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Large language models (LLMs) demonstrate emergent in-context learning capabilities, where they adapt to new tasks based on example demonstrations. However, in-context learning has seen limited effectiveness in many settings, is difficult to…

机器学习 · 计算机科学 2024-02-15 Sheng Liu , Haotian Ye , Lei Xing , James Zou

Vision-and-Language Navigation (VLN) requires an agent to navigate in a real-world environment following natural language instructions. From both the textual and visual perspectives, we find that the relationships among the scene, its…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Yicong Hong , Cristian Rodriguez-Opazo , Yuankai Qi , Qi Wu , Stephen Gould

Prompt-Tuning is a new paradigm for finetuning pre-trained language models in a parameter-efficient way. Here, we explore the use of HyperNetworks to generate hyper-prompts: we propose HyperPrompt, a novel architecture for prompt-based…

Pre-trained vision-language models (VLMs) are highly adaptable to various downstream tasks through few-shot learning, making prompt-based anomaly detection a promising approach. Traditional methods depend on human-crafted prompts that…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Pi-Wei Chen , Jerry Chun-Wei Lin , Jia Ji , Feng-Hao Yeh , Zih-Ching Chen , Chao-Chun Chen

Prompt learning has surfaced as an effective approach to enhance the performance of Vision-Language Models (VLMs) like CLIP when applied to downstream tasks. However, current learnable prompt tokens are primarily used for the single phase…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Ge Wu , Xin Zhang , Zheng Li , Zhaowei Chen , Jiajun Liang , Jian Yang , Xiang Li

Visual prompt tuning (VPT) is a promising solution incorporating learnable prompt tokens to customize pre-trained models for downstream tasks. However, VPT and its variants often encounter challenges like prompt initialization, prompt…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yuzhu Wang , Lechao Cheng , Chaowei Fang , Dingwen Zhang , Manni Duan , Meng Wang

Self-supervised vision-and-language pretraining (VLP) aims to learn transferable multi-modal representations from large-scale image-text data and to achieve strong performances on a broad scope of vision-language tasks after finetuning.…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Yongfei Liu , Chenfei Wu , Shao-yen Tseng , Vasudev Lal , Xuming He , Nan Duan

Prompt tuning is an effective way to adapt the pre-trained visual-language model (VLM) to the downstream task using task-related textual tokens. Representative CoOp-based work combines the learnable textual tokens with the class tokens to…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Hantao Yao , Rui Zhang , Changsheng Xu

Vision-language models are pre-trained by aligning image-text pairs in a common space to deal with open-set visual concepts. To boost the transferability of the pre-trained models, recent works adopt fixed or learnable prompts, i.e.,…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Jiangmeng Li , Wenyi Mo , Wenwen Qiang , Bing Su , Changwen Zheng , Hui Xiong , Ji-Rong Wen

Visual Prompt Tuning (VPT) techniques have gained prominence for their capacity to adapt pre-trained Vision Transformers (ViTs) to downstream visual tasks using specialized learnable tokens termed as prompts. Contemporary VPT methodologies,…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Shentong Mo , Yansen Wang , Xufang Luo , Dongsheng Li

Existing research studies on vision and language grounding for robot navigation focus on improving model-free deep reinforcement learning (DRL) models in synthetic environments. However, model-free DRL models do not consider the dynamics in…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Xin Wang , Wenhan Xiong , Hongmin Wang , William Yang Wang

Vision-language pre-training (VLP) on large-scale image-text pairs has achieved huge success for the cross-modal downstream tasks. The most existing pre-training methods mainly adopt a two-step training procedure, which firstly employs a…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Haiyang Xu , Ming Yan , Chenliang Li , Bin Bi , Songfang Huang , Wenming Xiao , Fei Huang

Outdoor Vision-and-Language Navigation (VLN) requires an agent to navigate through realistic 3D outdoor environments based on natural language instructions. The performance of existing VLN methods is limited by insufficient diversity in…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Jialu Li , Aishwarya Padmakumar , Gaurav Sukhatme , Mohit Bansal

Large-scale language models have shown the ability to adapt to a new task via conditioning on a few demonstrations (i.e., in-context learning). However, in the vision-language domain, most large-scale pre-trained vision-language (VL) models…

计算与语言 · 计算机科学 2023-06-05 Masoud Monajatipoor , Liunian Harold Li , Mozhdeh Rouhsedaghat , Lin F. Yang , Kai-Wei Chang

Backdoor attacks pose a critical threat by embedding hidden triggers into inputs, causing models to misclassify them into target labels. While extensive research has focused on mitigating these attacks in object recognition models through…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Kyle Stein , Andrew Arash Mahyari , Guillermo Francia , Eman El-Sheikh

Humans have a natural ability to perform semantic associations with the surrounding objects in the environment. This allows them to create a mental map of the environment, allowing them to navigate on-demand when given linguistic…

Continual pre-training has been urgent for adapting a pre-trained model to a multitude of domains and tasks in the fast-evolving world. In practice, a continually pre-trained model is expected to demonstrate not only greater capacity when…

计算与语言 · 计算机科学 2023-10-23 Gangwei Jiang , Caigao Jiang , Siqiao Xue , James Y. Zhang , Jun Zhou , Defu Lian , Ying Wei

Visual anomaly detection in multi-class settings poses significant challenges due to the diversity of object categories, the scarcity of anomalous examples, and the presence of camouflaged defects. In this paper, we propose PromptMAD, a…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Duncan McCain , Hossein Kashiani , Fatemeh Afghah

Instruction-following agents must ground language into their observation and action spaces. Learning to ground language is challenging, typically requiring domain-specific engineering or large quantities of human interaction data. To…

人工智能 · 计算机科学 2023-06-16 Theodore Sumers , Kenneth Marino , Arun Ahuja , Rob Fergus , Ishita Dasgupta

Vision-and-Language Navigation (VLN) is the task that requires an agent to navigate through the environment based on natural language instructions. At each step, the agent takes the next action by selecting from a set of navigable…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Jialu Li , Mohit Bansal