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Conditional Generative Adversarial Nets (CGAN) is often used to improve conditional image generation performance. However, there is little research on Representation learning with CGAN for causal inference. This paper proposes a new method…

Machine Learning · Computer Science 2024-07-04 Zhaotian Weng , Jianbo Hong , Lan Wang

Traditional change detection methods usually follow the image differencing, change feature extraction and classification framework, and their performance is limited by such simple image domain differencing and also the hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Bin Hou , Qingjie Liu , Heng Wang , Yunhong Wang

Deep Neural Networks have recently demonstrated promising performance in binary change detection (CD) problems in remote sensing (RS), requiring a large amount of labeled multitemporal training samples. Since collecting such data is…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Jose Luis Holgado Alvarez , Mahdyar Ravanbakhsh , Begüm Demir

Deep generative models have been successfully applied to many applications. However, existing works experience limitations when generating large images (the literature usually generates small images, e.g. 32 * 32 or 128 * 128). In this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Zihan Ding , Xiao-Yang Liu , Miao Yin , Linghe Kong

Recently image-to-image translation has received increasing attention, which aims to map images in one domain to another specific one. Existing methods mainly solve this task via a deep generative model, and focus on exploring the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Songyao Jiang , Zhiqiang Tao , Yun Fu

Image generation and image completion are rapidly evolving fields, thanks to machine learning algorithms that are able to realistically replace missing pixels. However, generating large high resolution images, with a large level of details,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Renato Cardoso , Sofia Vallecorsa , Edoardo Nemni

The generative adversarial network (GAN) has shown its outstanding capability in improving Non-Autoregressive TTS (NAR-TTS) by adversarially training it with an extra model that discriminates between the real and the generated speech. To…

Sound · Computer Science 2022-03-23 Haohan Guo , Hui Lu , Xixin Wu , Helen Meng

The advent of learning-based methods in speech enhancement has revived the need for robust and reliable training features that can compactly represent speech signals while preserving their vital information. Time-frequency domain features,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Farnood Faraji , Yazid Attabi , Benoit Champagne , Wei-Ping Zhu

Radio Frequency Fingerprinting (RFF) has evolved as an effective solution for authenticating devices by leveraging the unique imperfections in hardware components involved in the signal generation process. In this work, we propose a…

Cryptography and Security · Computer Science 2025-10-14 Raju Dhakal , Prashant Shekhar , Laxima Niure Kandel

Recommender systems rely on Collaborative Filtering (CF) to predict user preferences by leveraging patterns in historical user-item interactions. While traditional CF methods primarily focus on learning compact vector embeddings for users…

Information Retrieval · Computer Science 2025-01-29 Darnbi Sakong , Thanh Trung Huynh , Jun Jo

Time series forecasting is one of the challenging problems for humankind. Traditional forecasting methods using mean regression models have severe shortcomings in reflecting real-world fluctuations. While new probabilistic methods rush to…

Machine Learning · Computer Science 2019-06-26 Alireza Koochali , Peter Schichtel , Sheraz Ahmed , Andreas Dengel

Magnetic resonance image (MRI) reconstruction is a severely ill-posed linear inverse task demanding time and resource intensive computations that can substantially trade off {\it accuracy} for {\it speed} in real-time imaging. In addition,…

Computer Vision and Pattern Recognition · Computer Science 2017-06-02 Morteza Mardani , Enhao Gong , Joseph Y. Cheng , Shreyas Vasanawala , Greg Zaharchuk , Marcus Alley , Neil Thakur , Song Han , William Dally , John M. Pauly , Lei Xing

Most deep learning methods that achieve high segmentation accuracy require deep network architectures that are too heavy and complex to run on embedded devices with limited storage and memory space. To address this issue, this paper…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Luyi Qiu , Dayu Yu , Xiaofeng Zhang , Chenxiao Zhang

Super-Resolution (SR) is a time-hallowed image processing problem that aims to improve the quality of a Low-Resolution (LR) sample up to the standard of its High-Resolution (HR) counterpart. We aim to address this by introducing…

Image and Video Processing · Electrical Eng. & Systems 2024-04-10 Arkaprabha Basu , Kushal Bose , Sankha Subhra Mullick , Anish Chakrabarty , Swagatam Das

Time series synthesis is an effective approach to ensuring the secure circulation of time series data. Existing time series synthesis methods typically perform temporal modeling based on random sequences to generate target sequences, which…

Machine Learning · Computer Science 2025-09-01 Xuan Hou , Shuhan Liu , Zhaohui Peng , Yaohui Chu , Yue Zhang , Yining Wang

Localization technology is important for the development of indoor location-based services (LBS). Global Positioning System (GPS) becomes invalid in indoor environments due to the non-line-of-sight issue, so it is urgent to develop a…

Machine Learning · Computer Science 2017-11-09 Chenxiao Zhu , Lingqing Xu , Xiao-Yang Liu , Feng Qian

Generative adversarial networks (GANs) have proven hugely successful in variety of applications of image processing. However, generative adversarial networks for handwriting is relatively rare somehow because of difficulty of handling…

Machine Learning · Computer Science 2020-02-28 Bo Ji , Tianyi Chen

Systematic trading strategies are algorithmic procedures that allocate assets aiming to optimize a certain performance criterion. To obtain an edge in a highly competitive environment, the analyst needs to proper fine-tune its strategy, or…

Machine Learning · Computer Science 2019-04-02 Adriano Koshiyama , Nick Firoozye , Philip Treleaven

The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

Sound · Computer Science 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

Terahertz (THz) communications are envisioned as a promising technology for 6G and beyond wireless systems, providing ultra-broad continuous bandwidth and thus Terabit-per-second (Tbps) data rates. However, as foundation of designing THz…

Signal Processing · Electrical Eng. & Systems 2023-06-14 Zhengdong Hu , Yuanbo Li , Chong Han