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A lightweight underwater image enhancement network is of great significance for resource-constrained platforms, but balancing model size, computational efficiency, and enhancement performance has proven difficult for previous approaches. In…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Jingxia Jiang , Tian Ye , Jinbin Bai , Sixiang Chen , Wenhao Chai , Shi Jun , Yun Liu , Erkang Chen

The light absorption and scattering of underwater impurities lead to poor underwater imaging quality. The existing data-driven based underwater image enhancement (UIE) techniques suffer from the lack of a large-scale dataset containing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-05 Lintao Peng , Chunli Zhu , Liheng Bian

In deep-sea exploration and surgical robotics scenarios, environmental lighting and device resolution limitations often cause high-frequency feature attenuation. Addressing the differences in frequency band sensitivity between CNNs and the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Guohao Huo , Ruiting Dai , Jinliang Liu , Ling Shao , Hao Tang

Underwater imagery often exhibits distorted coloration as a result of light-water interactions, which complicates the study of benthic environments in marine biology and geography. In this research, we propose an algorithm to restore the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Tianyi Zhang , Matthew Johnson-Roberson

Underwater instance segmentation is a fundamental and critical step in various underwater vision tasks. However, the decline in image quality caused by complex underwater environments presents significant challenges to existing segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Lianjun Liu

Depth super-resolution (DSR) aims to restore high-resolution (HR) depth from low-resolution (LR) one, where RGB image is often used to promote this task. Recent image guided DSR approaches mainly focus on spatial domain to rebuild depth…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Zhengxue Wang , Zhiqiang Yan , Jian Yang

Image deblurring aims to restore the detailed texture information or structures from blurry images, which has become an indispensable step in many computer vision tasks. Although various methods have been proposed to deal with the image…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Yanni Zhang , Qiang Li , Miao Qi , Di Liu , Jun Kong , Jianzhong Wang

Underwater imaging often suffers from significant visual degradation, which limits its suitability for subsequent applications. While recent underwater image enhancement (UIE) methods rely on the current advances in deep neural network…

Image and Video Processing · Electrical Eng. & Systems 2025-01-10 Laibin Chang , Yunke Wang , Bo Du , Chang Xu

Underwater imaging is a critical task performed by marine robots for a wide range of applications including aquaculture, marine infrastructure inspection, and environmental monitoring. However, water column effects, such as attenuation and…

Although low-light image enhancement has achieved great stride based on deep enhancement models, most of them mainly stress on enhancement performance via an elaborated black-box network and rarely explore the physical significance of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Huake Wang , Xingsong Hou , Chengcu Liu , Kaibing Zhang , Xiangyong Cao , Xueming Qian

Real-world low-light images suffer from two main degradations, namely, inevitable noise and poor visibility. Since the noise exhibits different levels, its estimation has been implemented in recent works when enhancing low-light images from…

Image and Video Processing · Electrical Eng. & Systems 2021-10-08 Chuanjun Zheng , Daming Shi , Wentian Shi

Most video restoration networks are slow, have high computational load, and can't be used for real-time video enhancement. In this work, we design an efficient and fast framework to perform real-time video enhancement for practical…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Jeya Maria Jose Valanarasu , Rahul Garg , Andeep Toor , Xin Tong , Weijuan Xi , Andreas Lugmayr , Vishal M. Patel , Anne Menini

Bi-temporal change detection is highly sensitive to acquisition discrepancies, including illumination, season, and atmosphere, which often cause false alarms. We observe that genuine changes exhibit higher patch-wise singular-value entropy…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Zelin Lei , Yaoxing Ren , Jiaming Chang

In order to fully utilize spatial information for segmentation and address the challenge of handling areas with significant grayscale variations in remote sensing segmentation, we propose the SFFNet (Spatial and Frequency Domain Fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yunsong Yang , Genji Yuan , Jinjiang Li

The reasonable employment of RGB and depth data show great significance in promoting the development of computer vision tasks and robot-environment interaction. However, there are different advantages and disadvantages in the early and late…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Jinchao Zhu

Remotely captured images possess an immense scale and object appearance variability due to the complex scene. It becomes challenging to capture the underlying attributes in the global and local context for their segmentation. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Satyawant Kumar , Abhishek Kumar , Dong-Gyu Lee

The demands for high data rate, reliability, high energy efficiency, high spectral efficiency, and low latency communication have been increasing rapidly. For this reason, communication models that use limited resources in the best way,…

Signal Processing · Electrical Eng. & Systems 2022-11-16 Burak Ahmet Ozden , Erdogan Aydin , Fatih Cogen

As an important task in remote sensing image analysis, remote sensing change detection (RSCD) aims to identify changes of interest in a region from spatially co-registered multi-temporal remote sensing images, so as to monitor the local…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Xiaowen Ma , Jiawei Yang , Tingfeng Hong , Mengting Ma , Ziyan Zhao , Tian Feng , Wei Zhang

RGB-D salient object detection (SOD) recently has attracted increasing research interest by benefiting conventional RGB SOD with extra depth information. However, existing RGB-D SOD models often fail to perform well in terms of both…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Wenbo Zhang , Ge-Peng Ji , Zhuo Wang , Keren Fu , Qijun Zhao

Accurate extraction of rural roads from high-resolution remote sensing imagery is essential for infrastructure planning and sustainable development. However, this task presents unique challenges in rural settings due to several factors.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Zhengbo Zhang , Yihe Tian , Wanke Xia , Lin Chen , Yue Sun , Kun Ding , Ying Wang , Bing Xu , Shiming Xiang