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相关论文: 3DWG: 3D Weakly Supervised Visual Grounding via Ca…

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Pixel-wise clean annotation is necessary for fully-supervised semantic segmentation, which is laborious and expensive to obtain. In this paper, we propose a weakly supervised 2D semantic segmentation model by incorporating sparse bounding…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Weixuan Sun , Jing Zhang , Nick Barnes

Text-guided 3D visual grounding (T-3DVG), which aims to locate a specific object that semantically corresponds to a language query from a complicated 3D scene, has drawn increasing attention in the 3D research community over the past few…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Daizong Liu , Yang Liu , Wencan Huang , Wei Hu

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Point clouds provide intrinsic geometric information and surface context for scene understanding. Existing methods for point cloud segmentation require a large amount of fully labeled data. Using advanced depth sensors, collection of large…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Jiacheng Wei , Guosheng Lin , Kim-Hui Yap , Tzu-Yi Hung , Lihua Xie

Weakly supervised learning has emerged as a compelling tool for object detection by reducing the need for strong supervision during training. However, major challenges remain: (1) differentiation of object instances can be ambiguous; (2)…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Zhongzheng Ren , Zhiding Yu , Xiaodong Yang , Ming-Yu Liu , Yong Jae Lee , Alexander G. Schwing , Jan Kautz

Open-world instance-level scene understanding aims to locate and recognize unseen object categories that are not present in the annotated dataset. This task is challenging because the model needs to both localize novel 3D objects and infer…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Runyu Ding , Jihan Yang , Chuhui Xue , Wenqing Zhang , Song Bai , Xiaojuan Qi

3D visual grounding (3DVG) involves localizing entities in a 3D scene referred to by natural language text. Such models are useful for embodied AI and scene retrieval applications, which involve searching for objects or patterns using…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Austin T. Wang , ZeMing Gong , Angel X. Chang

Monocular 3D object detection poses a significant challenge in 3D scene understanding due to its inherently ill-posed nature in monocular depth estimation. Existing methods heavily rely on supervised learning using abundant 3D labels,…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zihua Liu , Hiroki Sakuma , Masatoshi Okutomi

3D Visual Grounding (3DVG) seeks to locate target objects in 3D scenes using natural language descriptions, enabling downstream applications such as augmented reality and robotics. Existing approaches typically rely on labeled 3D data and…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Rong Li , Shijie Li , Lingdong Kong , Xulei Yang , Junwei Liang

Instance segmentation on 3D point clouds has been attracting increasing attention due to its wide applications, especially in scene understanding areas. However, most existing methods operate on fully annotated data while manually preparing…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Shichao Dong , Ruibo Li , Jiacheng Wei , Fayao Liu , Guosheng Lin

It is challenging for weakly supervised object detection network to precisely predict the positions of the objects, since there are no instance-level category annotations. Most existing methods tend to solve this problem by using a…

计算机视觉与模式识别 · 计算机科学 2019-11-28 Ke Yang , Dongsheng Li , Yong Dou

Existing weakly-supervised semantic segmentation methods using image-level annotations typically rely on initial responses to locate object regions. However, such response maps generated by the classification network usually focus on…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yu-Ting Chang , Qiaosong Wang , Wei-Chih Hung , Robinson Piramuthu , Yi-Hsuan Tsai , Ming-Hsuan Yang

Weakly supervised visual recognition using inexact supervision is a critical yet challenging learning problem. It significantly reduces human labeling costs and traditionally relies on multi-instance learning and pseudo-labeling. This paper…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Lianghui Zhu , Junwei Zhou , Yan Liu , Xin Hao , Wenyu Liu , Xinggang Wang

The problem of grounding VQA tasks has seen an increased attention in the research community recently, with most attempts usually focusing on solving this task by using pretrained object detectors. However, pre-trained object detectors…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Aisha Urooj Khan , Hilde Kuehne , Kevin Duarte , Chuang Gan , Niels Lobo , Mubarak Shah

Weakly supervised object detection (WSOD) using only image-level annotations has attracted a growing attention over the past few years. Whereas such task is typically addressed with a domain-specific solution focused on natural images, we…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Nicolas Gonthier , Saïd Ladjal , Yann Gousseau

Fine-grained object categorization aims for distinguishing objects of subordinate categories that belong to the same entry-level object category. The task is challenging due to the facts that (1) training images with ground-truth labels are…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Yabin Zhang , Kui Jia , Zhixin Wang

In this work, we focus on the task of weakly supervised affordance grounding, where a model is trained to identify affordance regions on objects using human-object interaction images and egocentric object images without dense labels.…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Peiran Xu , Yadong Mu

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

3D visual grounding is the task of localizing the object in a 3D scene which is referred by a description in natural language. With a wide range of applications ranging from autonomous indoor robotics to AR/VR, the task has recently risen…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Ozan Unal , Christos Sakaridis , Suman Saha , Luc Van Gool

Different from Object Detection, Visual Grounding deals with detecting a bounding box for each text-image pair. This one box for each text-image data provides sparse supervision signals. Although previous works achieve impressive results,…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Weitai Kang , Gaowen Liu , Mubarak Shah , Yan Yan