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Convolutional neural network (CNN) models have been widely used for fault diagnosis of complex systems. However, traditional CNN models rely on small kernel filters to obtain local features from images. Thus, an excessively deep CNN is…

系统与控制 · 电气工程与系统科学 2022-10-05 Qiugang Lu , Saif S. S. Al-Wahaibi

Aspect Term Extraction (ATE) identifies opinionated aspect terms in texts and is one of the tasks in the SemEval Aspect Based Sentiment Analysis (ABSA) contest. The small amount of available datasets for supervised ATE and the costly human…

计算与语言 · 计算机科学 2017-09-18 Athanasios Giannakopoulos , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl

Cross-domain sentiment classification has drawn much attention in recent years. Most existing approaches focus on learning domain-invariant representations in both the source and target domains, while few of them pay attention to the…

计算与语言 · 计算机科学 2019-08-27 Mengting Hu , Yike Wu , Shiwan Zhao , Honglei Guo , Renhong Cheng , Zhong Su

Sentiment analysis is known as one of the most crucial tasks in the field of natural language processing and Convolutional Neural Network (CNN) is one of those prominent models that is commonly used for this aim. Although convolutional…

计算与语言 · 计算机科学 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

Sentiment analysis of online user generated content is important for many social media analytics tasks. Researchers have largely relied on textual sentiment analysis to develop systems to predict political elections, measure economic…

计算机视觉与模式识别 · 计算机科学 2015-09-22 Quanzeng You , Jiebo Luo , Hailin Jin , Jianchao Yang

The objective of Aspect Based Sentiment Analysis is to capture the sentiment of reviewers associated with different aspects. However, complexity of the review sentences, presence of double negation and specific usage of words found in…

计算与语言 · 计算机科学 2022-02-15 Abir Chakraborty

Supervised object detection has been proven to be successful in many benchmark datasets achieving human-level performances. However, acquiring a large amount of labeled image samples for supervised detection training is tedious,…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Bishwo Adhikari , Esa Rahtu , Heikki Huttunen

Reviews are valuable resources for customers making purchase decisions in online shopping. However, it is impractical for customers to go over the vast number of reviews and manually conclude the prominent opinions, which prompts the need…

计算与语言 · 计算机科学 2025-06-13 Wendi Zhou , Ameer Saadat-Yazdi , Nadin Kokciyan

Opinion summarization from online product reviews is a challenging task, which involves identifying opinions related to various aspects of the product being reviewed. While previous works require additional human effort to identify relevant…

计算与语言 · 计算机科学 2019-11-25 Chao Zhao , Snigdha Chaturvedi

With the surge of deep learning techniques, the field of person re-identification has witnessed rapid progress in recent years. Deep learning based methods focus on learning a feature space where samples are clustered compactly according to…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Chuanchen Luo , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

Convolutional neural networks (CNNs) have been widely used for hyperspectral image classification. As a common process, small cubes are firstly cropped from the hyperspectral image and then fed into CNNs to extract spectral and spatial…

图像与视频处理 · 电气工程与系统科学 2020-06-15 Renlong Hang , Zhu Li , Qingshan Liu , Pedram Ghamisi , Shuvra S. Bhattacharyya

During the last half decade, convolutional neural networks (CNNs) have triumphed over semantic segmentation, which is one of the core tasks in many applications such as autonomous driving and augmented reality. However, to train CNNs…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Yang Zhang , Philip David , Hassan Foroosh , Boqing Gong

Joint extraction of aspects and sentiments can be effectively formulated as a sequence labeling problem. However, such formulation hinders the effectiveness of supervised methods due to the lack of annotated sequence data in many domains.…

计算与语言 · 计算机科学 2019-11-01 Zheng Li , Xin Li , Ying Wei , Lidong Bing , Yu Zhang , Qiang Yang

Convolutional Neural Networks (CNNs) have exhibited great performance in discriminative feature learning for complex visual tasks. Besides discrimination power, interpretability is another important yet under-explored property for CNNs. One…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Wengang Guo , Jiayi Yang , Huilin Yin , Qijun Chen , Wei Ye

Most of the crowd abnormal event detection methods rely on complex hand-crafted features to represent the crowd motion and appearance. Convolutional Neural Networks (CNN) have shown to be a powerful tool with excellent representational…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Mahdyar Ravanbakhsh , Moin Nabi , Hossein Mousavi , Enver Sangineto , Nicu Sebe

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Classifying the various shapes and attributes of a glioma cell nucleus is crucial for diagnosis and understanding the disease. We investigate automated classification of glioma nuclear shapes and visual attributes using Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Veda Murthy , Le Hou , Dimitris Samaras , Tahsin M. Kurc , Joel H. Saltz

Convolutional neural networks (CNNs) achieve state-of-the-art performance in a wide variety of tasks in computer vision. However, interpreting CNNs still remains a challenge. This is mainly due to the large number of parameters in these…

机器学习 · 统计学 2017-11-08 Reza Abbasi-Asl , Bin Yu

The success of convolutional neural networks (CNNs) in various applications is accompanied by a significant increase in computation and parameter storage costs. Recent efforts to reduce these overheads involve pruning and compressing the…

Contour information plays a vital role in salient object detection. However, excessive false positives remain in predictions from existing contour-based models due to insufficient contour-saliency fusion. In this work, we designed a network…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Yi Ke Yun , Takahiro Tsubono