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Visual concept learning, also known as Text-to-image personalization, is the process of teaching new concepts to a pretrained model. This has numerous applications from product placement to entertainment and personalized design. Here we…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Ori Malca , Dvir Samuel , Gal Chechik

The recent demand for customized image generation raises a need for techniques that effectively extract the common concept from small sets of images. Existing methods typically rely on additional guidance, such as text prompts or spatial…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Minseo Kim , Minchan Kwon , Dongyeun Lee , Yunho Jeon , Junmo Kim

We develop an algorithm to improve the performance of a pre-trained model under concept shift without retraining the model from scratch when only unannotated samples of initial concepts are accessible. We model this problem as a domain…

机器学习 · 计算机科学 2022-11-22 Mohammad Rostami , Aram Galstyan

Predictive services nowadays play an important role across all business sectors. However, deployed machine learning models are challenged by changing data streams over time which is described as concept drift. Prediction quality of models…

机器学习 · 计算机科学 2020-12-09 Lucas Baier , Josua Reimold , Niklas Kühl

The focus of recent research has shifted from merely improving the metrics based performance of Deep Neural Networks (DNNs) to DNNs which are more interpretable to humans. The field of eXplainable Artificial Intelligence (XAI) has observed…

人工智能 · 计算机科学 2024-03-26 Avani Gupta , P J Narayanan

Deep models trained on large amounts of data often incorporate implicit biases present during training time. If later such a bias is discovered during inference or deployment, it is often necessary to acquire new data and retrain the model.…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Niklas Penzel , Gideon Stein , Joachim Denzler

Text-to-image diffusion models have made significant advancements in generating high-quality, diverse images from text prompts. However, the inherent limitations of textual signals often prevent these models from fully capturing specific…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Ziqiang Li , Jun Li , Lizhi Xiong , Zhangjie Fu , Zechao Li

Image quality plays a big role in CNN-based image classification performance. Fine-tuning the network with distorted samples may be too costly for large networks. To solve this issue, we propose a transfer learning approach optimized to…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Alessandro Bianchi , Moreno Raimondo Vendra , Pavlos Protopapas , Marco Brambilla

Recent powerful vision classifiers are biased towards textures, while shape information is overlooked by the models. A simple attempt by augmenting training images using the artistic style transfer method, called Stylized ImageNet, can…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Sanghyuk Chun , Song Park

Image-to-image translation (I2I), and particularly its subfield of appearance transfer, which seeks to alter the visual appearance between images while maintaining structural coherence, presents formidable challenges. Despite significant…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Yuteng Ye , Guanwen Li , Hang Zhou , Cai Jiale , Junqing Yu , Yawei Luo , Zikai Song , Qilong Xing , Youjia Zhang , Wei Yang

Fine-tuning pre-trained models is a widely employed technique in numerous real-world applications. However, fine-tuning these models on new tasks can lead to unfair outcomes. This is due to the absence of generalization guarantees for…

机器学习 · 计算机科学 2024-03-04 Yixuan Zhang , Feng Zhou

Fine-grained object categorization aims for distinguishing objects of subordinate categories that belong to the same entry-level object category. The task is challenging due to the facts that (1) training images with ground-truth labels are…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Yabin Zhang , Kui Jia , Zhixin Wang

Finetuning can be used to tackle domain-specific tasks by transferring knowledge. Previous studies on finetuning focused on adapting only the weights of a task-specific classifier or re-optimizing all layers of the pre-trained model using…

机器学习 · 计算机科学 2023-01-18 Basel Barakat , Qiang Huang

Prompt learning is effective for fine-tuning foundation models to improve their generalization across a variety of downstream tasks. However, the prompts that are independently optimized along a single modality path, may sacrifice the…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yuncheng Yang , Chuyan Zhang , Zuopeng Yang , Yuting Gao , Yulei Qin , Ke Li , Xing Sun , Jie Yang , Yun Gu

Most existing methods focus on sentiment analysis of textual data. However, recently there has been a massive use of images and videos on social platforms, motivating sentiment analysis from other modalities. Current studies show that…

机器学习 · 计算机科学 2022-10-13 Guilherme Lourenço de Toledo , Ricardo Marcondes Marcacini

Deep pre-trained Transformer models have achieved state-of-the-art results over a variety of natural language processing (NLP) tasks. By learning rich language knowledge with millions of parameters, these models are usually…

计算与语言 · 计算机科学 2020-11-10 Zhengyan Zhang , Fanchao Qi , Zhiyuan Liu , Qun Liu , Maosong Sun

Arbitrary style transfer is an important problem in computer vision that aims to transfer style patterns from an arbitrary style image to a given content image. However, current methods either rely on slow iterative optimization or fast…

计算机视觉与模式识别 · 计算机科学 2020-12-25 Suryabhan Singh Hada , Miguel Á. Carreira-Perpiñán

Deep Convolutional features extracted from a comprehensive labeled dataset, contain substantial representations which could be effectively used in a new domain. Despite the fact that generic features achieved good results in many visual…

计算机视觉与模式识别 · 计算机科学 2018-05-06 Qun Liu , Supratik Mukhopadhyay

Humans use abstract concepts for understanding instead of hard features. Recent interpretability research has focused on human-centered concept explanations of neural networks. Concept Activation Vectors (CAVs) estimate a model's…

机器学习 · 计算机科学 2023-11-28 Avani Gupta , Saurabh Saini , P J Narayanan

Few-shot learning is a challenging task, which aims to learn a classifier for novel classes with few examples. Pre-training based meta-learning methods effectively tackle the problem by pre-training a feature extractor and then fine-tuning…

计算机视觉与模式识别 · 计算机科学 2021-06-25 Baoquan Zhang , Xutao Li , Yunming Ye , Zhichao Huang , Lisai Zhang