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This paper introduces ROSAR, a novel framework enhancing the robustness of deep learning object detection models tailored for side-scan sonar (SSS) images, generated by autonomous underwater vehicles using sonar sensors. By extending our…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Martin Aubard , László Antal , Ana Madureira , Luis F. Teixeira , Erika Ábrahám

Reliable automatic target segmentation in Synthetic Aperture Radar (SAR) imagery has played an important role in the SAR fields. Different from the traditional methods, Spectral Residual (SR) and CFAR detector, with the recent adavance in…

图像与视频处理 · 电气工程与系统科学 2023-08-16 Chenwei Wang , Jifang Pei , Yulin Huang , Jianyu Yang

We present learning-based implicit shape representations designed for real-time avatar collision queries arising in the simulation of clothing. Signed distance functions (SDFs) have been used for such queries for many years due to their…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Osman Akar , Yushan Han , Yizhou Chen , Weixian Lan , Benn Gallagher , Ronald Fedkiw , Joseph Teran

Person re-identification (reID) aims to match person images to retrieve the ones with the same identity. This is a challenging task, as the images to be matched are generally semantically misaligned due to the diversity of human poses and…

计算机视觉与模式识别 · 计算机科学 2020-03-19 Xin Jin , Cuiling Lan , Wenjun Zeng , Guoqiang Wei , Zhibo Chen

Spacecraft pose estimation plays a vital role in many on-orbit space missions, such as rendezvous and docking, debris removal, and on-orbit maintenance. At present, space images contain widely varying lighting conditions, high contrast and…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Hu Gao , Zhihui Li , Depeng Dang , Ning Wang , Jingfan Yang

We consider a bistatic configuration with a stationary transmitter transmitting unknown waveforms of opportunity and a moving receiver, and present a Deep Learning (DL) framework for passive synthetic aperture radar (SAR) imaging. Existing…

信号处理 · 电气工程与系统科学 2019-06-05 Bariscan Yonel , Eric Mason , Birsen Yazici

Recovering 3D object pose and shape from a single image is a challenging and ill-posed problem. This is due to strong (self-)occlusions, depth ambiguities, the vast intra- and inter-class shape variance, and the lack of 3D ground truth for…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Dimitrije Antić , Georgios Paschalidis , Shashank Tripathi , Theo Gevers , Sai Kumar Dwivedi , Dimitrios Tzionas

We propose a simple, data-efficient pipeline that augments an implicit reconstruction network based on neural SDF-based CAD parts with a part-segmentation head trained under PartField-generated supervision. Unlike methods tied to fixed…

图形学 · 计算机科学 2025-10-07 Shen Fan , Przemyslaw Musialski

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

For Domain Generalizable Object Detection (DGOD), Disentangled Representation Learning (DRL) helps a lot by explicitly disentangling Domain-Invariant Representations (DIR) from Domain-Specific Representations (DSR). Considering the domain…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Haozhuo Zhang , Huimin Yu , Yuming Yan , Runfa Wang

This study presents a physically informed hybrid time-frequency and machine learning (STFT-ML) framework for arc stability monitoring in electric arc welding systems. The primary current signal is modeled as a stochastic representation of…

信号处理 · 电气工程与系统科学 2026-04-21 Tahir Cetin Akinci , Gokhan Gokmen , Alfredo A. Martinez-Morales

Underwater salient object detection (USOD) has attracted increasing attention for underwater visual scene understanding and vision-guided robotic applications. However, existing USOD methods still struggle with underwater image…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Lin Hong , Chenhui Wang , Linan Deng , Yuning Cui , Yu Zhang , Xin Wang , Bojian Zhang , Wenqi Ren , Xingchen Yang , Fumin Zhang

In this paper, we propose multi-stage and deformable deep convolutional neural networks for object detection. This new deep learning object detection diagram has innovations in multiple aspects. In the proposed new deep architecture, a new…

Signed Distance Functions (SDFs) are vital implicit representations to represent high fidelity 3D surfaces. Current methods mainly leverage a neural network to learn an SDF from various supervisions including signed distances, 3D point…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Chao Chen , Yu-Shen Liu , Zhizhong Han

Deep learning methods have made significant progress in ship detection in synthetic aperture radar (SAR) images. The pretraining technique is usually adopted to support deep neural networks-based SAR ship detectors due to the scarce labeled…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Wei Bao , Meiyu Huang , Yaqin Zhang , Yao Xu , Xuejiao Liu , Xueshuang Xiang

Deep Neural Network (DNN) based super-resolution algorithms have greatly improved the quality of the generated images. However, these algorithms often yield significant artifacts when dealing with real-world super-resolution problems due to…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Kangfu Mei , Shenglong Ye , Rui Huang

We investigate the generalization capabilities of neural signed distance functions (SDFs) for learning 3D object representations for unseen and unlabeled point clouds. Existing methods can fit SDFs to a handful of object classes and boast…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Gene Chou , Ilya Chugunov , Felix Heide

3D decomposition/segmentation still remains a challenge as large-scale 3D annotated data is not readily available. Contemporary approaches typically leverage 2D machine-generated segments, integrating them for 3D consistency. While the…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Tianhao Wu , Chuanxia Zheng , Tat-Jen Cham , Qianyi Wu

Detecting out-of-distribution (OOD) nodes in the graph-based machine-learning field is challenging, particularly when in-distribution (ID) node multi-category labels are unavailable. Thus, we focus on feature space rather than label space…

机器学习 · 计算机科学 2025-10-24 Shenzhi Yang , Junbo Zhao , Sharon Li , Shouqing Yang , Dingyu Yang , Xiaofang Zhang , Haobo Wang

Underwater optical imaging is severely hindered by scattering, but polarization imaging offers the unique dual advantages of descattering and shape-from-polarization (SfP) 3D reconstruction. To exploit these advantages, this paper proposes…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Puyun Wang , Kaimin Yu , Huayang He , Feng Huang , Xianyu Wu , Yating Chen