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Traditionally, training neural networks to perform semantic segmentation required expensive human-made annotations. But more recently, advances in the field of unsupervised learning have made significant progress on this issue and towards…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Leon Sick , Dominik Engel , Pedro Hermosilla , Timo Ropinski

We propose a novel approach to improve a visual-semantic embedding model by incorporating concept representations captured from an external structured knowledge base. We investigate its performance on image classification under both…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Mirantha Jayathilaka , Tingting Mu , Uli Sattler

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…

机器学习 · 计算机科学 2017-08-29 Vincent P. A. Lonij , Ambrish Rawat , Maria-Irina Nicolae

Graph Convolutional Networks (GCNs) are known to suffer from performance degradation as the number of layers increases, which is usually attributed to over-smoothing. Despite the apparent consensus, we observe that there exists a…

机器学习 · 计算机科学 2021-10-29 Weilin Cong , Morteza Ramezani , Mehrdad Mahdavi

The goal of representation learning of knowledge graph is to encode both entities and relations into a low-dimensional embedding spaces. Many recent works have demonstrated the benefits of knowledge graph embedding on knowledge graph…

人工智能 · 计算机科学 2019-10-11 Wenqiang Liu , Hongyun Cai , Xu Cheng , Sifa Xie , Yipeng Yu , Hanyu Zhang

Knowledge graph embedding has been an active research topic for knowledge base completion, with progressive improvement from the initial TransE, TransH, DistMult et al to the current state-of-the-art ConvE. ConvE uses 2D convolution over…

人工智能 · 计算机科学 2018-11-16 Chao Shang , Yun Tang , Jing Huang , Jinbo Bi , Xiaodong He , Bowen Zhou

Semantic segmentation with deep learning has achieved great progress in classifying the pixels in the image. However, the local location information is usually ignored in the high-level feature extraction by the deep learning, which is…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Yi Lu , Yaran Chen , Dongbin Zhao , Jianxin Chen

Passage re-ranking is to obtain a permutation over the candidate passage set from retrieval stage. Re-rankers have been boomed by Pre-trained Language Models (PLMs) due to their overwhelming advantages in natural language understanding.…

信息检索 · 计算机科学 2022-04-26 Qian Dong , Yiding Liu , Suqi Cheng , Shuaiqiang Wang , Zhicong Cheng , Shuzi Niu , Dawei Yin

We target open-world feature extrapolation problem where the feature space of input data goes through expansion and a model trained on partially observed features needs to handle new features in test data without further retraining. The…

机器学习 · 计算机科学 2023-06-14 Qitian Wu , Chenxiao Yang , Junchi Yan

One main challenge in imbalanced graph classification is to learn expressive representations of the graphs in under-represented (minority) classes. Existing generic imbalanced learning methods, such as oversampling and imbalanced learning…

机器学习 · 计算机科学 2024-05-20 Rongrong Ma , Guansong Pang , Ling Chen

Flexible objects recognition remains a significant challenge due to its inherently diverse shapes and sizes, translucent attributes, and subtle inter-class differences. Graph-based models, such as graph convolution networks and graph vision…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Kunshan Yang , Wenwei Luo , Yuguo Hu , Jiafu Yan , Mengmeng Jing , Lin Zuo

The main question we address in this paper is how to scale up visual recognition of unseen classes, also known as zero-shot learning, to tens of thousands of categories as in the ImageNet-21K benchmark. At this scale, especially with many…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Kai Yi , Xiaoqian Shen , Yunhao Gou , Mohamed Elhoseiny

Low-light images challenge both human perceptions and computer vision algorithms. It is crucial to make algorithms robust to enlighten low-light images for computational photography and computer vision applications such as real-time…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Shen Zheng , Gaurav Gupta

Graph convolutional neural networks (GCNNs) have received much attention recently, owing to their capability in handling graph-structured data. Among the existing GCNNs, many methods can be viewed as instances of a neural message passing…

机器学习 · 计算机科学 2021-03-19 Tien Huu Do , Duc Minh Nguyen , Giannis Bekoulis , Adrian Munteanu , Nikos Deligiannis

In recent years, the size of big linked data has grown rapidly and this number is still rising. Big linked data and knowledge bases come from different domains such as life sciences, publications, media, social web, and so on. However, with…

数据库 · 计算机科学 2019-02-21 Feichen Shen

Semantic Image Interpretation is the task of extracting a structured semantic description from images. This requires the detection of visual relationships: triples (subject,relation,object) describing a semantic relation between a subject…

机器学习 · 计算机科学 2019-10-02 Ivan Donadello , Luciano Serafini

In the last decade, driven also by the availability of an unprecedented computational power and storage capabilities in cloud environments we assisted to the proliferation of new algorithms, methods, and approaches in two areas of…

信息检索 · 计算机科学 2017-07-25 Vito Bellini , Vito Walter Anelli , Tommaso Di Noia , Eugenio Di Sciascio

Graph data, also known as complex network data, is omnipresent across various domains and applications. Prior graph neural network models primarily focused on extracting task-specific structural features through supervised learning…

机器学习 · 计算机科学 2024-03-26 Hongyin Zhu

It has long been considered a significant problem to improve the visual quality of lossy image and video compression. Recent advances in computing power together with the availability of large training data sets has increased interest in…

多媒体 · 计算机科学 2017-03-30 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

Automatic emotion recognition based on multichannel Electroencephalography (EEG) holds great potential in advancing human-computer interaction. However, several significant challenges persist in existing research on algorithmic emotion…

机器学习 · 计算机科学 2023-10-24 Hongxiang Gao , Xiangyao Wang , Zhenghua Chen , Min Wu , Zhipeng Cai , Lulu Zhao , Jianqing Li , Chengyu Liu