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A new method for explaining the Siamese neural network is proposed. It uses the following main ideas. First, the explained feature vector is compared with the prototype of the corresponding class computed at the embedding level (the Siamese…

Machine Learning · Computer Science 2019-11-19 Lev V. Utkin , Maxim S. Kovalev , Ernest M. Kasimov

Social media accounts post increasingly similar content, creating a chaotic experience across platforms, which makes accessing desired information difficult. These posts can be organized by categorizing and grouping duplicates across social…

Computation and Language · Computer Science 2024-01-17 Sudhanshu Bhoi , Swapnil Markhedkar , Shruti Phadke , Prashant Agrawal

Semantic Textual Similarity (STS) is the basis of many applications in Natural Language Processing (NLP). Our system combines convolution and recurrent neural networks to measure the semantic similarity of sentences. It uses a convolution…

Computation and Language · Computer Science 2018-10-26 Elvys Linhares Pontes , Stéphane Huet , Andréa Carneiro Linhares , Juan-Manuel Torres-Moreno

This article focuses on the study of Word Embedding, a feature-learning technique in Natural Language Processing that maps words or phrases to low-dimensional vectors. Beginning with the linguistic theories concerning contextual…

Computation and Language · Computer Science 2019-11-05 Xiaolei Lu , Bin Ni

Contextual embeddings represent a new generation of semantic representations learned from Neural Language Modelling (NLM) that addresses the issue of meaning conflation hampering traditional word embeddings. In this work, we show that…

Computation and Language · Computer Science 2019-06-25 Daniel Loureiro , Alipio Jorge

Self-supervised learning (SSL) has delivered superior performance on a variety of downstream vision tasks. Two main-stream SSL frameworks have been proposed, i.e., Instance Discrimination (ID) and Masked Image Modeling (MIM). ID pulls…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Chenxin Tao , Xizhou Zhu , Weijie Su , Gao Huang , Bin Li , Jie Zhou , Yu Qiao , Xiaogang Wang , Jifeng Dai

Open-vocabulary 3D scene understanding presents a significant challenge in computer vision, with wide-ranging applications in embodied agents and augmented reality systems. Existing methods adopt neurel rendering methods as 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Jun Guo , Xiaojian Ma , Yue Fan , Huaping Liu , Qing Li

We propose Masked Siamese Networks (MSN), a self-supervised learning framework for learning image representations. Our approach matches the representation of an image view containing randomly masked patches to the representation of the…

Transformer-based pre-trained models have achieved great improvements in semantic matching. However, existing models still suffer from insufficient ability to capture subtle differences. The modification, addition and deletion of words in…

Computation and Language · Computer Science 2023-03-15 Chao Xue , Di Liang , Sirui Wang , Wei Wu , Jing Zhang

3D semantic maps have played an increasingly important role in high-precision robot localization and scene understanding. However, real-time construction of semantic maps requires mobile edge devices with extremely high computing power,…

Robotics · Computer Science 2024-12-03 Jiaxing Zhang , Luosong Guo , Kun Zhu , Houming Qiu

Existing deep Thermal InfraRed (TIR) trackers only use semantic features to describe the TIR object, which lack the sufficient discriminative capacity for handling distractors. This becomes worse when the feature extraction network is only…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Qiao Liu , Xin Li , Zhenyu He , Nana Fan , Di Yuan , Hongpeng Wang

Embedding audio signal segments into vectors with fixed dimensionality is attractive because all following processing will be easier and more efficient, for example modeling, classifying or indexing. Audio Word2Vec previously proposed was…

Computation and Language · Computer Science 2018-11-08 Sung-Feng Huang , Yi-Chen Chen , Hung-yi Lee , Lin-shan Lee

The geometric evolution of token representations in large language models (LLMs) presents a fundamental paradox: while human language inherently organizes semantic information in low-dimensional spaces ($\sim 10^1$ dimensions), modern LLMs…

Computation and Language · Computer Science 2025-03-31 Zhuo-Yang Song , Zeyu Li , Qing-Hong Cao , Ming-xing Luo , Hua Xing Zhu

The goal of our industrial ticketing system is to retrieve a relevant solution for an input query, by matching with historical tickets stored in knowledge base. A query is comprised of subject and description, while a historical ticket…

Information Retrieval · Computer Science 2018-07-10 Pankaj Gupta , Bernt Andrassy , Hinrich Schütze

We tackle the problem of object completion from point clouds and propose a novel point cloud completion network employing an Asymmetrical Siamese Feature Matching strategy, termed as ASFM-Net. Specifically, the Siamese auto-encoder neural…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Yaqi Xia , Yan Xia , Wei Li , Rui Song , Kailang Cao , Uwe Stilla

Automatic emotion recognition plays a significant role in the process of human computer interaction and the design of Internet of Things (IOT) technologies. Yet, a common problem in emotion recognition systems lies in the scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Kexin Feng , Theodora Chaspari

In this paper, we propose a similarity-aware fusion network (SAFNet) to adaptively fuse 2D images and 3D point clouds for 3D semantic segmentation. Existing fusion-based methods achieve remarkable performances by integrating information…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Linqing Zhao , Jiwen Lu , Jie Zhou

This paper presents a new approach to estimate accurate and robust 3D semantic correspondence with the hierarchical neural semantic representation. Our work has three key contributions. First, we design the hierarchical neural semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Keyu Du , Jingyu Hu , Haipeng Li , Hao Xu , Haibing Huang , Chi-Wing Fu , Shuaicheng Liu

We first present our work in machine translation, during which we used aligned sentences to train a neural network to embed n-grams of different languages into an $d$-dimensional space, such that n-grams that are the translation of each…

Machine Learning · Computer Science 2011-05-17 Etter Vincent

3D point clouds are rich in geometric structure information, while 2D images contain important and continuous texture information. Combining 2D information to achieve better 3D semantic segmentation has become mainstream in 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Chaolong Yang , Yuyao Yan , Weiguang Zhao , Jianan Ye , Xi Yang , Amir Hussain , Kaizhu Huang