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CamoNAS: Neural Architecture Search for Enhanced Camouflaged Object Detection

2026-07-02 08:25:51
Dawei Ren, Yan Zhang, Hongying Tang, Qiaoling Zhou, Jianpo Liu
arXiv_AI
       
Abstract

Camouflaged Object Detection (COD) aims to locate and segment objects that blend into their surroundings, presenting challenges due to weak edge cues and ill-defined boundaries. Traditional COD models rely on hand-designed architectures and multi-scale feature fusion, which are often guided by intuition rather than systematic search. This paper introduces CamoNAS, a frequency-aware multi-resolution Neural Architecture Search (NAS) framework for COD. CamoNAS automatically searches both cell-level operations and network-level downsampling paths, forming a hierarchical search space tailored to detect camouflaged objects. Additionally, it adopts an RGB frequency dual-stream architecture, where a learnable wavelet transform complements the RGB spatial stream. CamoNAS achieves state-of-the-art performance on four COD benchmarks (CAMO, COD10K, NC4K, CHAMELEON), highlighting the effectiveness of NAS for COD. Our code is available at this https URL.

Abstract (translated)

URL

https://arxiv.org/abs/2607.01870

PDF

https://arxiv.org/pdf/2607.01870.pdf

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