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Recent advancements in large-scale pre-training of visual-language models on paired image-text data have demonstrated impressive generalization capabilities for zero-shot tasks. Building on this success, efforts have been made to adapt…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Shahzad Ahmad , Sukalpa Chanda , Yogesh S Rawat

Prompt engineering is a powerful tool used to enhance the performance of pre-trained models on downstream tasks. For example, providing the prompt "Let's think step by step" improved GPT-3's reasoning accuracy to 63% on MutiArith while…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Cheng Shi , Sibei Yang

Can we teach a robot to recognize and make predictions for activities that it has never seen before? We tackle this problem by learning models for video from text. This paper presents a hierarchical model that generalizes instructional…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Fadime Sener , Rishabh Saraf , Angela Yao

Large-scale pre-trained models have demonstrated impressive performance in vision and language tasks within open-world scenarios. Due to the lack of comparable pre-trained models for 3D shapes, recent methods utilize language-image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Dan Song , Xinwei Fu , Ning Liu , Weizhi Nie , Wenhui Li , Lanjun Wang , You Yang , Anan Liu

Pre-training a model to learn transferable video-text representation for retrieval has attracted a lot of attention in recent years. Previous dominant works mainly adopt two separate encoders for efficient retrieval, but ignore local…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Yuying Ge , Yixiao Ge , Xihui Liu , Dian Li , Ying Shan , Xiaohu Qie , Ping Luo

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

Modeling virtual agents with behavior style is one factor for personalizing human agent interaction. We propose an efficient yet effective machine learning approach to synthesize gestures driven by prosodic features and text in the style of…

Sound · Computer Science 2022-08-04 Mireille Fares , Michele Grimaldi , Catherine Pelachaud , Nicolas Obin

Zero-shot scene understanding in real-world settings presents major challenges due to the complexity and variability of natural scenes, where models must recognize new objects, actions, and contexts without prior labeled examples. This work…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

Voice Conversion research in recent times has increasingly focused on improving the zero-shot capabilities of existing methods. Despite remarkable advancements, current architectures still tend to struggle in zero-shot cross-lingual…

Sound · Computer Science 2025-05-26 Advait Joglekar , Divyanshu Singh , Rooshil Rohit Bhatia , S. Umesh

Zero-shot generalization across various robots, tasks and environments remains a significant challenge in robotic manipulation. Policy code generation methods use executable code to connect high-level task descriptions and low-level action…

Robotics · Computer Science 2025-01-09 Senwei Xie , Hongyu Wang , Zhanqi Xiao , Ruiping Wang , Xilin Chen

Vision-Language Models (VLMs), such as CLIP, have significantly advanced zero-shot image recognition. However, their performance remains limited by suboptimal prompt engineering and poor adaptability to target classes. While recent methods…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Hui Liu , Kecheng Chen , Jialiang Wang , Xianming Liu , Wenya Wang , Haoliang Li

Transductive zero-shot learning with vision-language models leverages image-image similarities within the dataset to achieve better classification accuracy compared to the inductive setting. However, there is little work that explores the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Oindrila Saha , Logan Lawrence , Grant Van Horn , Subhransu Maji

Kinematic trajectories recorded from surgical robots contain information about surgical gestures and potentially encode cues about surgeon's skill levels. Automatic segmentation of these trajectories into meaningful action units could help…

Robotics · Computer Science 2019-07-26 Beatrice van Amsterdam , Hirenkumar Nakawala , Elena De Momi , Danail Stoyanov

Hand gesture is one of the most important means of touchless communication between human and machines. There is a great interest for commanding electronic equipment in surgery rooms by hand gesture for reducing the time of surgery and the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 Ebrahim Nasr-Esfahani , Nader Karimi , S. M. Reza Soroushmehr , M. Hossein Jafari , M. Amin Khorsandi , Shadrokh Samavi , Kayvan Najarian

We describe a protocol to study text-to-video retrieval training with unlabeled videos, where we assume (i) no access to labels for any videos, i.e., no access to the set of ground-truth captions, but (ii) access to labeled images in the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Lucas Ventura , Cordelia Schmid , Gül Varol

Pre-trained vision-language models (e.g., CLIP) have shown promising zero-shot generalization in many downstream tasks with properly designed text prompts. Instead of relying on hand-engineered prompts, recent works learn prompts using the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Manli Shu , Weili Nie , De-An Huang , Zhiding Yu , Tom Goldstein , Anima Anandkumar , Chaowei Xiao

Zero-shot 3D anomaly detection aims to identify anomalies without access to training data from target categories. However, existing methods mainly rely on projecting 3D observations into multi-view representations that primarily capture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Letian Bai , Xuanming Cao , Juan Du , Chengyu Tao

Recent works on zero-shot learning make use of side information such as visual attributes or natural language semantics to define the relations between output visual classes and then use these relationships to draw inference on new unseen…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Saumya Jetley , Bernardino Romera-Paredes , Sadeep Jayasumana , Philip Torr

Semantic segmentation, which aims to acquire a detailed understanding of images, is an essential issue in computer vision. However, in practical scenarios, new categories that are different from the categories in training usually appear.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Haiyang Liu , Yichen Wang , Jiayi Zhao , Guowu Yang , Fengmao Lv

Accurate video moment retrieval (VMR) requires universal visual-textual correlations that can handle unknown vocabulary and unseen scenes. However, the learned correlations are likely either biased when derived from a limited amount of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Dezhao Luo , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu