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Domain Adaptation aims to transfer the knowledge learned from a labeled source domain to an unlabeled target domain whose data distributions are different. However, the training data in source domain required by most of the existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Ning Ding , Yixing Xu , Yehui Tang , Chao Xu , Yunhe Wang , Dacheng Tao

Cross-modal alignment aims to map heterogeneous modalities into a shared latent space, as exemplified by models like CLIP, which benefit from large-scale image-text pretraining for strong recognition capabilities. However, when operating in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Jiaxiang Liu , Yuan Wang , Jiawei Du , Joey Tianyi Zhou , Mingkun Xu , Zuozhu Liu

We study goodness-of-fit of discrete distributions in the distributed setting, where samples are divided between multiple users who can only release a limited amount of information about their samples due to various information constraints.…

Data Structures and Algorithms · Computer Science 2019-07-23 Jayadev Acharya , Clément L. Canonne , Yanjun Han , Ziteng Sun , Himanshu Tyagi

Adaptive loss function formulation is an active area of research and has gained a great deal of popularity in recent years, following the success of deep learning. However, existing frameworks of adaptive loss functions often suffer from…

Machine Learning · Computer Science 2020-01-01 A. Ali Heydari , Craig A. Thompson , Asif Mehmood

Contrastive Language and Image Pairing (CLIP), a transformative method in multimedia retrieval, typically trains two neural networks concurrently to generate joint embeddings for text and image pairs. However, when applied directly, these…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

Recent major milestones have successfully reconstructed natural language from non-invasive brain signals (e.g. functional Magnetic Resonance Imaging (fMRI) and Electroencephalogram (EEG)) across subjects. However, we find current dataset…

Computation and Language · Computer Science 2025-08-26 Congchi Yin , Qian Yu , Zhiwei Fang , Changping Peng , Piji Li

In recent years, it has been found that screen content images (SCI) can be effectively compressed based on appropriate probability modelling and suitable entropy coding methods such as arithmetic coding. The key objective is determining the…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Shabhrish Reddy Uddehal , Tilo Strutz , Hannah Och , André Kaup

We introduce a method that takes advantage of high-quality pretrained multimodal representations to explore fine-grained semantic networks in the human brain. Previous studies have documented evidence of functional localization in the…

Artificial Intelligence · Computer Science 2023-06-07 Cory Efird , Alex Murphy , Joel Zylberberg , Alona Fyshe

Probability distribution modeling is the basis for most competitive methods for lossless coding of screen content. One such state-of-the-art method is known as soft context formation (SCF). For each pixel to be encoded, a probability…

Image and Video Processing · Electrical Eng. & Systems 2022-12-05 Hannah Och , Tilo Strutz , André Kaup

In domain adaptation, maximum mean discrepancy (MMD) has been widely adopted as a discrepancy metric between the distributions of source and target domains. However, existing MMD-based domain adaptation methods generally ignore the changes…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Hongliang Yan , Yukang Ding , Peihua Li , Qilong Wang , Yong Xu , Wangmeng Zuo

The deployment of Large Language Models (LLMs) in long-context scenarios is hindered by computational inefficiency and significant information redundancy. Although recent advancements have widely adopted context compression to address these…

Computation and Language · Computer Science 2026-02-03 Kangtao Lv , Jiwei Tang , Langming Liu , Haibin Chen , Weidong Zhang , Shilei Liu , Yongwei Wang , Yujin Yuan , Wenbo Su , Bo Zheng

Multimodal fusion breaks through the boundaries between diverse modalities and has already achieved notable performances. However, in many specialized fields, it is struggling to obtain sufficient alignment data for training, which…

Machine Learning · Computer Science 2024-09-24 Zijia Song , Zelin Zang , Yelin Wang , Guozheng Yang , Kaicheng yu , Wanyu Chen , Miaoyu Wang , Stan Z. Li

Existing cross-subject fMRI decoding methods typically train a model on multiple scanned subjects and then adapt it to a new subject using substantial paired fMRI-image data. However, in realistic scenarios, new-subject fMRI data are often…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Jintao Guo , Lin Wang , Shumeng Li , Jian Zhang , Yulin Zhou , Luyang Cao , Hairong Zheng , Yinghuan Shi

Deep learning techniques for medical image analysis usually suffer from the domain shift between source and target data. Most existing works focus on unsupervised domain adaptation (UDA). However, in practical applications, privacy issues…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Yixin Chen , Yan Wang

We propose to adapt segmentation networks with a constrained formulation, which embeds domain-invariant prior knowledge about the segmentation regions. Such knowledge may take the form of simple anatomical information, e.g., structure size…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Mathilde Bateson , Jose Dolz , Hoel Kervadec , Hervé Lombaert , Ismail Ben Ayed

Unwanted samples from private source categories in the learning objective of a partial domain adaptation setup can lead to negative transfer and reduce classification performance. Existing methods, such as re-weighting or aggregating target…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Sandipan Choudhuri , Arunabha Sen

Unsupervised cross-modality medical image adaptation aims to alleviate the severe domain gap between different imaging modalities without using the target domain label. A key in this campaign relies upon aligning the distributions of source…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Zixian Su , Kai Yao , Xi Yang , Qiufeng Wang , Yuyao Yan , Jie Sun , Kaizhu Huang

Limited amount of labelled training data are a common problem in medical imaging. This makes it difficult to train a well-generalised model and therefore often leads to failure in unknown domains. Hippocampus segmentation from magnetic…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 John Kalkhof , Camila González , Anirban Mukhopadhyay

Domain adaptation problems arise in a variety of applications, where a training dataset from the \textit{source} domain and a test dataset from the \textit{target} domain typically follow different distributions. The primary difficulty in…

Machine Learning · Computer Science 2017-08-11 Wenhao Jiang , Cheng Deng , Wei Liu , Feiping Nie , Fu-lai Chung , Heng Huang

Deep learning models for medical image segmentation often struggle when deployed across different datasets due to domain shifts - variations in both image appearance, known as style, and population-dependent anatomical characteristics,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Hoda Kalabizadeh , Ludovica Griffanti , Pak-Hei Yeung , Ana I. L. Namburete , Nicola K. Dinsdale , Konstantinos Kamnitsas