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Recent advances in image generation have made diffusion models powerful tools for creating high-quality images. However, their iterative denoising process makes understanding and interpreting their semantic latent spaces more challenging…

Computation and Language · Computer Science 2024-11-06 E. Zhixuan Zeng , Yuhao Chen , Alexander Wong

Graph contrastive learning defines a contrastive task to pull similar instances close and push dissimilar instances away. It learns discriminative node embeddings without supervised labels, which has aroused increasing attention in the past…

Machine Learning · Computer Science 2023-04-25 Lin Shu , Chuan Chen , Zibin Zheng

We present a technique for adding global context to deep convolutional networks for semantic segmentation. The approach is simple, using the average feature for a layer to augment the features at each location. In addition, we study several…

Computer Vision and Pattern Recognition · Computer Science 2015-11-23 Wei Liu , Andrew Rabinovich , Alexander C. Berg

It is well-known that exploiting label correlations is important to multi-label learning. Existing approaches either assume that the label correlations are global and shared by all instances; or that the label correlations are local and…

Machine Learning · Computer Science 2017-04-06 Yue Zhu , James T. Kwok , Zhi-Hua Zhou

Multi-label recognition with partial labels (MLR-PL), in which only some labels are known while others are unknown for each image, is a practical task in computer vision, since collecting large-scale and complete multi-label datasets is…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Haoxian Ruan , Zhihua Xu , Zhijing Yang , Yongyi Lu , Jinghui Qin , Tianshui Chen

We propose a novel method for semantic segmentation, the task of labeling each pixel in an image with a semantic class. Our method combines the advantages of the two main competing paradigms. Methods based on region classification offer…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Holger Caesar , Jasper Uijlings , Vittorio Ferrari

Graph Neural Networks (GNNs) have demonstrated remarkable effectiveness in various graph representation learning tasks. However, most existing GNNs focus primarily on capturing local information through explicit graph convolution, often…

Machine Learning · Computer Science 2025-01-31 Jinlu Wang , Yanfeng Sun , Jiapu Wang , Junbin Gao , Shaofan Wang , Jipeng Guo

Combining multiple knowledge graphs (KGs) across linguistic boundaries is a persistent challenge due to semantic heterogeneity and the complexity of graph environments. We propose a framework for cross-lingual graph fusion, leveraging the…

Computation and Language · Computer Science 2026-03-24 Kaung Myat Kyaw , Khush Agarwal , Jonathan Chan

With the increase in the number of image data and the lack of corresponding labels, weakly supervised learning has drawn a lot of attention recently in computer vision tasks, especially in the fine-grained semantic segmentation problem. To…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Ke Zhang , Sihong Chen , Qi Ju , Yong Jiang , Yucong Li , Xin He

Graphs are general and powerful data representations which can model complex real-world phenomena, ranging from chemical compounds to social networks; however, effective feature extraction from graphs is not a trivial task, and much work…

Non-local operation is widely explored to model the long-range dependencies. However, the redundant computation in this operation leads to a prohibitive complexity. In this paper, we present a Representative Graph (RepGraph) layer to…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Changqian Yu , Yifan Liu , Changxin Gao , Chunhua Shen , Nong Sang

In a real-world setting, visual recognition systems can be brought to make predictions for images belonging to previously unknown class labels. In order to make semantically meaningful predictions for such inputs, we propose a two-step…

Machine Learning · Computer Science 2017-08-29 Vincent P. A. Lonij , Ambrish Rawat , Maria-Irina Nicolae

Dramatic advances in generative models have resulted in near photographic quality for artificially rendered faces, animals and other objects in the natural world. In spite of such advances, a higher level understanding of vision and imagery…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Raphael Gontijo Lopes , David Ha , Douglas Eck , Jonathon Shlens

Computational fluid dynamics (CFD) analysis is widely used in engineering. Although CFD calculations are accurate, the computational cost associated with complex systems makes it difficult to obtain empirical equations between system…

Fluid Dynamics · Physics 2022-04-08 Mehrad Ansari , Heta A. Gandhi , David G. Foster , Andrew D. White

This paper describes a fast and accurate semantic image segmentation approach that encodes not only the discriminative features from deep neural networks, but also the high-order context compatibility among adjacent objects as well as low…

Computer Vision and Pattern Recognition · Computer Science 2016-05-16 Falong Shen , Gang Zeng

Disentangling the encodings of neural models is a fundamental aspect for improving interpretability, semantic control and downstream task performance in Natural Language Processing. Currently, most disentanglement methods are unsupervised…

Computation and Language · Computer Science 2023-02-17 Danilo S. Carvalho , Giangiacomo Mercatali , Yingji Zhang , Andre Freitas

Latent variable models like the Variational Auto-Encoder (VAE) are commonly used to learn representations of images. However, for downstream tasks like semantic classification, the representations learned by VAE are less competitive than…

Machine Learning · Statistics 2022-05-31 Mingtian Zhang , Tim Z. Xiao , Brooks Paige , David Barber

To explore underlying complementary information from multiple views, in this paper, we propose a novel Latent Multi-view Semi-Supervised Classification (LMSSC) method. Unlike most existing multi-view semi-supervised classification methods…

Machine Learning · Computer Science 2019-09-10 Xiaofan Bo , Zhao Kang , Zhitong Zhao , Yuanzhang Su , Wenyu Chen

This paper studies a new task of federated learning (FL) for semantic parsing, where multiple clients collaboratively train one global model without sharing their semantic parsing data. By leveraging data from multiple clients, the FL…

Computation and Language · Computer Science 2023-05-30 Tianshu Zhang , Changchang Liu , Wei-Han Lee , Yu Su , Huan Sun

This paper addresses unsupervised representation learning on tabular data containing multiple views generated by distinct sources of measurement. Traditional methods, which tackle this problem using the multi-view framework, are constrained…

Machine Learning · Computer Science 2023-06-01 Tennison Liu , Jeroen Berrevoets , Zhaozhi Qian , Mihaela van der Schaar