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Paper · 2601.02091 · 2026

MCD-Net: A Lightweight Deep Learning Baseline for Optical-Only Moraine Segmentation

Zhehuan Cao, Berhanu Fiseha, Ping Tesema, Jianfeng Fu, Ahmed Ren, Nasr, Ping Fu, Tesema, Ahmed Nasr

arXiv · PDF · Open in the Atlas

Code that ran

We lifted 6 functions out of this paper's own repositories and ran 3 of them in a sandbox. "Ran" means the function executed on a synthesized input and returned a value. It is not a reproduction of the paper's results.

RepositoryRoleRan
Lyra-alpha/MCD-Net — 3 of 6
FunctionStatusWhere it lives
ASPP Ran Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("64b6f302e40a5c20")
CBAM Ran Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("43ecc7d8039d0bd5")
load_url Ran Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("0896d8636b35a30b")
MCDNet Not yet run Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("79e891c2c4f53789")
MobileNetV2 Not yet run Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("8737da69b887b3fc")
mobilenetv2 Not yet run Lyra-alpha/MCD-Net/nets/deeplabv3_plus.py
code served (permissive licence) · get_code("b1d54966338738d2")

Repositories linked to this paper

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Abstract

Glacial segmentation is essential for reconstructing past glacier dynamics and evaluating climatedriven landscape change. However, weak optical contrast and the limited availability of high-resolution DEMs hinder automated mapping. This study introduces the first large-scale optical-only moraine segmentation dataset, comprising 3,340 manually annotated high-resolution images from Google Earth covering glaciated regions of Sichuan and Yunnan, China. We develop MCD-Net, a lightweight baseline that integrates a MobileNetV2 encoder, a Convolutional Block Attention Module (CBAM), and a DeepLabV3+ decoder. Benchmarking against deeper backbones (ResNet152, Xception) shows that MCD-Net achieves 62.3% mean Intersection over Union (mIoU) and 72.8% Dice coefficient while reducing computational cost by more than 60%. Although ridge delineation remains constrained by sub-pixel width and spectral ambiguity, the results demonstrate that optical imagery alone can provide reliable moraine-body segmentation. The dataset and code are publicly available at https://github.com/Lyra-alpha/MCD-Net, establishing a reproducible benchmark for moraine-specific segmentation and offering a deployable baseline for highaltitude glacial monitoring.

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