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Most existing CNN-based salient object detection methods can identify local segmentation details like hair and animal fur, but often misinterpret the real saliency due to the lack of global contextual information caused by the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Bo Xu , Guanze Liu , Han Huang , Cheng Lu , Yandong Guo

Open-vocabulary image segmentation aims to partition an image into semantic regions according to arbitrary text descriptions. However, complex visual scenes can be naturally decomposed into simpler parts and abstracted at multiple levels of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Xudong Wang , Shufan Li , Konstantinos Kallidromitis , Yusuke Kato , Kazuki Kozuka , Trevor Darrell

3D open-vocabulary scene understanding aims to recognize arbitrary novel categories beyond the base label space. However, existing works not only fail to fully utilize all the available modal information in the 3D domain but also lack…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Qingdong He , Jinlong Peng , Zhengkai Jiang , Kai Wu , Xiaozhong Ji , Jiangning Zhang , Yabiao Wang , Chengjie Wang , Mingang Chen , Yunsheng Wu

Open-vocabulary detection (OVD) is an object detection task aiming at detecting objects from novel categories beyond the base categories on which the detector is trained. Recent OVD methods rely on large-scale visual-language pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Xiaoshi Wu , Feng Zhu , Rui Zhao , Hongsheng Li

With the widespread application of drones in recent years, object detection of aerial images has attracted increasing attention, especially open-vocabulary aerial detection which is not restricted to predefined categories. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Ruihao Xu , Yong Liu , Yansong Tang , Sule Bai , Xubing Ye , Bingyao Yu , Yutao Guo , Jiwen Lu , Jie Zhou

Open-Vocabulary Segmentation (OVS) methods offer promising capabilities in detecting unseen object categories, but the category must be known and needs to be provided by a human, either via a text prompt or pre-labeled datasets, thus…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Weijie Wei , Osman Ülger , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Open-vocabulary object detection (OVOD) enables models to recognize objects beyond predefined categories, but existing approaches remain limited in practical deployment. On the one hand, multimodal designs often incur substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Siheng Wang , Yanshu Li , Bohan Hu , Zhengdao Li , Haibo Zhan , Linshan Li , Weiming Liu , Ruizhi Qian , Guangxin Wu , Hao Zhang , Jifeng Shen , Piotr Koniusz , Zhengtao Yao , Junhao Dong , Qiang Sun

Recently, open-vocabulary image classification by vision language pre-training has demonstrated incredible achievements, that the model can classify arbitrary categories without seeing additional annotated images of that category. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Han Hu , Xiang Bai

Self-supervised vision-and-language pretraining (VLP) aims to learn transferable multi-modal representations from large-scale image-text data and to achieve strong performances on a broad scope of vision-language tasks after finetuning.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Yongfei Liu , Chenfei Wu , Shao-yen Tseng , Vasudev Lal , Xuming He , Nan Duan

Open-vocabulary video visual relationship detection aims to expand video visual relationship detection beyond annotated categories by detecting unseen relationships between both seen and unseen objects in videos. Existing methods usually…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yongqi Wang , Xinxiao Wu , Shuo Yang , Jiebo Luo

This article addresses the problem of distilling knowledge from a large teacher model to a slim student network for LiDAR semantic segmentation. Directly employing previous distillation approaches yields inferior results due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Yuenan Hou , Xinge Zhu , Yuexin Ma , Chen Change Loy , Yikang Li

Affordance detection presents intricate challenges and has a wide range of robotic applications. Previous works have faced limitations such as the complexities of 3D object shapes, the wide range of potential affordances on real-world…

Robotics · Computer Science 2023-09-21 Tuan Van Vo , Minh Nhat Vu , Baoru Huang , Toan Nguyen , Ngan Le , Thieu Vo , Anh Nguyen

Open-vocabulary object detection (OvOD) has transformed detection into a language-guided task, empowering users to freely define their class vocabularies of interest during inference. However, our initial investigation indicates that…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Mingxuan Liu , Tyler L. Hayes , Elisa Ricci , Gabriela Csurka , Riccardo Volpi

The goal of open-vocabulary detection is to identify novel objects based on arbitrary textual descriptions. In this paper, we address open-vocabulary 3D point-cloud detection by a dividing-and-conquering strategy, which involves: 1)…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Yuheng Lu , Chenfeng Xu , Xiaobao Wei , Xiaodong Xie , Masayoshi Tomizuka , Kurt Keutzer , Shanghang Zhang

Contrastive language-image pretraining (CLIP) links vision and language modalities into a unified embedding space, yielding the tremendous potential for vision-language (VL) tasks. While early concurrent works have begun to study this…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Zhecan Wang , Noel Codella , Yen-Chun Chen , Luowei Zhou , Jianwei Yang , Xiyang Dai , Bin Xiao , Haoxuan You , Shih-Fu Chang , Lu Yuan

In autonomous driving and robotics, ensuring road safety and reliable decision-making critically depends on out-of-distribution (OOD) segmentation. While numerous methods have been proposed to detect anomalous objects on the road,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Seungheon Song , Jaekoo Lee

In trustworthy medical diagnosis systems, integrating out-of-distribution (OOD) detection aims to identify unknown diseases in samples, thereby mitigating the risk of misdiagnosis. In this study, we propose a novel OOD detection framework…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Runhe Lai , Xinhua Lu , Kanghao Chen , Qichao Chen , Wei-Shi Zheng , Ruixuan Wang

Distilling the structured information captured in feature maps has contributed to improved results for object detection tasks, but requires careful selection of baseline architectures and substantial pre-training. Self-distillation…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Jieren Deng , Xin Zhou , Hao Tian , Zhihong Pan , Derek Aguiar

Recently, the emergence of the large-scale vision-language model (VLM), such as CLIP, has opened the way towards open-world object perception. Many works have explored the utilization of pre-trained VLM for the challenging open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Youwei Pang , Xiaoqi Zhao , Jiaming Zuo , Lihe Zhang , Huchuan Lu

A straightforward pipeline for zero-shot out-of-distribution (OOD) detection involves selecting potential OOD labels from an extensive semantic pool and then leveraging a pre-trained vision-language model to perform classification on both…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Mengyuan Chen , Junyu Gao , Changsheng Xu