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This study proposes a Network to recognize displacement of a RC frame structure from a video by a monocular camera. The proposed Network consists of two modules which is FlowNet2 and POFRN-Net. FlowNet2 is used to generate dense optical…

计算机视觉与模式识别 · 计算机科学 2024-02-12 Peimian Du , Qicheng Guo , Yanru Li

Self-supervised monocular depth estimation has emerged as a promising method because it does not require groundtruth depth maps during training. As an alternative for the groundtruth depth map, the photometric loss enables to provide…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Jaehoon Choi , Dongki Jung , Donghwan Lee , Changick Kim

Accurate and reliable multi-object tracking (MOT) in 3D space is essential for advancing robotics and computer vision applications. However, it remains a significant challenge in monocular setups due to the difficulty of mining 3D…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Zhuohao Yan , Shaoquan Feng , Xingxing Li , Yuxuan Zhou , Chunxi Xia , Shengyu Li

Estimating depth from a single 2D image is a challenging task due to the lack of stereo or multi-view data, which are typically required for depth perception. In state-of-the-art architectures, the main challenge is to efficiently capture…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Dabbrata Das , Argho Deb Das , Farhan Sadaf

The performance of monocular depth estimation generally depends on the amount of parameters and computational cost. It leads to a large accuracy contrast between light-weight networks and heavy-weight networks, which limits their…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Fei Sheng , Feng Xue , Yicong Chang , Wenteng Liang , Anlong Ming

3D terrain reconstruction with remote sensing imagery achieves cost-effective and large-scale earth observation and is crucial for safeguarding natural disasters, monitoring ecological changes, and preserving the environment.Recently,…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Song Zhang , Zhiwei Wei , Wenjia Xu , Lili Zhang , Yang Wang , Jinming Zhang , Junyi Liu

Building height (BH) and building footprint (BF) jointly describe the vertical and horizontal extent of the built environment and are required inputs for urban climate, disaster-risk, and population-mapping models. The two parameters are…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Jinzhen Han , JinByeong Lee , Jisung Kim , HongSik Yun

We propose a novel Enhanced Feature Aggregation and Selection network (EFASNet) for multi-person 2D human pose estimation. Due to enhanced feature representation, our method can well handle crowded, cluttered and occluded scenes. More…

计算机视觉与模式识别 · 计算机科学 2020-03-24 Xixia Xu , Qi Zou , Xue Lin

Recent object detection models require large amounts of annotated data for training a new classes of objects. Few-shot object detection (FSOD) aims to address this problem by learning novel classes given only a few samples. While…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Karim Guirguis , Mohamed Abdelsamad , George Eskandar , Ahmed Hendawy , Matthias Kayser , Bin Yang , Juergen Beyerer

Model efficiency has become increasingly important in computer vision. In this paper, we systematically study neural network architecture design choices for object detection and propose several key optimizations to improve efficiency.…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Mingxing Tan , Ruoming Pang , Quoc V. Le

In this paper, we attempt to address the challenging problem of counting built-structures in the satellite imagery. Building density is a more accurate estimate of the population density, urban area expansion and its impact on the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Anza Shakeel , Waqas Sultani , Mohsen Ali

Building height is an important indicator for scientific research and practical application. However, building height products with a high spatial resolution (10m) are still very scarce. To meet the needs of high-resolution building height…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Xin Yan

In the context of few-shot classification, the goal is to train a classifier using a limited number of samples while maintaining satisfactory performance. However, traditional metric-based methods exhibit certain limitations in achieving…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Fatemeh Askari , Amirreza Fateh , Mohammad Reza Mohammadi

Large-scale fine-grained image retrieval has two main problems. First, low dimensional feature embedding can fasten the retrieval process but bring accuracy reduce due to overlooking the feature of significant attention regions of images in…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Qi Zhao , Xu Wang , Shuchang Lyu , Binghao Liu , Yifan Yang

Accurately and efficiently extracting building footprints from a wide range of remote sensed imagery remains a challenge due to their complex structure, variety of scales and diverse appearances. Existing convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Qing Zhu , Cheng Liao , Han Hu , Xiaoming Mei , Haifeng Li

Continuum robots are promising candidates for interactive tasks in medical and industrial applications due to their unique shape, compliance, and miniaturization capability. Accurate and real-time shape sensing is essential for such tasks…

机器人学 · 计算机科学 2024-01-09 Chengnan Shentu , Enxu Li , Chaojun Chen , Puspita Triana Dewi , David B. Lindell , Jessica Burgner-Kahrs

In this work we pretrain a CLIP/ViT based model using three different modalities of satellite imagery across five AOIs covering over ~10\% of Earth's total landmass, namely Sentinel 2 RGB optical imagery, Sentinel 1 SAR radar amplitude and…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Matt Allen , Francisco Dorr , Joseph A. Gallego-Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

A prior global topological map (e.g., the OpenStreetMap, OSM) can boost the performance of autonomous mapping by a ground mobile robot. However, the prior map is usually incomplete due to lacking labeling in partial paths. To solve this…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Kaijie Yin , Tian Gao , Hui Kong

State-of-the-art pedestrian detectors have achieved significant progress on non-occluded pedestrians, yet they are still struggling under heavy occlusions. The recent occlusion handling strategy of popular two-stage approaches is to build a…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Ye He , Chao Zhu , Xu-Cheng Yin

Single-source remote sensing object detection using optical or SAR images struggles in complex environments. Optical images offer rich textural details but are often affected by low-light, cloud-obscured, or low-resolution conditions,…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Chao Wang , Wei Lu , Xiang Li , Jian Yang , Lei Luo