘山公路、乡村山路 | 横断山脉、巫山、兴都库什、西高加索山脉、大巴山 |
| 丘陵—山地农业型 | 低山丘陵(相对高差200~800 m),茶园/梯田连片,耕地穿插 | 1)河谷依托型:以河谷主干道为核心,向两侧梯田区延伸支线(如武夷山);2)盘山细密型:乡村道路密集,多窄幅小路,随梯田等高线弯曲,分支发达(如吕宋山地) | 乡村山路、林道、村际联络线 | 武夷山、吕宋山地、天目山、恒山、哈萨克丘陵 |
| 草原—山前盆地型 | 山前平缓盆地,草原/荒漠草原过渡带,聚落分散 | 主干道通达性强(连接盆地核心聚落),次级道路稀疏,呈放射状或“十字形”交汇,无密集分支 | 乡村山路、盘山公路、矿区道路 | 天山、阿尔泰山、祁连山 |
| 火山—岩层台地型 | 火山地貌 + 岩层台地,针阔混交林覆盖,地形起伏和缓 | 林道与盘山路结合,主干道绕台地边缘,支线深入林区,整体呈“网格状”分支(覆盖林区与台地) | 林道、盘山公路、乡村山路 | 日本阿尔卑斯山、日高山脉 |
| 热带—高原聚落型 | 热带高原(海拔1 000~2 000 m),高温多雨,村落密集(每10 km² >5个) | 道路网络化程度高,主干道连接村落集群,支线随聚落分布延伸,多与耕地、林地交错 | 乡村山路、村际联络线、林道 | 巴新高地、阿拉伯山地、若开山、克罗克山 |
| 山地城镇型 | 山地腹地或山谷间小型城镇聚集,地形以低山(相对高差500~1 000 m)为主,周边有少量耕地/林地 | 城镇内部道路呈网格状,外部道路以连接周边村落或主干道为主;部分路段沿山脚或缓坡修建,弯曲度适中,无复杂盘山 | 盘山公路、乡村山路、矿区道路 | 阿尔波兹山、伊朗中部山地、札格罗斯山、西高止山脉、东高止山脉 |
), ArticleFig(id=1322962990575792562, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 4, caption=
Quantitative results of different road extraction methods on the AsiaMountain-Road dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| D-LinkNet | 78.23 | 69.27 | 73.48 | 58.34 |
| OareNet | 78.63 | 67.86 | 72.85 | 57.30 |
| RCFSNet | 77.22 | 60.06 | 67.57 | 51.02 |
| C2Net | 78.68 | 68.90 | 73.47 | 58.33 |
| AFDANet | 83.02 | 61.88 | 70.90 | 54.93 |
| RS-Mamba | 80.28 | 67.18 | 73.15 | 57.67 |
| 本文 | 80.10 | 71.45 | 74.53 | 59.40 |
), ArticleFig(id=1322962990659678643, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表4, caption=
不同道路提取方法在AsiaMountain-Road数据集的定量结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| D-LinkNet | 78.23 | 69.27 | 73.48 | 58.34 |
| OareNet | 78.63 | 67.86 | 72.85 | 57.30 |
| RCFSNet | 77.22 | 60.06 | 67.57 | 51.02 |
| C2Net | 78.68 | 68.90 | 73.47 | 58.33 |
| AFDANet | 83.02 | 61.88 | 70.90 | 54.93 |
| RS-Mamba | 80.28 | 67.18 | 73.15 | 57.67 |
| 本文 | 80.10 | 71.45 | 74.53 | 59.40 |
), ArticleFig(id=1322962990760341940, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 5, caption=
Ablation study of MR-AFDANet on the AsiaMountain-Road dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验编号 | 网络结构 | SEAF模块 | 高低分辨率融合模块 | SRA解码器 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| 1 | Baseline | - | - | - | 73.97 | 58.83 | 65.54 | 48.74 |
| 2 | + SEAF模块 | √ | - | - | 77.88 | 66.35 | 71.70 | 53.05 |
| 3 | + 高低分辨率融合模块 | - | √ | - | 76.42 | 70.23 | 73.19 | 55.41 |
| 4 | + SRA解码器 | - | - | √ | 77.63 | 68.87 | 73.02 | 55.18 |
| 5 | + SEAF模块 + 高低分辨率融合模块 + SRA解码器 | √ | √ | √ | 80.10 | 71.45 | 74.53 | 59.40 |
), ArticleFig(id=1322962990835839413, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表5, caption=
MR-AFDANet模块消融实验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验编号 | 网络结构 | SEAF模块 | 高低分辨率融合模块 | SRA解码器 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| 1 | Baseline | - | - | - | 73.97 | 58.83 | 65.54 | 48.74 |
| 2 | + SEAF模块 | √ | - | - | 77.88 | 66.35 | 71.70 | 53.05 |
| 3 | + 高低分辨率融合模块 | - | √ | - | 76.42 | 70.23 | 73.19 | 55.41 |
| 4 | + SRA解码器 | - | - | √ | 77.63 | 68.87 | 73.02 | 55.18 |
| 5 | + SEAF模块 + 高低分辨率融合模块 + SRA解码器 | √ | √ | √ | 80.10 | 71.45 | 74.53 | 59.40 |
), ArticleFig(id=1322962990898753974, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=EN, label=Table 6, caption=
Quantitative results of different road extraction methods on the Massachusetts-Roads dataset, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| D-LinkNet | 63.87 | 80.92 | 71.39 | 55.51 |
| OareNet | 64.58 | 55.18 | 59.51 | 42.36 |
| RCFSNet | 60.26 | 53.12 | 56.46 | 39.34 |
| C2Net | 68.08 | 48.84 | 56.88 | 39.74 |
| AFDANet | 63.96 | 62.12 | 63.03 | 46.01 |
| RS-Mamba | 69.70 | 65.93 | 67.76 | 51.24 |
| 本文 | 76.40 | 75.05 | 75.72 | 60.93 |
), ArticleFig(id=1322962990957474231, tenantId=1146029695717560320, journalId=1249024232475115590, articleId=1322962977804136796, language=CN, label=表6, caption=
不同道路提取方法在Massachusetts-Roads数据集上的泛化性定量结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 精确率 | 召回率 | F1分数 | 交并比 |
|---|
| D-LinkNet | 63.87 | 80.92 | 71.39 | 55.51 |
| OareNet | 64.58 | 55.18 | 59.51 | 42.36 |
| RCFSNet | 60.26 | 53.12 | 56.46 | 39.34 |
| C2Net | 68.08 | 48.84 | 56.88 | 39.74 |
| AFDANet | 63.96 | 62.12 | 63.03 | 46.01 |
| RS-Mamba | 69.70 | 65.93 | 67.76 | 51.24 |
| 本文 | 76.40 | 75.05 | 75.72 | 60.93 |
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