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Scene text recognition is an important and challenging task in computer vision. However, most prior works focus on recognizing pre-defined words, while there are various out-of-vocabulary (OOV) words in real-world applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Xuhua Ren , Hengcan Shi , Jin Li

Open-vocabulary object detection focusing on detecting novel categories guided by natural language. In this report, we propose Open-Vocabulary Light-Weighted Detection Transformer (OVLW-DETR), a deployment friendly open-vocabulary detector…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yu Wang , Xiangbo Su , Qiang Chen , Xinyu Zhang , Teng Xi , Kun Yao , Errui Ding , Gang Zhang , Jingdong Wang

Recent works have shown huge success of deep learning models for common in vocabulary (IV) scene text recognition. However, in real-world scenarios, out-of-vocabulary (OOV) words are of great importance and SOTA recognition models usually…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Jinshui Hu , Chenyu Liu , Qiandong Yan , Xuyang Zhu , Jiajia Wu , Jun Du , Lirong Dai

Open-vocabulary video instance segmentation strives to segment and track instances belonging to an open set of categories in a videos. The vision-language model Contrastive Language-Image Pre-training (CLIP) has shown robust zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Wenqi Zhu , Jiale Cao , Jin Xie , Shuangming Yang , Yanwei Pang

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

Recent advances in foundational Vision Language Models (VLMs) have reshaped the evaluation paradigm in computer vision tasks. These foundational models, especially CLIP, have accelerated research in open-vocabulary computer vision tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 M. Arda Aydın , Efe Mert Çırpar , Elvin Abdinli , Gozde Unal , Yusuf H. Sahin

Change Detection (CD) is a fundamental task in remote sensing. It monitors the evolution of land cover over time. Based on this, Open-Vocabulary Change Detection (OVCD) introduces a new requirement. It aims to reduce the reliance on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Xu Zhang , Danyang Li , Yingjie Xia , Xiaohang Dong , Hualong Yu , Jianye Wang , Qicheng Li

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

To alleviate the cost of obtaining accurate bounding boxes for training today's state-of-the-art object detection models, recent weakly supervised detection work has proposed techniques to learn from image-level labels. However, requiring…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Keren Ye , Mingda Zhang , Wei Li , Danfeng Qin , Adriana Kovashka , Jesse Berent

Weakly supervised monocular 3D detection, while less annotation-intensive, often struggles to capture the global context required for reliable 3D reasoning. Conventional label-efficient methods focus on object-centric features, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Chupeng Liu , Runkai Zhao , Weidong Cai

Existing object detectors often struggle to generalize across domains while adapting to emerging novel categories. Adaptive open-set object detection (AOOD) addresses this challenge by training on base categories in the source domain and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yuqi Ji , Junjie Ke , Lihuo He , Lizhi Wang , Xinbo Gao

Recently, Vision-Language Models (VLMs) have advanced segmentation techniques by shifting from the traditional segmentation of a closed-set of predefined object classes to open-vocabulary segmentation (OVS), allowing users to segment novel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Gonca Yilmaz , Songyou Peng , Marc Pollefeys , Francis Engelmann , Hermann Blum

The nature of diversity in real-world environments necessitates neural network models to expand from closed category settings to accommodate novel emerging categories. In this paper, we study the open-vocabulary object detection (OVD),…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Sunyuan Qiang , Xianfei Li , Yanyan Liang , Wenlong Liao , Tao He , Pai Peng

Prompt learning has emerged as an efficient and effective method for fine-tuning vision-language models such as CLIP. While many studies have explored generalisation abilities of these models in few-shot classification tasks and a few…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Myong Chol Jung , Joanna Dipnall , Belinda Gabbe , He Zhao

Large Vision Language Models (VLMs), such as CLIP, have significantly contributed to various computer vision tasks, including object recognition and object detection. Their open vocabulary feature enhances their value. However, their…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Ali Rasekh , Sepehr Kazemi Ranjbar , Milad Heidari , Wolfgang Nejdl

With the human pursuit of knowledge, open-set object detection (OSOD) has been designed to identify unknown objects in a dynamic world. However, an issue with the current setting is that all the predicted unknown objects share the same…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jiyang Zheng , Weihao Li , Jie Hong , Lars Petersson , Nick Barnes

Dense visual prediction tasks have been constrained by their reliance on predefined categories, limiting their applicability in real-world scenarios where visual concepts are unbounded. While Vision-Language Models (VLMs) like CLIP have…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Junjie Wang , Bin Chen , Yulin Li , Bin Kang , Yichi Chen , Zhuotao Tian

Dense visual perception tasks have been constrained by their reliance on predefined categories, limiting their applicability in real-world scenarios where visual concepts are unbounded. While Vision-Language Models (VLMs) like CLIP have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Junjie Wang , Keyu Chen , Yulin Li , Bin Chen , Hengshuang Zhao , Xiaojuan Qi , Zhuotao Tian

Traditional closed-set 3D detection frameworks fail to meet the demands of open-world applications like autonomous driving. Existing open-vocabulary 3D detection methods typically adopt a two-stage pipeline consisting of pseudo-label…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Qi Liu , Yabei Li , Hongsong Wang , Lei He

Open-vocabulary learning has emerged as a cutting-edge research area, particularly in light of the widespread adoption of vision-based foundational models. Its primary objective is to comprehend novel concepts that are not encompassed…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Chunlei Wang , Wenquan Feng , Xiangtai Li , Guangliang Cheng , Shuchang Lyu , Binghao Liu , Lijiang Chen , Qi Zhao