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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

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) 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 (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), 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

Camouflaged Object Detection (COD) demands models to expeditiously and accurately distinguish objects which conceal themselves seamlessly in the environment. Owing to the subtle differences and ambiguous boundaries, COD is not only a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Huafeng Chen , Dian Shao , Guangqian Guo , Shan Gao

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 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) refers to the task of identifying and segmenting objects that blend seamlessly into their surroundings, posing a significant challenge for computer vision systems. In recent years, COD has garnered…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Fengyang Xiao , Sujie Hu , Yuqi Shen , Chengyu Fang , Jinfa Huang , Chunming He , Longxiang Tang , Ziyun Yang , Xiu Li

Camouflaged object detection (COD) from a single image is a challenging task due to the high similarity between objects and their surroundings. Existing fully supervised methods require labor-intensive pixel-level annotations, making weakly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xia Li , Xinran Liu , Lin Qi , Junyu Dong

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

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Youwei Pang , Xiaoqi Zhao , Tian-Zhu Xiang , Lihe Zhang , Huchuan Lu

Camouflaged Object Detection (COD) aims to segment objects that are highly integrated with the background in terms of color, texture, and structure, making it a highly challenging task in computer vision. Although existing methods introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Min Zhang

Concealed object detection (COD) in cluttered scenes is significant for various image processing applications. However, due to that concealed objects are always similar to their background, it is extremely hard to distinguish them. Here,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yuhan Kang , Qingpeng Li , Leyuan Fang , Jian Zhao , Xuelong Li

Camouflaged object detection (COD) aims to segment objects visually embedded in their surroundings, which is a very challenging task due to the high similarity between the objects and the background. To address it, most methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Zhennan Chen , Xuying Zhang , Tian-Zhu Xiang , Ying Tai

Shadow detection is a fundamental and challenging task in many computer vision applications. Intuitively, most shadows come from the occlusion of light by the object itself, resulting in the object and its shadow being contiguous (referred…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Yonghui Wang , Shaokai Liu , Li Li , Wengang Zhou , Houqiang Li

Camouflaged Object Detection (COD) aims to identify objects that blend seamlessly into their surroundings. The inherent visual complexity of camouflaged objects, including their low contrast with the background, diverse textures, and subtle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Chenxi Zhang , Qing Zhang , Jiayun Wu , Youwei Pang

Video camouflaged object detection (VCOD) is challenging due to dynamic environments. Existing methods face two main issues: (1) SAM-based methods struggle to separate camouflaged object edges due to model freezing, and (2) MLLM-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Hua Zhang , Changjiang Luo , Ruoyu Chen

Image-level weakly supervised semantic segmentation is a challenging task that has been deeply studied in recent years. Most of the common solutions exploit class activation map (CAM) to locate object regions. However, such response maps…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Yukun Su , Jingliang Deng , Zonghan Li

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

To effectively reduce the visual tokens in Visual Large Language Models (VLLMs), we propose a novel approach called Window Token Concatenation (WiCo). Specifically, we employ a sliding window to concatenate spatially adjacent visual tokens.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Yifan Li , Wentao Bao , Botao Ye , Zhen Tan , Tianlong Chen , Huan Liu , Yu Kong
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