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3D object detection plays a crucial role in various applications such as autonomous vehicles, robotics and augmented reality. However, training 3D detectors requires a costly precise annotation, which is a hindrance to scaling annotation to…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Saad Lahlali , Nicolas Granger , Hervé Le Borgne , Quoc-Cuong Pham

We propose a method for the weakly supervised detection of objects in paintings. At training time, only image-level annotations are needed. This, combined with the efficiency of our multiple-instance learning method, enables one to learn…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Nicolas Gonthier , Yann Gousseau , Said Ladjal , Olivier Bonfait

Detecting oriented tiny objects, which are limited in appearance information yet prevalent in real-world applications, remains an intricate and under-explored problem. To address this, we systemically introduce a new dataset, benchmark, and…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Chang Xu , Ruixiang Zhang , Wen Yang , Haoran Zhu , Fang Xu , Jian Ding , Gui-Song Xia

Pseudo-supervised learning methods have been shown to be effective for weakly supervised object localization tasks. However, the effectiveness depends on the powerful regularization ability of deep neural networks. Based on the assumption…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Kangbo Sun , Jie Zhu

The semantic image segmentation task presents a trade-off between test time accuracy and training-time annotation cost. Detailed per-pixel annotations enable training accurate models but are very time-consuming to obtain, image-level class…

计算机视觉与模式识别 · 计算机科学 2016-07-26 Amy Bearman , Olga Russakovsky , Vittorio Ferrari , Li Fei-Fei

Weakly-supervised salient object detection (WSOD) aims to develop saliency models using image-level annotations. Despite of the success of previous works, explorations on an effective training strategy for the saliency network and accurate…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Yongri Piao , Jian Wang , Miao Zhang , Zhengxuan Ma , Huchuan Lu

3D scene understanding, e.g., point cloud semantic and instance segmentation, often requires large-scale annotated training data, but clearly, point-wise labels are too tedious to prepare. While some recent methods propose to train a 3D…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Zhengzhe Liu , Xiaojuan Qi , Chi-Wing Fu

Weakly supervised object detection(WSOD) task uses only image-level annotations to train object detection task. WSOD does not require time-consuming instance-level annotations, so the study of this task has attracted more and more…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Sheng Yi , Xi Li , Huimin Ma

Unsupervised 3D object detection aims to identify objects of interest from unlabeled raw data, such as LiDAR points. Recent approaches usually adopt pseudo 3D bounding boxes (3D bboxes) from clustering algorithm to initialize the model…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

Lesion segmentation on nasal endoscopic images is challenging due to its complex lesion features. Fully-supervised deep learning methods achieve promising performance with pixel-level annotations but impose a significant annotation burden…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Pengyu Jie , Wanquan Liu , Chenqiang Gao , Yihui Wen , Rui He , Weiping Wen , Pengcheng Li , Jintao Zhang , Deyu Meng

Weakly-supervised object detection attempts to limit the amount of supervision by dispensing the need for bounding boxes, but still assumes image-level labels on the entire training set. In this work, we study the problem of training an…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Zhaohui Yang , Miaojing Shi , Chao Xu , Vittorio Ferrari , Yannis Avrithis

This paper introduces a novel approach to learning instance segmentation using extreme points, i.e., the topmost, leftmost, bottommost, and rightmost points, of each object. These points are readily available in the modern bounding box…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Hyeonjun Lee , Sehyun Hwang , Suha Kwak

Weakly supervised object detection has recently received much attention, since it only requires image-level labels instead of the bounding-box labels consumed in strongly supervised learning. Nevertheless, the save in labeling expense is…

计算机视觉与模式识别 · 计算机科学 2018-02-13 Jiajie Wang , Jiangchao Yao , Ya Zhang , Rui Zhang

3D instance segmentation is crucial for understanding complex 3D environments, yet fully supervised methods require dense point-level annotations, resulting in substantial annotation costs and labor overhead. To mitigate this, box-level…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Youngju Yoo , Seho Kim , Changick Kim

Single point supervised oriented object detection has gained attention and made initial progress within the community. Diverse from those approaches relying on one-shot samples or powerful pretrained models (e.g. SAM), PointOBB has shown…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Botao Ren , Xue Yang , Yi Yu , Junwei Luo , Zhidong Deng

Patch-level image representation is very important for object classification and detection, since it is robust to spatial transformation, scale variation, and cluttered background. Many existing methods usually require fine-grained…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Peng Tang , Xinggang Wang , Zilong Huang , Xiang Bai , Wenyu Liu

Semi-supervised object detection (SSOD) aims to boost detection performance by leveraging extra unlabeled data. The teacher-student framework has been shown to be promising for SSOD, in which a teacher network generates pseudo-labels for…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Honggyu Choi , Zhixiang Chen , Xuepeng Shi , Tae-Kyun Kim

Distantly-Supervised Named Entity Recognition (DS-NER) effectively alleviates the data scarcity problem in NER by automatically generating training samples. Unfortunately, the distant supervision may induce noisy labels, thus undermining…

计算与语言 · 计算机科学 2022-12-14 Xiaoye Qu , Jun Zeng , Daizong Liu , Zhefeng Wang , Baoxing Huai , Pan Zhou

Object detection at night is a challenging problem due to the absence of night image annotations. Despite several domain adaptation methods, achieving high-precision results remains an issue. False-positive error propagation is still…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

Self-supervised denoising has attracted widespread attention due to its ability to train without clean images. However, noise in real-world scenarios is often spatially correlated, which causes many self-supervised algorithms that assume…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Shiyan Chen , Jiyuan Zhang , Zhaofei Yu , Tiejun Huang