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Semi-Supervised Object Detection (SSOD), aiming to explore unlabeled data for boosting object detectors, has become an active task in recent years. However, existing SSOD approaches mainly focus on horizontal objects, leaving multi-oriented…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Wei Hua , Dingkang Liang , Jingyu Li , Xiaolong Liu , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Object detection has seen remarkable progress in recent years with the introduction of Convolutional Neural Networks (CNN). Object detection is a multi-task learning problem where both the position of the objects in the images as well as…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Mofassir ul Islam Arif , Mohsan Jameel , Lars Schmidt-Thieme

Monocular 3D object detection is a challenging task because depth information is difficult to obtain from 2D images. A subset of viewpoint-agnostic monocular 3D detection methods also do not explicitly leverage scene homography or geometry…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Xinxuan Lu , Derek Gloudemans , Shepard Xia , Daniel B. Work

Multi-modal methods based on camera and LiDAR sensors have garnered significant attention in the field of 3D detection. However, many prevalent works focus on single or partial stage fusion, leading to insufficient feature extraction and…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zhiwei Ning , Zhaojiang Liu , Xuanang Gao , Yifan Zuo , Jie Yang , Yuming Fang , Wei Liu

Object detection has achieved a huge breakthrough with deep neural networks and massive annotated data. However, current detection methods cannot be directly transferred to the scenario where the annotated data is scarce due to the severe…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Qihan Huang , Haofei Zhang , Mengqi Xue , Jie Song , Mingli Song

Few-shot object detection~(FSOD), which aims to detect novel objects with limited annotated instances, has made significant progress in recent years. However, existing methods still suffer from biased representations, especially for novel…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Zheng Wang , Yingjie Gao , Qingjie Liu , Yunhong Wang

We propose a Ground IoU (Gr-IoU) to address the data association problem in multi-object tracking. When tracking objects detected by a camera, it often occurs that the same object is assigned different IDs in consecutive frames, especially…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Keisuke Toida , Naoki Kato , Osamu Segawa , Takeshi Nakamura , Kazuhiro Hotta

In recent years, numerous domain adaptive strategies have been proposed to help deep learning models overcome the challenges posed by domain shift. However, even unsupervised domain adaptive strategies still require a large amount of target…

图像与视频处理 · 电气工程与系统科学 2024-07-11 Sumayya Inayat , Nimra Dilawar , Waqas Sultani , Mohsen Ali

Recent years have seen object detection robotic systems deployed in several personal devices (e.g., home robots and appliances). This has highlighted a challenge in their design, i.e., they cannot efficiently update their knowledge to…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Francesco Barbato , Umberto Michieli , Jijoong Moon , Pietro Zanuttigh , Mete Ozay

As one of the most fundamental and challenging problems in computer vision, object detection tries to locate object instances and find their categories in natural images. The most important step in the evaluation of object detection…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Qiang Zhao , Bin Chen , Hang Xu , Yike Ma , Xiaodong Li , Bailan Feng , Chenggang Yan , Feng Dai

In one-stage multi-object detection tasks, various intersection over union (IoU)-based solutions aim at smooth and stable convergence near the targets during training. However, IoU-based losses fail to correctly update the gradient of small…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Dian Ning , Dong Seog Han

Training a robust classifier and an accurate box regressor are difficult for occluded pedestrian detection. Traditionally adopted Intersection over Union (IoU) measurement does not consider the occluded region of the object and leads to…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Ruiqi Lu , Huimin Ma

In recent years, many semantic segmentation methods have been proposed to predict label of pixels in the scene. In general, we measure area prediction errors or boundary prediction errors for comparing methods. However, there is no…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Yeong-Jun Cho

For most of the anchor-based detectors, Intersection over Union(IoU) is widely utilized to assign targets for the anchors during training. However, IoU pays insufficient attention to the closeness of the anchor's center to the truth box's…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Shengkai Wu , Jinrong Yang , Hangcheng Yu , Lijun Gou , Xiaoping Li

Tiny object detection (TOD) in aerial images is challenging since a tiny object only contains a few pixels. State-of-the-art object detectors do not provide satisfactory results on tiny objects due to the lack of supervision from…

计算机视觉与模式识别 · 计算机科学 2022-06-29 Chang Xu , Jinwang Wang , Wen Yang , Huai Yu , Lei Yu , Gui-Song Xia

Small object detection (SOD) is a critical yet challenging task in computer vision, with applications like spanning surveillance, autonomous systems, medical imaging, and remote sensing. Unlike larger objects, small objects contain limited…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Mahya Nikouei , Bita Baroutian , Shahabedin Nabavi , Fateme Taraghi , Atefe Aghaei , Ayoob Sajedi , Mohsen Ebrahimi Moghaddam

Few-shot object detection (FSOD), which aims at learning a generic detector that can adapt to unseen tasks with scarce training samples, has witnessed consistent improvement recently. However, most existing methods ignore the efficiency…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Ze Yang , Chi Zhang , Ruibo Li , Yi Xu , Guosheng Lin

Small objects have relatively low resolution, the unobvious visual features which are difficult to be extracted, so the existing object detection methods cannot effectively detect small objects, and the detection speed and stability are…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Qingcai Wang , Hao Zhang , Xianggong Hong , Qinqin Zhou

Bounding box regression is one of the important steps of object detection. However, rotation detectors often involve a more complicated loss based on SkewIoU which is unfriendly to gradient-based training. Most of the existing loss…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Siliang Ma , Yong Xu

Few-shot object detection (FSOD) aims at learning a detector that can fast adapt to previously unseen objects with scarce annotated examples, which is challenging and demanding. Existing methods solve this problem by performing subtasks of…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Longyao Liu , Bo Ma , Yulin Zhang , Xin Yi , Haozhi Li