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Related papers: CLIP-VAD: Exploiting Vision-Language Models for Vo…

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Reverberation not only degrades the quality of speech for human perception, but also severely impacts the accuracy of automatic speech recognition. Prior work attempts to remove reverberation based on the audio modality only. Our idea is to…

Sound · Computer Science 2023-03-15 Changan Chen , Wei Sun , David Harwath , Kristen Grauman

Vision-language models (VLMs) have emerged as formidable tools, showing their strong capability in handling various open-vocabulary tasks in image recognition, text-driven visual content generation, and visual chatbots, to name a few. In…

Machine Learning · Computer Science 2024-06-17 Shuoyuan Wang , Jindong Wang , Guoqing Wang , Bob Zhang , Kaiyang Zhou , Hongxin Wei

Vision-Language Pre-training (VLP) has advanced the performance for many vision-language tasks. However, most existing pre-trained models only excel in either understanding-based tasks or generation-based tasks. Furthermore, performance…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Junnan Li , Dongxu Li , Caiming Xiong , Steven Hoi

Understanding objects in videos in terms of fine-grained localization masks and detailed semantic properties is a fundamental task in video understanding. In this paper, we propose VoCap, a flexible video model that consumes a video and a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Jasper Uijlings , Xingyi Zhou , Xiuye Gu , Arsha Nagrani , Anurag Arnab , Alireza Fathi , David Ross , Cordelia Schmid

CLIP (Contrastive Language-Image Pretraining) is well-developed for open-vocabulary zero-shot image-level recognition, while its applications in pixel-level tasks are less investigated, where most efforts directly adopt CLIP features…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Jie Guo , Qimeng Wang , Yan Gao , Xiaolong Jiang , Xu Tang , Yao Hu , Baochang Zhang

Robust Voice Activity Detection (VAD) remains a challenging task, especially under noisy, diverse, and unseen acoustic conditions. Beyond algorithmic development, a key limitation in advancing VAD research is the lack of large-scale,…

Contrastive Language-Image Pre-training (CLIP) has significantly improved performance in various vision-language tasks by expanding the dataset with image-text pairs obtained from websites. This paper further explores CLIP from the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Tiancheng Gu , Kaicheng Yang , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

Voice activity detection (VAD) is essential in speech-based systems, but traditional methods detect only speech presence without identifying speakers. Target-speaker VAD (TS-VAD) extends this by detecting the speech of a known speaker using…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-16 Wen-Yung Wu , Pei-Chin Hsieh , Tai-Shih Chi

Training models to apply common-sense linguistic knowledge and visual concepts from 2D images to 3D scene understanding is a promising direction that researchers have only recently started to explore. However, it still remains understudied…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Alexandros Delitzas , Maria Parelli , Nikolas Hars , Georgios Vlassis , Sotirios Anagnostidis , Gregor Bachmann , Thomas Hofmann

There are a thousand ways to caption an image. Contrastive Language Pretraining (CLIP) on the other hand, works by mapping an image and its caption to a single vector -- limiting how well CLIP-like models can represent the diverse ways to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Samuel Lavoie , Polina Kirichenko , Mark Ibrahim , Mahmoud Assran , Andrew Gordon Wilson , Aaron Courville , Nicolas Ballas

Open-vocabulary semantic segmentation aims to segment an image into semantic regions according to text descriptions, which may not have been seen during training. Recent two-stage methods first generate class-agnostic mask proposals and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Feng Liang , Bichen Wu , Xiaoliang Dai , Kunpeng Li , Yinan Zhao , Hang Zhang , Peizhao Zhang , Peter Vajda , Diana Marculescu

Pre-trained vision-language models, e.g. CLIP, have been increasingly used to address the challenging Open-Vocabulary Segmentation (OVS) task, benefiting from their well-aligned vision-text embedding space. Typical solutions involve either…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Siyu Jiao , Hongguang Zhu , Jiannan Huang , Yao Zhao , Yunchao Wei , Humphrey Shi

Despite significant results achieved by Contrastive Language-Image Pretraining (CLIP) in zero-shot image recognition, limited effort has been made exploring its potential for zero-shot video recognition. This paper presents Open-VCLIP++, a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Zuxuan Wu , Zejia Weng , Wujian Peng , Xitong Yang , Ang Li , Larry S. Davis , Yu-Gang Jiang

Scene understanding is essential for enhancing driver safety, generating human-centric explanations for Automated Vehicle (AV) decisions, and leveraging Artificial Intelligence (AI) for retrospective driving video analysis. This study…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Mohammed Elhenawy , Huthaifa I. Ashqar , Andry Rakotonirainy , Taqwa I. Alhadidi , Ahmed Jaber , Mohammad Abu Tami

Active speaker detection (ASD) systems are important modules for analyzing multi-talker conversations. They aim to detect which speakers or none are talking in a visual scene at any given time. Existing research on ASD does not agree on the…

Sound · Computer Science 2022-07-12 Abudukelimu Wuerkaixi , You Zhang , Zhiyao Duan , Changshui Zhang

We introduce SuperClass, a super simple classification method for vision-language pre-training on image-text data. Unlike its contrastive counterpart CLIP who contrast with a text encoder, SuperClass directly utilizes tokenized raw text as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Zilong Huang , Qinghao Ye , Bingyi Kang , Jiashi Feng , Haoqi Fan

Target-speaker voice activity detection (TS-VAD) has recently shown promising results for speaker diarization on highly overlapped speech. However, the original model requires a fixed (and known) number of speakers, which limits its…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-10 Maokui He , Desh Raj , Zili Huang , Jun Du , Zhuo Chen , Shinji Watanabe

Out-of-distribution (OOD) detection is essential in autonomous driving, to determine when learning-based components encounter unexpected inputs. Traditional detectors typically use encoder models with fixed settings, thus lacking effective…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Zhenjiang Mao , Dong-You Jhong , Ao Wang , Ivan Ruchkin

We study the problem of detecting talking activities in collaborative learning videos. Our approach uses head detection and projections of the log-magnitude of optical flow vectors to reduce the problem to a simple classification of small…

Computer Vision and Pattern Recognition · Computer Science 2021-10-18 Wenjing Shi , Marios S. Pattichis , Sylvia Celedón-Pattichis , Carlos LópezLeiva

Predicting brain activity in response to naturalistic, multimodal stimuli is a key challenge in computational neuroscience. While encoding models are becoming more powerful, their ability to generalize to truly novel contexts remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Hamid Abdollahi , Amir Hossein Mansouri Majoumerd , Amir Hossein Bagheri Baboukani , Amir Abolfazl Suratgar , Mohammad Bagher Menhaj