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相关论文: LoRA-like Calibration for Multimodal Deception Det…

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Low-Rank Adaptation (LoRA) is extensively utilized in text-to-image models for the accurate rendition of specific elements like distinct characters or unique styles in generated images. Nonetheless, existing methods face challenges in…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Ming Zhong , Yelong Shen , Shuohang Wang , Yadong Lu , Yizhu Jiao , Siru Ouyang , Donghan Yu , Jiawei Han , Weizhu Chen

Instruction fine-tuning of large language models (LLMs) is a powerful method for improving task-specific performance, but it can inadvertently lead to a phenomenon where models generate harmful responses when faced with malicious prompts.…

计算与语言 · 计算机科学 2025-08-13 Satya Swaroop Gudipudi , Sreeram Vipparla , Harpreet Singh , Shashwat Goel , Ponnurangam Kumaraguru

In this work, we describe a new deep learning based method that can effectively distinguish AI-generated fake videos (referred to as {\em DeepFake} videos hereafter) from real videos. Our method is based on the observations that current…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Yuezun Li , Siwei Lyu

Calibrating language models (LMs) aligns their generation confidence with the actual likelihood of answer correctness, which can inform users about LMs' reliability and mitigate hallucinated content. However, prior calibration methods, such…

计算与语言 · 计算机科学 2024-11-13 Xin Liu , Farima Fatahi Bayat , Lu Wang

Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method. However, its linear adaptation process limits its expressive power. This means there is a gap between the expressive power of linear training and…

机器学习 · 计算机科学 2026-01-06 Jiacheng Li , Jianchao Tan , Zhidong Yang , Feiye Huo , Yerui Sun , Yuchen Xie , Xunliang Cai

In this paper, we present a deep learning based multimodal system for classifying daily life videos. To train the system, we propose a two-phase training strategy. In the first training phase (Phase I), we extract the audio and visual…

声音 · 计算机科学 2023-05-03 Lam Pham , Trang Le , Cam Le , Dat Ngo , Weissenfeld Axel , Alexander Schindler

Attention calculation is extremely time-consuming for long-sequence inference tasks, such as text or image/video generation, in large models. To accelerate this process, we developed a low-precision, mathematically-equivalent algorithm…

Locating manipulation maps, i.e., pixel-level annotation of forgery cues, is crucial for providing interpretable detection results in face forgery detection. Related learning objects have also been widely adopted as auxiliary tasks to…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Jiahe Tian , Peng Chen , Cai Yu , Xiaomeng Fu , Xi Wang , Jiao Dai , Jizhong Han

Conspicuous progression in the field of machine learning and deep learning have led the jump of highly realistic fake media, these media oftentimes referred as deepfakes. Deepfakes are fabricated media which are generated by sophisticated…

机器学习 · 计算机科学 2023-04-05 Aniruddha Tiwari , Rushit Dave , Mounika Vanamala

The currently leading artificial neural network models of the visual ventral stream - which are derived from a combination of performance optimization and robustification methods - have demonstrated a remarkable degree of behavioral…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Morgan B. Talbot , Gabriel Kreiman , James J. DiCarlo , Guy Gaziv

With the rapid development of speech synthesis and voice conversion technologies, Audio Deepfake has become a serious threat to the Automatic Speaker Verification (ASV) system. Numerous countermeasures are proposed to detect this type of…

音频与语音处理 · 电气工程与系统科学 2024-01-11 Yinlin Guo , Haofan Huang , Xi Chen , He Zhao , Yuehai Wang

In recent years, DeepFake technology has achieved unprecedented success in high-quality video synthesis, but these methods also pose potential and severe security threats to humanity. DeepFake can be bifurcated into entertainment…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Weifeng Liu , Tianyi She , Jiawei Liu , Boheng Li , Dongyu Yao , Ziyou Liang , Run Wang

Video-based person recognition is challenging due to persons being blocked and blurred, and the variation of shooting angle. Previous research always focused on person recognition on still images, ignoring similarity and continuity between…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Fangtao Li , Wenzhe Wang , Zihe Liu , Haoran Wang , Chenghao Yan , Bin Wu

Deep hashing has been widely used for large-scale approximate nearest neighbor search due to its storage and search efficiency. However, existing deep hashing methods predominantly rely on abundant training data, leaving the more…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Shu Zhao , Tan Yu , Xiaoshuai Hao , Wenchao Ma , Vijaykrishnan Narayanan

Modern, state-of-the-art deep learning approaches yield human like performance in numerous object detection and classification tasks. The foundation for their success is the availability of training datasets of substantially high quantity,…

In this paper, we propose to utilize Automated Machine Learning to adaptively search a neural architecture for deepfake detection. This is the first time to employ automated machine learning for deepfake detection. Based on our explored…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Ping Liu , Yuewei Lin , Yang He , Yunchao Wei , Liangli Zhen , Joey Tianyi Zhou , Rick Siow Mong Goh , Jingen Liu

Fine-grained video classification requires understanding complex spatio-temporal and semantic cues that often exceed the capacity of a single modality. In this paper, we propose a multimodal framework that fuses video, image, and text…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Namho Kim , Junhwa Kim

With the rapid advancement of deep learning, particularly through generative adversarial networks (GANs) and diffusion models (DMs), AI-generated images, or ``deepfakes", have become nearly indistinguishable from real ones. These images are…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Manyi Li , Renshuai Tao , Yufan Liu , Chuangchuang Tan , Haotong Qin , Bing Li , Yunchao Wei , Yao Zhao

Compositional reasoning is a hallmark of human visual intelligence. Yet, despite the size of large vision-language models, they struggle to represent simple compositions by combining objects with their attributes. To measure this lack of…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Arijit Ray , Filip Radenovic , Abhimanyu Dubey , Bryan A. Plummer , Ranjay Krishna , Kate Saenko

Low-rank adaptation (LoRA) methods show great potential for scaling pre-trained general-purpose Large Language Models (LLMs) to hundreds or thousands of use scenarios. However, their efficacy in high-stakes domains like finance is rarely…

计算工程、金融与科学 · 计算机科学 2025-05-27 Dannong Wang , Jaisal Patel , Daochen Zha , Steve Y. Yang , Xiao-Yang Liu