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Related papers: OpenDPR: Open-Vocabulary Change Detection via Visi…

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Out-of-distribution (OOD) detection is crucial for model reliability, as it identifies samples from unknown classes and reduces errors due to unexpected inputs. Vision-Language Models (VLMs) such as CLIP are emerging as powerful tools for…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Yabin Zhang , Wenjie Zhu , Chenhang He , Lei Zhang

Prior research on out-of-distribution detection (OoDD) has primarily focused on single-modality models. Recently, with the advent of large-scale pretrained vision-language models such as CLIP, OoDD methods utilizing such multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jeonghyeon Kim , Sangheum Hwang

Remote sensing change detection is crucial for understanding the dynamics of our planet's surface, facilitating the monitoring of environmental changes, evaluating human impact, predicting future trends, and supporting decision-making. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Wele Gedara Chaminda Bandara , Nithin Gopalakrishnan Nair , Vishal M. Patel

In this paper, we investigate the use of diffusion models which are pre-trained on large-scale image-caption pairs for open-vocabulary 3D semantic understanding. We propose a novel method, namely Diff2Scene, which leverages frozen…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xiaoyu Zhu , Hao Zhou , Pengfei Xing , Long Zhao , Hao Xu , Junwei Liang , Alexander Hauptmann , Ting Liu , Andrew Gallagher

Novelty detection is a fundamental task of machine learning which aims to detect abnormal ($\textit{i.e.}$ out-of-distribution (OOD)) samples. Since diffusion models have recently emerged as the de facto standard generative framework with…

Machine Learning · Computer Science 2023-12-06 Sungik Choi , Hankook Lee , Honglak Lee , Moontae Lee

Limited by the encoder-decoder architecture, learning-based edge detectors usually have difficulty predicting edge maps that satisfy both correctness and crispness. With the recent success of the diffusion probabilistic model (DPM), we…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Yunfan Ye , Kai Xu , Yuhang Huang , Renjiao Yi , Zhiping Cai

Open-vocabulary object detection aims to provide object detectors trained on a fixed set of object categories with the generalizability to detect objects described by arbitrary text queries. Previous methods adopt knowledge distillation to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Luting Wang , Yi Liu , Penghui Du , Zihan Ding , Yue Liao , Qiaosong Qi , Biaolong Chen , Si Liu

Vision-language modeling has enabled open-vocabulary tasks where predictions can be queried using any text prompt in a zero-shot manner. Existing open-vocabulary tasks focus on object classes, whereas research on object attributes is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 María A. Bravo , Sudhanshu Mittal , Simon Ging , Thomas Brox

This paper presents a novel training-free framework for open-vocabulary image segmentation and object recognition (OVSR), which leverages EfficientNetB0, a convolutional neural network, for unsupervised segmentation and CLIP, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Ying Dai , Wei Yu Chen

Open-vocabulary panoptic segmentation remains hindered by two coupled issues: (i) mask selection bias, where objectness heads trained on closed vocabularies suppress masks of categories not observed in training, and (ii) limited regional…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Nikolay Kormushev , Josip Šarić , Matej Kristan

Diffusion models have recently set new benchmarks in Speech Enhancement (SE). However, most existing score-based models treat speech spectrograms merely as generic 2D images, applying uniform processing that ignores the intrinsic structural…

Sound · Computer Science 2026-02-03 Ke Xue , Rongfei Fan , Kai Li , Shanping Yu , Puning Zhao , Jianping An

This paper identifies OpenSDI, a challenge for spotting diffusion-generated images in open-world settings. In response to this challenge, we define a new benchmark, the OpenSDI dataset (OpenSDID), which stands out from existing datasets due…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Yabin Wang , Zhiwu Huang , Xiaopeng Hong

In this paper, we investigate a practical yet challenging task: On-the-fly Category Discovery (OCD). This task focuses on the online identification of newly arriving stream data that may belong to both known and unknown categories,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Xiao Liu , Nan Pu , Haiyang Zheng , Wenjing Li , Nicu Sebe , Zhun Zhong

We focus on the challenge of out-of-distribution (OOD) detection in deep learning models, a crucial aspect in ensuring reliability. Despite considerable effort, the problem remains significantly challenging in deep learning models due to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Yunhao Ge , Jie Ren , Jiaping Zhao , Kaifeng Chen , Andrew Gallagher , Laurent Itti , Balaji Lakshminarayanan

Overlapping Speech Detection (OSD) aims to identify regions where multiple speakers overlap in a conversation, a critical challenge in multi-party speech processing. This work proposes a speaker-aware progressive OSD model that leverages a…

Sound · Computer Science 2025-05-30 Zhaokai Sun , Li Zhang , Qing Wang , Pan Zhou , Lei Xie

It is always a challenge for recommender systems to give high-quality outcomes to cold-start users. One potential solution to alleviate the data sparsity problem for cold-start users in the target domain is to add data from the auxiliary…

Information Retrieval · Computer Science 2024-02-06 Yuner Xuan

Unsupervised out-of-distribution (OOD) detection aims to identify out-of-domain data by learning only from unlabeled In-Distribution (ID) training samples, which is crucial for developing a safe real-world machine learning system. Current…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Ying Yang , De Cheng , Chaowei Fang , Yubiao Wang , Changzhe Jiao , Lechao Cheng , Nannan Wang

Open-Vocabulary object detectors can generalize to an unrestricted set of categories through simple textual prompting. However, adapting these models to rare classes or reinforcing their abilities on multiple specialized domains remains…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Chiara Cappellino , Gianluca Mancusi , Matteo Mosconi , Angelo Porrello , Simone Calderara , Rita Cucchiara

Classical object detectors are incapable of detecting novel class objects that are not encountered before. Regarding this issue, Open-Vocabulary Object Detection (OVOD) is proposed, which aims to detect the objects in the candidate class…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Zhao Wang , Aoxue Li , Fengwei Zhou , Zhenguo Li , Qi Dou

Unlike closed-vocabulary 3D instance segmentation that is often trained end-to-end, open-vocabulary 3D instance segmentation (OV-3DIS) often leverages vision-language models (VLMs) to generate 3D instance proposals and classify them. While…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Sanghun Jung , Jingjing Zheng , Ke Zhang , Nan Qiao , Albert Y. C. Chen , Lu Xia , Chi Liu , Yuyin Sun , Xiao Zeng , Hsiang-Wei Huang , Byron Boots , Min Sun , Cheng-Hao Kuo