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Recently, large-scale pre-trained Vision and Language (VL) models have set a new state-of-the-art (SOTA) in zero-shot visual classification enabling open-vocabulary recognition of potentially unlimited set of categories defined as simple…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Mateusz Kozinski , Horst Possegger , Rogerio Feris , Horst Bischof

In this paper a new formulation of event recognition task is examined: it is required to predict event categories in a gallery of images, for which albums (groups of photos corresponding to a single event) are unknown. We propose the novel…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Andrey V. Savchenko

The goal of unpaired image captioning (UIC) is to describe images without using image-caption pairs in the training phase. Although challenging, we except the task can be accomplished by leveraging a training set of images aligned with…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Peipei Zhu , Xiao Wang , Yong Luo , Zhenglong Sun , Wei-Shi Zheng , Yaowei Wang , Changwen Chen

Large-scale vision 2D vision language models, such as CLIP can be aligned with a 3D encoder to learn generalizable (open-vocabulary) 3D vision models. However, current methods require supervised pre-training for such alignment, and the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Amaya Dharmasiri , Muzammal Naseer , Salman Khan , Fahad Shahbaz Khan

Incorporating auxiliary modalities such as images into event detection models has attracted increasing interest over the last few years. The complexity of natural language in describing situations has motivated researchers to leverage the…

Computation and Language · Computer Science 2023-06-06 Farhad Moghimifar , Fatemeh Shiri , Van Nguyen , Reza Haffari , Yuan-Fang Li

Unsupervised object-centric learning methods allow the partitioning of scenes into entities without additional localization information and are excellent candidates for reducing the annotation burden of multiple-object tracking (MOT)…

Object detectors are typically learned on fully-annotated training data with fixed predefined categories. However, categories are often required to be increased progressively. Usually, only the original training set annotated with old…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Bowen Zhao , Chen Chen , Xi Xiao , Shutao Xia

This paper studies the problem of novel category discovery on single- and multi-modal data with labels from different but relevant categories. We present a generic, end-to-end framework to jointly learn a reliable representation and assign…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Xuhui Jia , Kai Han , Yukun Zhu , Bradley Green

Contrastive Language-Image Pretraining (CLIP) has demonstrated impressive zero-shot learning abilities for image understanding, yet limited effort has been made to investigate CLIP for zero-shot video recognition. We introduce Open-VCLIP, a…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Zejia Weng , Xitong Yang , Ang Li , Zuxuan Wu , Yu-Gang Jiang

This article investigates a data-driven approach for semantically scene understanding, without pixelwise annotation and classifier training. Our framework parses a target image with two steps: (i) retrieving its exemplars (i.e. references)…

Computer Vision and Pattern Recognition · Computer Science 2015-02-04 Xionghao Liu , Wei Yang , Liang Lin , Qing Wang , Zhaoquan Cai , Jianhuang Lai

Object proposal generation is an important and fundamental task in computer vision. In this paper, we propose ProposalCLIP, a method towards unsupervised open-category object proposal generation. Unlike previous works which require a large…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Hengcan Shi , Munawar Hayat , Yicheng Wu , Jianfei Cai

We tackle the problem of learning object detectors without supervision. Differently from weakly-supervised object detection, we do not assume image-level class labels. Instead, we extract a supervisory signal from audio-visual data, using…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Triantafyllos Afouras , Yuki M. Asano , Francois Fagan , Andrea Vedaldi , Florian Metze

As working with large datasets becomes standard, the task of accurately retrieving images containing objects of interest by an open set textual query gains practical importance. The current leading approach utilizes a pre-trained CLIP model…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Hila Levi , Guy Heller , Dan Levi

Semantic segmentation has a broad range of applications, but its real-world impact has been significantly limited by the prohibitive annotation costs necessary to enable deployment. Segmentation methods that forgo supervision can side-step…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Gyungin Shin , Weidi Xie , Samuel Albanie

This paper studies the problem of object discovery -- separating objects from the background without manual labels. Existing approaches utilize appearance cues, such as color, texture, and location, to group pixels into object-like regions.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Zhipeng Bao , Pavel Tokmakov , Allan Jabri , Yu-Xiong Wang , Adrien Gaidon , Martial Hebert

Overlapping sound events are ubiquitous in real-world environments, but existing end-to-end sound event detection (SED) methods still struggle to detect them effectively. A critical reason is that these methods represent overlapping events…

Sound · Computer Science 2024-01-12 Yadong Guan , Jiqing Han , Hongwei Song , Wenjie Song , Guibin Zheng , Tieran Zheng , Yongjun He

In Composed Image Retrieval (CIR), a user combines a query image with text to describe their intended target. Existing methods rely on supervised learning of CIR models using labeled triplets consisting of the query image, text…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Kuniaki Saito , Kihyuk Sohn , Xiang Zhang , Chun-Liang Li , Chen-Yu Lee , Kate Saenko , Tomas Pfister

Event-based semantic segmentation has gained popularity due to its capability to deal with scenarios under high-speed motion and extreme lighting conditions, which cannot be addressed by conventional RGB cameras. Since it is hard to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Linglin Jing , Yiming Ding , Yunpeng Gao , Zhigang Wang , Xu Yan , Dong Wang , Gerald Schaefer , Hui Fang , Bin Zhao , Xuelong Li

Event-based keypoint detection and matching holds significant potential, enabling the integration of event sensors into highly optimized Visual SLAM systems developed for frame cameras over decades of research. Unfortunately, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yannick Burkhardt , Simon Schaefer , Stefan Leutenegger

Multi-label classification is an essential task utilized in a wide variety of real-world applications. Multi-label zero-shot learning is a method for classifying images into multiple unseen categories for which no training data is…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Muhammad Ali , Salman Khan