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Contrastive Vision-Language Pre-training, known as CLIP, has provided a new paradigm for learning visual representations by using large-scale contrastive image-text pairs. It shows impressive performance on zero-shot knowledge transfer to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Renrui Zhang , Rongyao Fang , Wei Zhang , Peng Gao , Kunchang Li , Jifeng Dai , Yu Qiao , Hongsheng Li

Existing pedestrian attribute recognition (PAR) algorithms are mainly developed based on a static image. However, the performance is not reliable for images with challenging factors, such as heavy occlusion, motion blur, etc. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Jun Zhu , Jiandong Jin , Zihan Yang , Xiaohao Wu , Xiao Wang

Retrieval-Augmented Generation (RAG) is a powerful strategy for improving the factual accuracy of models by retrieving external knowledge relevant to queries and incorporating it into the generation process. However, existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Soyeong Jeong , Kangsan Kim , Jinheon Baek , Sung Ju Hwang

Audio-Visual Video Parsing (AVVP) task aims to detect and temporally locate events within audio and visual modalities. Multiple events can overlap in the timeline, making identification challenging. While traditional methods usually focus…

Artificial Intelligence · Computer Science 2024-07-12 Jinxing Zhou , Dan Guo , Yuxin Mao , Yiran Zhong , Xiaojun Chang , Meng Wang

Real-world instructional videos are long, noisy, and often contain extended background segments, repeated actions, and execution variability that do not correspond to meaningful procedural steps. We propose **REMAP**, an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Soumyadeep Chandra , Kaushik Roy

With the advent of large-scale pre-trained models, interest in adapting and exploiting them for continual learning scenarios has grown. In this paper, we propose an approach to exploiting pre-trained vision-language models (e.g. CLIP) that…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Xialei Liu , Xusheng Cao , Haori Lu , Jia-wen Xiao , Andrew D. Bagdanov , Ming-Ming Cheng

Video representation learning has been successful in video-text pre-training for zero-shot transfer, where each sentence is trained to be close to the paired video clips in a common feature space. For long videos, given a paragraph of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Yuncong Yang , Jiawei Ma , Shiyuan Huang , Long Chen , Xudong Lin , Guangxing Han , Shih-Fu Chang

Parameter-efficient fine-tuning (PEFT) has emerged as a popular solution for adapting pre-trained Vision Transformer (ViT) models to downstream applications by updating only a small subset of parameters. While current PEFT methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ting Liu , Xuyang Liu , Liangtao Shi , Zunnan Xu , Yue Hu , Siteng Huang , Yi Xin , Bineng Zhong , Donglin Wang

This study aims to explore efficient tuning methods for the screenshot captioning task. Recently, image captioning has seen significant advancements, but research in captioning tasks for mobile screens remains relatively scarce. Current…

Machine Learning · Computer Science 2023-09-27 Ching-Yu Chiang , I-Hua Chang , Shih-Wei Liao

Recently, large-scale pre-training methods like CLIP have made great progress in multi-modal research such as text-video retrieval. In CLIP, transformers are vital for modeling complex multi-modal relations. However, in the vision…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Shuai Zhao , Linchao Zhu , Xiaohan Wang , Yi Yang

Convolutional Neural Networks (CNNs) have significantly advanced Image Super-Resolution (SR), yet most CNN-based methods rely solely on pixel-based transformations, often leading to artifacts and blurring, particularly under severe…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Bingwen Hu , Heng Liu , Zhedong Zheng , Ping Liu

Video recognition has been dominated by the end-to-end learning paradigm -- first initializing a video recognition model with weights of a pretrained image model and then conducting end-to-end training on videos. This enables the video…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Ziyi Lin , Shijie Geng , Renrui Zhang , Peng Gao , Gerard de Melo , Xiaogang Wang , Jifeng Dai , Yu Qiao , Hongsheng Li

Cross-modality interaction is a critical component in Text-Video Retrieval (TVR), yet there has been little examination of how different influencing factors for computing interaction affect performance. This paper first studies the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Qiang Wang , Yanhao Zhang , Yun Zheng , Pan Pan , Xian-Sheng Hua

Fine-tuning pre-trained generative models with Reinforcement Learning (RL) has emerged as an effective approach for aligning outputs more closely with nuanced human preferences. In this paper, we investigate the application of Group…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Matteo Gallici , Haitz Sáez de Ocáriz Borde

Current Scene text image super-resolution approaches primarily focus on extracting robust features, acquiring text information, and complex training strategies to generate super-resolution images. However, the upsampling module, which is…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Wenyu Zhang , Xin Deng , Baojun Jia , Xingtong Yu , Yifan Chen , jin Ma , Qing Ding , Xinming Zhang

Visual reprogramming (VR) reuses pre-trained vision models for downstream image classification tasks by adding trainable noise patterns to inputs. When applied to vision-language models (e.g., CLIP), existing VR approaches follow the same…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Chengyi Cai , Zesheng Ye , Lei Feng , Jianzhong Qi , Feng Liu

Audio-text retrieval (ATR), which retrieves a relevant caption given an audio clip (A2T) and vice versa (T2A), has recently attracted much research attention. Existing methods typically aggregate information from each modality into a single…

Sound · Computer Science 2024-03-18 Qian Wang , Jia-Chen Gu , Zhen-Hua Ling

Pretrained cross-modal models, for instance, the most representative CLIP, have recently led to a boom in using pre-trained models for cross-modal zero-shot tasks, considering the generalization properties. However, we analytically discover…

Multimedia · Computer Science 2024-06-28 Hanyao Wang , Yibing Zhan , Liu Liu , Liang Ding , Yan Yang , Jun Yu

Vision-and-language pre-training (VLP) models have experienced a surge in popularity recently. By fine-tuning them on specific datasets, significant performance improvements have been observed in various tasks. However, full fine-tuning of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Yuan Yuan , Yang Zhan , Zhitong Xiong

Video Retrieval is a challenging task where a text query is matched to a video or vice versa. Most of the existing approaches for addressing such a problem rely on annotations made by the users. Although simple, this approach is not always…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Jesús Andrés Portillo-Quintero , José Carlos Ortiz-Bayliss , Hugo Terashima-Marín