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Scaling up weakly-supervised datasets has shown to be highly effective in the image-text domain and has contributed to most of the recent state-of-the-art computer vision and multimodal neural networks. However, existing large-scale…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Vladislav Lialin , Stephen Rawls , David Chan , Shalini Ghosh , Anna Rumshisky , Wael Hamza

We present Fast Language-Image Pre-training (FLIP), a simple and more efficient method for training CLIP. Our method randomly masks out and removes a large portion of image patches during training. Masking allows us to learn from more…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Yanghao Li , Haoqi Fan , Ronghang Hu , Christoph Feichtenhofer , Kaiming He

Real-world image captions often lack contextual depth, omitting crucial details such as event background, temporal cues, outcomes, and named entities that are not visually discernible. This gap limits the effectiveness of image…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Nguyen Lam Phu Quy , Pham Phu Hoa , Tran Chi Nguyen , Dao Sy Duy Minh , Nguyen Hoang Minh Ngoc , Huynh Trung Kiet

Contrastive Language-Image Pre-training (CLIP) stands as one of the most effective and scalable methods for training transferable vision models using paired image and text data. CLIP models are trained using contrastive loss, which…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Lijie Fan , Dilip Krishnan , Phillip Isola , Dina Katabi , Yonglong Tian

The remarkable natural language understanding, reasoning, and generation capabilities of large language models (LLMs) have made them attractive for application to video understanding, utilizing video tokens as contextual input. However,…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Jiaqi Xu , Cuiling Lan , Wenxuan Xie , Xuejin Chen , Yan Lu

Contrastive language-image pretraining (CLIP) using image-text pairs has achieved impressive results on image classification in both zero-shot and transfer learning settings. However, we show that directly applying such models to recognize…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Yiwu Zhong , Jianwei Yang , Pengchuan Zhang , Chunyuan Li , Noel Codella , Liunian Harold Li , Luowei Zhou , Xiyang Dai , Lu Yuan , Yin Li , Jianfeng Gao

Large vision-language models (VLMs), such as CLIP, learn rich joint image-text representations, facilitating advances in numerous downstream tasks, including zero-shot classification and text-to-image generation. Nevertheless, existing VLMs…

计算机视觉与模式识别 · 计算机科学 2023-02-24 Roni Paiss , Ariel Ephrat , Omer Tov , Shiran Zada , Inbar Mosseri , Michal Irani , Tali Dekel

Large-scale pretrained image-text models have shown incredible zero-shot performance in a handful of tasks, including video ones such as action recognition and text-to-video retrieval. However, these models have not been adapted to video,…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Santiago Castro , Fabian Caba Heilbron

Vision-language models such as CLIP often struggle to faithfully understand long, detail-rich captions, relying on dominant scene cues while overlooking fine-grained visual evidence. We propose a hierarchical vision-language learning…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Byeongju Woo , Zilin Wang , Byeonghyun Pak , Sangwoo Mo , Stella X. Yu

Low-light conditions have an adverse impact on machine cognition, limiting the performance of computer vision systems in real life. Since low-light data is limited and difficult to annotate, we focus on image processing to enhance low-light…

计算机视觉与模式识别 · 计算机科学 2024-12-11 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Recent advancements in Large Language Models (LLMs) have significantly enhanced their capacity to process long contexts. However, effectively utilizing this long context remains a challenge due to the issue of distraction, where irrelevant…

计算与语言 · 计算机科学 2024-11-12 Zijun Wu , Bingyuan Liu , Ran Yan , Lei Chen , Thomas Delteil

Image captioning models are usually trained according to human annotated ground-truth captions, which could generate accurate but generic captions. In this paper, we focus on generating distinctive captions that can distinguish the target…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Youyuan Zhang , Jiuniu Wang , Hao Wu , Wenjia Xu

Text-based image captioning (TextCap) which aims to read and reason images with texts is crucial for a machine to understand a detailed and complex scene environment, considering that texts are omnipresent in daily life. This task, however,…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Guanghui Xu , Shuaicheng Niu , Mingkui Tan , Yucheng Luo , Qing Du , Qi Wu

Large vision language models (LVLMs) integrate large language models (LLMs) with pre-trained vision encoders, thereby activating the perception capability of the model to understand image inputs for different queries and conduct subsequent…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yihe Deng , Pan Lu , Fan Yin , Ziniu Hu , Sheng Shen , Quanquan Gu , James Zou , Kai-Wei Chang , Wei Wang

From the perspective of future developments in robotics, it is crucial to verify whether foundation models trained exclusively on offline data, such as images and language, can understand the robot motion. In particular, since Vision…

机器人学 · 计算机科学 2026-01-13 Kanata Suzuki , Shota Shimizu , Tetsuya Ogata

The rapid success of Vision Large Language Models (VLLMs) often depends on the high-resolution images with abundant visual tokens, which hinders training and deployment efficiency. Current training-free visual token compression methods…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Jianjian Li , Junquan Fan , Feng Tang , Gang Huang , Shitao Zhu , Songlin Liu , Nian Xie , Wulong Liu , Yong Liao

Despite significant advances in vision-language models (VLMs), image captioning often suffers from a lack of detail, with base models producing short, generic captions. This limitation persists even though VLMs are equipped with strong…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Abdelrahman Mohamed , Yova Kementchedjhieva

Massive web datasets play a key role in the success of large vision-language models like CLIP and Flamingo. However, the raw web data is noisy, and existing filtering methods to reduce noise often come at the expense of data diversity. Our…

机器学习 · 计算机科学 2023-10-27 Thao Nguyen , Samir Yitzhak Gadre , Gabriel Ilharco , Sewoong Oh , Ludwig Schmidt

In-context learning (ICL) has emerged as an effective solution for few-shot learning with large language models (LLMs). However, how LLMs leverage demonstrations to specify a task and learn a corresponding computational function through ICL…

Handling long-context inputs is crucial for large language models (LLMs) in tasks such as extended conversations, document summarization, and many-shot in-context learning. While recent approaches have extended the context windows of LLMs…

计算与语言 · 计算机科学 2025-07-29 Lizhe Fang , Yifei Wang , Zhaoyang Liu , Chenheng Zhang , Stefanie Jegelka , Jinyang Gao , Bolin Ding , Yisen Wang