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Camouflaged object detection (COD) aims to identify the objects that conceal themselves in natural scenes. Accurate COD suffers from a number of challenges associated with low boundary contrast and the large variation of object appearances,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Geng Chen , Si-Jie Liu , Yu-Jia Sun , Ge-Peng Ji , Ya-Feng Wu , Tao Zhou

Camouflaged object detection (COD), segmenting objects that are elegantly blended into their surroundings, is a valuable yet challenging task. Existing deep-learning methods often fall into the difficulty of accurately identifying the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Yujia Sun , Shuo Wang , Chenglizhao Chen , Tian-Zhu Xiang

Camouflaged Object Detection is challenging due to the high degree of similarity between camouflaged objects and their surrounding backgrounds. Current COD methods mainly rely on edge extraction in the spatial domain and local pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Song Yu , Yang Hu , Haokang Ding , Zhifang Liao , Yucheng Song

Camouflaged object detection (COD) is a challenging task due to the low boundary contrast between the object and its surroundings. In addition, the appearance of camouflaged objects varies significantly, e.g., object size and shape,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Yujia Sun , Geng Chen , Tao Zhou , Yi Zhang , Nian Liu

Camouflaged object detection (COD) aims to detect/segment camouflaged objects embedded in the environment, which has attracted increasing attention over the past decades. Although several COD methods have been developed, they still suffer…

Computer Vision and Pattern Recognition · Computer Science 2022-12-05 Tao Zhou , Yi Zhou , Chen Gong , Jian Yang , Yu Zhang

Camouflaged object detection (COD) aims to accurately detect objects hidden in the surrounding environment. However, the existing COD methods mainly locate camouflaged objects in the RGB domain, their performance has not been fully…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Runmin Cong , Mengyao Sun , Sanyi Zhang , Xiaofei Zhou , Wei Zhang , Yao Zhao

Camouflaged object detection (COD) presents a persistent challenge in accurately identifying objects that seamlessly blend into their surroundings. However, most existing COD models overlook the fact that visual systems operate within a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-12 Xinran Liua , Lin Qia , Yuxuan Songa , Qi Wen

Camouflaged object detection identifies objects that blend seamlessly with their surroundings through similar colors, textures, and patterns. This task challenges both traditional segmentation methods and modern foundation models, which…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Baber Jan , Aiman H. El-Maleh , Abdul Jabbar Siddiqui , Abdul Bais , Saeed Anwar

Camouflaged object detection (COD) aims to segment objects that blend into their surroundings. However, most existing studies overlook the semantic differences among textual prompts of different targets as well as fine-grained frequency…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Dezhen Wang , Haixiang Zhao , Xiang Shen , Sheng Miao

Camouflaged Object Detection (COD) is a critical aspect of computer vision aimed at identifying concealed objects, with applications spanning military, industrial, medical and monitoring domains. To address the problem of poor detail…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Cunhan Guo , Heyan Huang

The core challenge in Camouflage Object Detection (COD) lies in the indistinguishable similarity between targets and backgrounds in terms of color, texture, and shape. This causes existing methods to either lose edge details (such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Jianlin Sun , Xiaolin Fang , Juwei Guan , Dongdong Gui , Teqi Wang , Tongxin Zhu

Bi-CamoDiffusion is introduced, an evolution of the CamoDiffusion framework for camouflaged object detection. It integrates edge priors into early-stage embeddings via a parameter-free injection process, which enhances boundary sharpness…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Patricia L. Suarez , Leo Thomas Ramos , Angel D. Sappa

Existing edge-aware camouflaged object detection (COD) methods normally output the edge prediction in the early stage. However, edges are important and fundamental factors in the following segmentation task. Due to the high visual…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Dongyue Sun , Shiyao Jiang , Lin Qi

The recently proposed camouflaged object detection (COD) attempts to segment objects that are visually blended into their surroundings, which is extremely complex and difficult in real-world scenarios. Apart from high intrinsic similarity…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Youwei Pang , Xiaoqi Zhao , Tian-Zhu Xiang , Lihe Zhang , Huchuan Lu

Camouflaged Object Detection (COD) aims to detect objects with similar patterns (e.g., texture, intensity, colour, etc) to their surroundings, and recently has attracted growing research interest. As camouflaged objects often present very…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Ge-Peng Ji , Lei Zhu , Mingchen Zhuge , Keren Fu

Camouflaged object detection (COD), which aims to identify the objects that conceal themselves into the surroundings, has recently drawn increasing research efforts in the field of computer vision. In practice, the success of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Geng Chen , Xinrui Chen , Bo Dong , Mingchen Zhuge , Yongxiong Wang , Hongbo Bi , Jian Chen , Peng Wang , Yanning Zhang

This paper focuses on camouflaged object detection (COD), which is a task to detect objects hidden in the background. Most of the current COD models aim to highlight the target object directly while outputting ambiguous camouflaged…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Nobukatsu Kajiura , Hong Liu , Shin'ichi Satoh

Camouflaged Object Detection (COD) stands as a significant challenge in computer vision, dedicated to identifying and segmenting objects visually highly integrated with their backgrounds. Current mainstream methods have made progress in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Kuan Wang , Yanjun Qin , Mengge Lu , Liejun Wang , Xiaoming Tao

Referring camouflaged object detection (Ref-COD) aims to identify hidden objects by incorporating reference information such as images and text descriptions. Previous research has transformed reference images with salient objects into…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yu Wen , Shuyong Gao , Shuping Zhang , Miao Huang , Lili Tao , Han Yang , Haozhe Xing , Lihe Zhang , Boxue Hou

Recent research about camouflaged object detection (COD) aims to segment highly concealed objects hidden in complex surroundings. The tiny, fuzzy camouflaged objects result in visually indistinguishable properties. However, current…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Dehua Zheng , Xiaochen Zheng , Laurence T. Yang , Yuan Gao , Chenlu Zhu , Yiheng Ruan
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