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Random-feature-based attention (RFA) is an efficient approximation of softmax attention with linear runtime and space complexity. However, the approximation gap between RFA and conventional softmax attention is not well studied. Built upon…

Machine Learning · Computer Science 2023-02-10 Lin Zheng , Jianbo Yuan , Chong Wang , Lingpeng Kong

In this paper, we propose a simple but effective semantic-based aggregation (SBA) method. The proposed SBA utilizes the discriminative filters of deep convolutional layers as semantic detectors. Moreover, we propose the effective…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Jian Xu , Chunheng Wang , Chengzuo Qi , Cunzhao Shi , Baihua Xiao

Visual attention modeling, important for interpreting and prioritizing visual stimuli, plays a significant role in applications such as marketing, multimedia, and robotics. Traditional saliency prediction models, especially those based on…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Alireza Hosseini , Amirhossein Kazerouni , Saeed Akhavan , Michael Brudno , Babak Taati

Face attribute evaluation plays an important role in video surveillance and face analysis. Although methods based on convolution neural networks have made great progress, they inevitably only deal with one local neighborhood with…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Decheng Liu , Weijie He , Chunlei Peng , Nannan Wang , Jie Li , Xinbo Gao

We propose and study a novel supervised approach to learning statistical semantic relatedness models from subjectively annotated training examples. The proposed semantic model consists of parameterized co-occurrence statistics associated…

Computation and Language · Computer Science 2013-11-12 Ran El-Yaniv , David Yanay

Text-based person search aims to retrieve the specified person images given a textual description. The key to tackling such a challenging task is to learn powerful multi-modal representations. Towards this, we propose a Relation and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Yang Bai , Min Cao , Daming Gao , Ziqiang Cao , Chen Chen , Zhenfeng Fan , Liqiang Nie , Min Zhang

Vision transformer has demonstrated great potential in abundant vision tasks. However, it also inevitably suffers from poor generalization capability when the distribution shift occurs in testing (i.e., out-of-distribution data). To…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Xin Li , Cuiling Lan , Guoqiang Wei , Zhibo Chen

Unsupervised paraphrase generation is a promising and important research topic in natural language processing. We propose UPSA, a novel approach that accomplishes Unsupervised Paraphrasing by Simulated Annealing. We model paraphrase…

Computation and Language · Computer Science 2019-09-11 Xianggen Liu , Lili Mou , Fandong Meng , Hao Zhou , Jie Zhou , Sen Song

Semantic segmentation is one of the basic, yet essential scene understanding tasks for an autonomous agent. The recent developments in supervised machine learning and neural networks have enjoyed great success in enhancing the performance…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 S. Ehsan Mirsadeghi , Ali Royat , Hamid Rezatofighi

Unsupervised summarization methods have achieved remarkable results by incorporating representations from pre-trained language models. However, existing methods fail to consider efficiency and effectiveness at the same time when the input…

Computation and Language · Computer Science 2022-08-18 Xinnian Liang , Jing Li , Shuangzhi Wu , Jiali Zeng , Yufan Jiang , Mu Li , Zhoujun Li

Transformer-based models have been widely adopted for sentiment analysis tasks due to their exceptional ability to capture contextual information. However, these methods often exhibit suboptimal accuracy in certain scenarios. By analyzing…

Artificial Intelligence · Computer Science 2025-12-25 Yawei Liu

Image captioning is the generation of natural language descriptions of images which have increased immense popularity in the recent past. With this different deep-learning techniques are devised for the development of factual and stylized…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Dhruv Sharma , Chhavi Dhiman , Dinesh Kumar

Phrase localization is a task that studies the mapping from textual phrases to regions of an image. Given difficulties in annotating phrase-to-object datasets at scale, we develop a Multimodal Alignment Framework (MAF) to leverage more…

Computation and Language · Computer Science 2020-10-13 Qinxin Wang , Hao Tan , Sheng Shen , Michael W. Mahoney , Zhewei Yao

Unsupervised image semantic segmentation(UISS) aims to match low-level visual features with semantic-level representations without outer supervision. In this paper, we address the critical properties from the view of feature alignments and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Daoan Zhang , Chenming Li , Haoquan Li , Wenjian Huang , Lingyun Huang , Jianguo Zhang

Although deep learning and end-to-end models have been widely used and shown superiority in automatic speech recognition (ASR) and text-to-speech (TTS) synthesis, state-of-the-art forced alignment (FA) models are still based on hidden…

Sound · Computer Science 2022-04-01 Jingbei Li , Yi Meng , Zhiyong Wu , Helen Meng , Qiao Tian , Yuping Wang , Yuxuan Wang

Slow feature analysis (SFA) is a new technique for extracting slowly varying features from a quickly varying signal. It is shown here that SFA can be applied to nonstationary time series to estimate a single underlying driving force with…

Statistical Mechanics · Physics 2007-05-23 Laurenz Wiskott

Feature Structures (FSs) are a widespread tool used for decompositional frameworks of Attribute-Value associations. Even though they thrive in simple systems, they lack a way of representing higher-order entities and relations. This is…

Logic in Computer Science · Computer Science 2020-02-06 Valentin D. Richard

Video-based facial affect analysis has recently attracted increasing attention owing to its critical role in human-computer interaction. Previous studies mainly focus on developing various deep learning architectures and training them in a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Licai Sun , Zheng Lian , Kexin Wang , Yu He , Mingyu Xu , Haiyang Sun , Bin Liu , Jianhua Tao

This work presents a novel probabilistic interpretation of Slow Feature Analysis (SFA) through the lens of variational inference. Unlike prior formulations that recover linear SFA from Gaussian state-space models with linear emissions, this…

Machine Learning · Computer Science 2025-06-03 Merlin Schüler , Laurenz Wiskott

Aspect-based Sentiment Analysis (ABSA) is a fine-grained opinion mining approach that identifies and classifies opinions associated with specific entities (aspects) or their categories within a sentence. Despite its rapid growth and broad…

Computation and Language · Computer Science 2025-11-06 Yan Cathy Hua , Paul Denny , Jörg Wicker , Katerina Taškova