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We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Contextual Relation Extraction (CRE) is mainly used for constructing a knowledge graph with a help of ontology. It performs various tasks such as semantic search, query answering, and textual entailment. Relation extraction identifies the…

计算与语言 · 计算机科学 2023-09-14 R. Priyadharshini , G. Jeyakodi , P. Shanthi Bala

Objective: To automatically create large labeled training datasets and reduce the efforts of feature engineering for training accurate machine learning models for clinical information extraction. Materials and Methods: We propose a distant…

Feature extraction becomes increasingly important as data grows high dimensional. Autoencoder as a neural network based feature extraction method achieves great success in generating abstract features of high dimensional data. However, it…

机器学习 · 计算机科学 2018-02-22 Qinxue Meng , Daniel Catchpoole , David Skillicorn , Paul J. Kennedy

Human visual system is modeled in engineering field providing feature-engineered methods which detect contrasted/surprising/unusual data into images. This data is "interesting" for humans and leads to numerous applications. Deep learning…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Matei Mancas , Phutphalla Kong , Bernard Gosselin

Deep graph clustering, which aims to reveal the underlying graph structure and divide the nodes into different clusters without human annotations, is a fundamental yet challenging task. However, we observed that the existing methods suffer…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Yue Liu , Sihang Zhou , Xinwang Liu , Wenxuan Tu , Xihong Yang

The human face conveys a significant amount of information. Through facial expressions, the face is able to communicate numerous sentiments without the need for verbalisation. Visual emotion recognition has been extensively studied.…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Liam Schoneveld , Alice Othmani

Intense short-wavelength pulses from free-electron lasers and high-harmonic-generation sources enable diffractive imaging of individual nano-sized objects with a single x-ray laser shot. The enormous data sets with up to several million…

Relation extraction is a Natural Language Processing task that aims to extract relationships from textual data. It is a critical step for information extraction. Due to its wide-scale applicability, research in relation extraction has…

计算与语言 · 计算机科学 2024-11-27 Anushka Swarup , Avanti Bhandarkar , Olivia P. Dizon-Paradis , Ronald Wilson , Damon L. Woodard

This study introduces a novel unsupervised medical image feature extraction method that employs spatial stratification techniques. An objective function based on weight is proposed to achieve the purpose of fast image recognition. The…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Qishi Zhan , Dan Sun , Erdi Gao , Yuhan Ma , Yaxin Liang , Haowei Yang

This paper studies the performance of deep convolutional neural networks (DCNNs) with zero-padding in feature extraction and learning. After verifying the roles of zero-padding in enabling translation-equivalence, and pooling in its…

机器学习 · 计算机科学 2023-08-01 Zhi Han , Baichen Liu , Shao-Bo Lin , Ding-Xuan Zhou

Facial attributes are emerging soft biometrics that have the potential to reject non-matches, for example, based on mismatching gender. To be usable in stand-alone systems, facial attributes must be extracted from images automatically and…

计算机视觉与模式识别 · 计算机科学 2016-09-20 Andras Rozsa , Manuel Günther , Ethan M. Rudd , Terrance E. Boult

Feature extraction and selection in the presence of nonlinear dependencies among the data is a fundamental challenge in unsupervised learning. We propose using a Gram-Schmidt (GS) type orthogonalization process over function spaces to…

机器学习 · 计算机科学 2025-07-16 Bahram Yaghooti , Netanel Raviv , Bruno Sinopoli

The advent of highly accurate protein structure prediction methods has fueled an exponential expansion of the protein structure database. Consequently, there is a rising demand for rapid and precise structural homolog search. Traditional…

生物大分子 · 定量生物学 2023-12-01 Yuan Liu , Hong-Bin Shen

Obtaining compact and discriminative features is one of the major challenges in many of the real-world image classification tasks such as face verification and object recognition. One possible approach is to represent input image on the…

计算机视觉与模式识别 · 计算机科学 2012-11-29 Junyoung Chung , Donghoon Lee , Youngjoo Seo , Chang D. Yoo

In this paper, we propose a novel Feature Decomposition and Reconstruction Learning (FDRL) method for effective facial expression recognition. We view the expression information as the combination of the shared information (expression…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Delian Ruan , Yan Yan , Shenqi Lai , Zhenhua Chai , Chunhua Shen , Hanzi Wang

Channel pruning is a powerful technique to reduce the computational overhead of deep neural networks, enabling efficient deployment on resource-constrained devices. However, existing pruning methods often rely on local heuristics or…

人工智能 · 计算机科学 2025-06-16 Zifan Liu , Yuan Cao , Yanwei Yu , Heng Qi , Jie Gui

Cosmic ray (CR) identification and replacement are critical components of imaging and spectroscopic reduction pipelines involving solid-state detectors. We present deepCR, a deep learning based framework for CR identification and subsequent…

天体物理仪器与方法 · 物理学 2020-02-05 Keming Zhang , Joshua S. Bloom

Deep learning utilizing deep neural networks (DNNs) has achieved a lot of success recently in many important areas such as computer vision, natural language processing, and recommendation systems. The lack of convexity for DNNs has been…

机器学习 · 计算机科学 2022-06-14 Jingcheng Zhou , Wei Wei , Xing Li , Bowen Pang , Zhiming Zheng

If the training dataset is not very large, image recognition is usually implemented with the transfer learning methods. In these methods the features are extracted using a deep convolutional neural network, which was preliminarily trained…

计算机视觉与模式识别 · 计算机科学 2017-08-10 Andrey Savchenko