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People easily recognize new visual categories that are new combinations of known components. This compositional generalization capacity is critical for learning in real-world domains like vision and language because the long tail of new…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Yuval Atzmon , Felix Kreuk , Uri Shalit , Gal Chechik

Zero-shot learning (ZSL) aims to recognize unseen classes without visual instances. However, existing methods usually assume clean labels, overlooking real-world label noise and ambiguity, which degrades performance. To bridge this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiangnan Li , Linqing Huang , Xiaowen Yan , Min Gan , Wenpeng Lu , Jinfu Fan

One-shot action recognition aims to recognize new action categories from a single reference example, typically referred to as the anchor example. This work presents a novel approach for one-shot action recognition in the wild that computes…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Alberto Sabater , Laura Santos , Jose Santos-Victor , Alexandre Bernardino , Luis Montesano , Ana C. Murillo

Hand gesture recognition allows humans to interact with machines non-verbally, which has a huge application in underwater exploration using autonomous underwater vehicles. Recently, a new gesture-based language called CADDIAN has been…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Sandipan Sarma , Gundameedi Sai Ram Mohan , Hariansh Sehgal , Arijit Sur

Given semantic descriptions of object classes, zero-shot learning aims to accurately recognize objects of the unseen classes, from which no examples are available at the training stage, by associating them to the seen classes, from which…

Computer Vision and Pattern Recognition · Computer Science 2016-05-31 Soravit Changpinyo , Wei-Lun Chao , Boqing Gong , Fei Sha

Fine-grained zero-shot learning task requires some form of side-information to transfer discriminative information from seen to unseen classes. As manually annotated visual attributes are extremely costly and often impractical to obtain for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Sarkhan Badirli , Zeynep Akata , George Mohler , Christine Picard , Murat Dundar

Zero-Shot Learning (ZSL) aims to recognise unseen object classes, which are not observed during the training phase. The existing body of works on ZSL mostly relies on pretrained visual features and lacks the explicit attribute localisation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Faisal Alamri , Anjan Dutta

This paper studies zero-shot object recognition using event camera data. Guided by CLIP, which is pre-trained on RGB images, existing approaches achieve zero-shot object recognition by optimizing embedding similarities between event data…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Yan Yang , Liyuan Pan , Dongxu Li , Liu Liu

We present a novel, training-free approach to scene change detection. Our method leverages tracking models, which inherently perform change detection between consecutive frames of video by identifying common objects and detecting new or…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Kyusik Cho , Dong Yeop Kim , Euntai Kim

Deep metric learning maps visually similar images onto nearby locations and visually dissimilar images apart from each other in an embedding manifold. The learning process is mainly based on the supplied image negative and positive training…

Computer Vision and Pattern Recognition · Computer Science 2020-09-14 Chang-Hui Liang , Wan-Lei Zhao , Run-Qing Chen

We propose a novel system for unsupervised skeleton-based action recognition. Given inputs of body keypoints sequences obtained during various movements, our system associates the sequences with actions. Our system is based on an…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Kun Su , Xiulong Liu , Eli Shlizerman

Large Vision-Language Models (LVLMs) have demonstrated impressive performance on vision-language reasoning tasks. However, their potential for zero-shot fine-grained image classification, a challenging task requiring precise differentiation…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Md. Atabuzzaman , Andrew Zhang , Chris Thomas

Despite advancements in Multimodal Large Language Models (MLLMs), their proficiency in fine-grained video motion understanding remains critically limited. They often lack inter-frame differencing and tend to average or ignore subtle visual…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Yipeng Du , Tiehan Fan , Kepan Nan , Rui Xie , Penghao Zhou , Xiang Li , Jian Yang , Zhenheng Yang , Ying Tai

The canonical approach to video action recognition dictates a neural model to do a classic and standard 1-of-N majority vote task. They are trained to predict a fixed set of predefined categories, limiting their transferable ability on new…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Mengmeng Wang , Jiazheng Xing , Yong Liu

Recently, numerous methods have achieved impressive performance in remote sensing object detection, relying on convolution or transformer architectures. Such detectors typically have a feature backbone to extract useful features from raw…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 JongHyun Park , Yechan Kim , Moongu Jeon

Prior work has demonstrated the feasibility of automated activity recognition in robot-assisted surgery from motion data. However, these efforts have assumed the availability of a large number of densely-annotated sequences, which must be…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Robert DiPietro , Gregory D. Hager

Few-shot video action recognition is an effective approach to recognizing new categories with only a few labeled examples, thereby reducing the challenges associated with collecting and annotating large-scale video datasets. Existing…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Sarinda Samarasinghe , Mamshad Nayeem Rizve , Navid Kardan , Mubarak Shah

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Zero-shot learning is a new paradigm to classify objects from classes that are not available at training time. Zero-shot learning (ZSL) methods have attracted considerable attention in recent years because of their ability to classify…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Chandan Gautam , Sethupathy Parameswaran , Ashish Mishra , Suresh Sundaram

Generalized zero-shot learning (GZSL) is a technique to train a deep learning model to identify unseen classes using the attribute. In this paper, we put forth a new GZSL technique that improves the GZSL classification performance greatly.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Junhan Kim , Kyuhong Shim , Byonghyo Shim