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We develop a novel approach for confidently accelerating inference in the large and expensive multilayer Transformers that are now ubiquitous in natural language processing (NLP). Amortized or approximate computational methods increase…

计算与语言 · 计算机科学 2021-09-10 Tal Schuster , Adam Fisch , Tommi Jaakkola , Regina Barzilay

Adaptations facilitate efficient training of large backbone models, including diffusion models for image generation and transformer-based language models. While various adaptation techniques enhance performance with minimal computational…

机器学习 · 计算机科学 2025-06-06 Jae Wan Park , Junhyeok Kim , Youngjun Jun , Hyunah Ko , Seong Jae Hwang

Although deep learning-based segmentation models have achieved impressive performance on public benchmarks, generalizing well to unseen environments remains a major challenge. To improve the model's generalization ability to the new domain…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Yunlong Zhang , Yuxuan Sun , Sunyi Zheng , Zhongyi Shui , Chenglu Zhu , Lin Yang

The inevitable appearance of spurious correlations in training datasets hurts the generalization of NLP models on unseen data. Previous work has found that datasets with paired inputs are prone to correlations between a specific part of the…

Despite their promising performance across various natural language processing (NLP) tasks, current NLP systems are vulnerable to textual adversarial attacks. To defend against these attacks, most existing methods apply adversarial training…

计算与语言 · 计算机科学 2023-07-06 Junjie Wu , Dit-Yan Yeung

Counterfactually Augmented Data (CAD) involves creating new data samples by applying minimal yet sufficient modifications to flip the label of existing data samples to other classes. Training with CAD enhances model robustness against…

机器学习 · 计算机科学 2024-06-12 Xiaoqi Qiu , Yongjie Wang , Xu Guo , Zhiwei Zeng , Yue Yu , Yuhong Feng , Chunyan Miao

Generative adversarial networks (GANs) typically require ample data for training in order to synthesize high-fidelity images. Recent studies have shown that training GANs with limited data remains formidable due to discriminator…

计算机视觉与模式识别 · 计算机科学 2021-11-15 Liming Jiang , Bo Dai , Wayne Wu , Chen Change Loy

Domain adaptive object detection aims to adapt detection models to domains where annotated data is unavailable. Existing methods have been proposed to address the domain gap using the semi-supervised student-teacher framework. However, a…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

Low-Rank Adaptation (LoRA) is an efficient fine-tuning method that has been extensively applied in areas such as natural language processing and computer vision. Existing LoRA fine-tuning approaches excel in static environments but struggle…

机器学习 · 计算机科学 2025-02-26 Xin Zhang , Liang Bai , Xian Yang , Jiye Liang

Existing image-text matching approaches typically leverage triplet loss with online hard negatives to train the model. For each image or text anchor in a training mini-batch, the model is trained to distinguish between a positive and the…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Tianlang Chen , Jiajun Deng , Jiebo Luo

Despite recent advances in text-to-image generation, using synthetically generated data seldom brings a significant boost in performance for supervised learning. Oftentimes, synthetic datasets do not faithfully recreate the data…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Jae Myung Kim , Stephan Alaniz , Cordelia Schmid , Zeynep Akata

Recovering high-frequency details and textures from low-resolution images remains a fundamental challenge in super-resolution (SR), especially when real-world degradations are complex and unknown. While GAN-based methods enhance realism,…

图像与视频处理 · 电气工程与系统科学 2025-03-12 Cansu Korkmaz , Nancy Mehta , Radu Timofte

Parameter-efficient fine-tuning (PEFT) has become a de facto standard for adapting Large Language Models (LLMs). However, we identify a critical vulnerability within popular low-rank adaptation methods like LoRA: their tendency to…

计算与语言 · 计算机科学 2026-03-04 Yupeng Chang , Yi Chang , Yuan Wu

In computer vision, contrastive learning is the most advanced unsupervised learning framework. Yet most previous methods simply apply fixed composition of data augmentations to improve data efficiency, which ignores the changes in their…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yuhan Zhang , He Zhu , Shan Yu

Paraphrase generation is a longstanding NLP task and achieves great success with the aid of large corpora. However, transferring a paraphrasing model to another domain encounters the problem of domain shifting especially when the data is…

计算与语言 · 计算机科学 2025-11-10 Zhigen Li , Yanmeng Wang , Rizhao Fan , Ye Wang , Jianfeng Li , Shaojun Wang

Low-rank adaptation of language models has been proposed to reduce the computational and memory overhead of fine-tuning pre-trained language models. LoRA incorporates trainable low-rank matrices into some parameters of the pre-trained…

机器学习 · 计算机科学 2026-02-11 Saber Malekmohammadi , Golnoosh Farnadi

We propose a novel cost aggregation network, called Cost Aggregation Transformers (CATs), to find dense correspondences between semantically similar images with additional challenges posed by large intra-class appearance and geometric…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Seokju Cho , Sunghwan Hong , Sangryul Jeon , Yunsung Lee , Kwanghoon Sohn , Seungryong Kim

Contrastive learning (CL) methods effectively learn data representations in a self-supervision manner, where the encoder contrasts each positive sample over multiple negative samples via a one-vs-many softmax cross-entropy loss. By…

Modern GANs excel at generating high quality and diverse images. However, when transferring the pretrained GANs on small target data (e.g., 10-shot), the generator tends to replicate the training samples. Several methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yunqing Zhao , Henghui Ding , Houjing Huang , Ngai-Man Cheung

Representation learning has significantly been developed with the advance of contrastive learning methods. Most of those methods have benefited from various data augmentations that are carefully designated to maintain their identities so…

计算机视觉与模式识别 · 计算机科学 2022-01-24 Xiao Wang , Guo-Jun Qi