App. Res. of Comp. Accepted Paper
Vol. 43, 2026 No. 12

Semi-submerged aquaculture contour extraction via hierarchical supervision and frequency dynamic selection

Qiao Wenjiao
Cui Binge
School of Computer Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China
DOI: 10.19734/j.issn.1001-3695.2026.03.0093

Abstract

Addresses the challenge of extracting geometrically accurate contours from remote sensing images of semi-submerged raft aquaculture areas, where spectral ambiguity and blurred boundaries hinder precise delineation. Proposes an end-to-end geometry-aware polygon extraction network termed AquaPolyNet. Introduces explicit geometric constraints through a hierarchical supervision strategy for vertices, edges, and regions. Employs an attraction field map to reformulate boundary learning as a robust vector regression task. Designs a frequency dynamic selection module to adaptively enhance discriminative features in the frequency domain under geometric guidance. Conducts experiments on Haizhou Bay and Sanduao datasets. Results show that the proposed method achieves an F1-score of 0.969 and an IoU of 96.0%, outperforms several baselines and directly generates regular vector polygons. Provides an efficient end-to-end vectorization solution for aquaculture contour extraction under spectrally ambiguous conditions.

Foundation Support

国家自然科学基金资助项目(42276185)
山东省自然科学基金资助项目(ZR2020MD099,ZR2020MD096)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2026.03.0093
Publish at: Application Research of Computers Accepted Paper, Vol. 43, 2026 No. 12

Publish History

[2026-07-29] Accepted Paper

Cite This Article

乔雯娇, 崔宾阁. 基于分层监督与频率动态选择的半淹没养殖区轮廓提取 [J]. 计算机应用研究, 2026, 43 (12). (2026-08-25). https://doi.org/10.19734/j.issn.1001-3695.2026.03.0093. (Qiao Wenjiao, Cui Binge. Semi-submerged aquaculture contour extraction via hierarchical supervision and frequency dynamic selection [J]. Application Research of Computers, 2026, 43 (12). (2026-08-25). https://doi.org/10.19734/j.issn.1001-3695.2026.03.0093. )

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  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

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