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In the quest for super-human performance, Large Language Models (LLMs) have traditionally been tethered to human-annotated datasets and predefined training objectives-a process that is both labor-intensive and inherently limited. This paper…

计算与语言 · 计算机科学 2024-06-10 Ke Ji , Junying Chen , Anningzhe Gao , Wenya Xie , Xiang Wan , Benyou Wang

In this paper, we show that recent advances in video representation learning and pre-trained vision-language models allow for substantial improvements in self-supervised video object localization. We propose a method that first localizes…

Large language models (LLMs) and large visual language models (LVLMs) have been at the forefront of the artificial intelligence field, particularly for tasks like text generation, video captioning, and question-answering. Typically, it is…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Daniel Wen , Nafisa Hussain

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

Enhancing the conformity of large language models (LLMs) to human preferences remains an ongoing research challenge. Recently, offline approaches such as Direct Preference Optimization (DPO) have gained prominence as attractive options due…

机器学习 · 计算机科学 2024-09-05 Kaihui Chen , Hao Yi , Qingyang Li , Tianyu Qi , Yulan Hu , Fuzheng Zhang , Yong Liu

Preference finetuning methods like Direct Preference Optimization (DPO) with AI-generated feedback have shown promise in aligning Large Vision-Language Models (LVLMs) with human preferences. However, existing techniques overlook the…

人工智能 · 计算机科学 2025-10-03 Rohan Wadhawan , Fabrice Y Harel-Canada , Zi-Yi Dou , Suhaila Shakiah , Robinson Piramuthu , Nanyun Peng

Endeavors have been made to explore Large Language Models for video analysis (Video-LLMs), particularly in understanding and interpreting long videos. However, existing Video-LLMs still face challenges in effectively integrating the rich…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Jungang Li , Sicheng Tao , Yibo Yan , Xiaojie Gu , Haodong Xu , Xu Zheng , Yuanhuiyi Lyu , Linfeng Zhang , Xuming Hu

Large Vision-Language Models (LVLMs) have shown promising capabilities in understanding and generating information by integrating both visual and textual data. However, current models are still prone to hallucinations, which degrade the…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Robert Wijaya , Ngoc-Bao Nguyen , Ngai-Man Cheung

We introduce LAVITI, a novel approach to learning language, video, and temporal representations in long-form videos via contrastive learning. Different from pre-training on video-text pairs like EgoVLP, LAVITI aims to align language, video,…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Hengyue Liu , Kyle Min , Hector A. Valdez , Subarna Tripathi

Automated surgical workflow analysis is crucial for education, research, and clinical decision-making, but the lack of annotated datasets hinders the development of accurate and comprehensive workflow analysis solutions. We introduce a…

计算机视觉与模式识别 · 计算机科学 2025-03-17 David Gastager , Ghazal Ghazaei , Constantin Patsch

We propose SlowFast-LLaVA (or SF-LLaVA for short), a training-free video large language model (LLM) that can jointly capture detailed spatial semantics and long-range temporal context without exceeding the token budget of commonly used…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Mingze Xu , Mingfei Gao , Zhe Gan , Hong-You Chen , Zhengfeng Lai , Haiming Gang , Kai Kang , Afshin Dehghan

While recent advancements in reasoning optimization have significantly enhanced the capabilities of large language models (LLMs), existing efforts to improve reasoning have been limited to solving mathematical problems and focusing on…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Guangzhi Sun , Yudong Yang , Jimin Zhuang , Changli Tang , Yixuan Li , Wei Li , Zejun MA , Chao Zhang

This paper undertakes an empirical study to revisit the latest advancements in Multimodal Large Language Models (MLLMs): Video Assistant. This study, namely FreeVA, aims to extend existing image-based MLLM to the video domain in a…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Wenhao Wu

We propose a general framework for self-supervised learning of transferable visual representations based on Video-Induced Visual Invariances (VIVI). We consider the implicit hierarchy present in the videos and make use of (i) frame-level…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Michael Tschannen , Josip Djolonga , Marvin Ritter , Aravindh Mahendran , Xiaohua Zhai , Neil Houlsby , Sylvain Gelly , Mario Lucic

Self-supervised learning is an effective way for label-free model pre-training, especially in the video domain where labeling is expensive. Existing self-supervised works in the video domain use varying experimental setups to demonstrate…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh Singh Rawat

Aligning language models to human expectations, e.g., being helpful and harmless, has become a pressing challenge for large language models. A typical alignment procedure consists of supervised fine-tuning and preference learning. Most…

机器学习 · 计算机科学 2024-02-27 Tianchi Cai , Xierui Song , Jiyan Jiang , Fei Teng , Jinjie Gu , Guannan Zhang

Large vision-language models (LVLMs) suffer from hallucination, resulting in misalignment between the output textual response and the input visual content. Recent research indicates that the over-reliance on the Large Language Model (LLM)…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Yuxi Xie , Guanzhen Li , Xiao Xu , Min-Yen Kan

Video Large Language Models (Video LLMs) have achieved significant success by adopting the paradigm of large-scale pre-training followed by supervised fine-tuning (SFT). However, existing approaches struggle with temporal reasoning due to…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Shicheng Li , Lei Li , Kun Ouyang , Shuhuai Ren , Yuanxin Liu , Yuanxing Zhang , Fuzheng Zhang , Lingpeng Kong , Qi Liu , Xu Sun

Recent advancements in vision-language models have achieved remarkable results in making language models understand vision inputs. However, a unified approach to align these models across diverse tasks such as image captioning and visual…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Kartik Jangra , Aman Kumar Singh , Yashwani Mann , Geetanjali Rathee

The recent advancements in large language models (LLMs) and pre-trained vision models have accelerated the development of vision-language large models (VLLMs), enhancing the interaction between visual and linguistic modalities. Despite…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Chenhang Cui , An Zhang , Yiyang Zhou , Zhaorun Chen , Gelei Deng , Huaxiu Yao , Tat-Seng Chua