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The variational autoencoder (VAE) is a simple and efficient generative artificial intelligence method for modeling complex probability distributions of various types of data, such as images and texts. However, it suffers some main…

机器学习 · 计算机科学 2025-02-14 Xi Chen , Shaofan Li

We present the Hue-Net - a novel Deep Learning framework for Intensity-based Image-to-Image Translation. The key idea is a new technique termed network augmentation which allows a differentiable construction of intensity histograms from…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Mor Avi-Aharon , Assaf Arbelle , Tammy Riklin Raviv

Geostationary hyperspectral satellites generate terabytes of data daily, creating critical challenges for storage, transmission, and distribution to the scientific community. We present a variational autoencoder (VAE) approach that achieves…

机器学习 · 计算机科学 2025-11-25 Core Francisco Park , Manuel Perez-Carrasco , Caroline Nowlan , Cecilia Garraffo

Hyperspectral data acquired through remote sensing are invaluable for environmental and resource studies. While rich in spectral information, various complexities such as environmental conditions, material properties, and sensor…

地球物理 · 物理学 2025-01-16 Archisman Bhattacharjee , Pawan Bharadwaj

We present an autoencoder that leverages learned representations to better measure similarities in data space. By combining a variational autoencoder with a generative adversarial network we can use learned feature representations in the…

机器学习 · 计算机科学 2016-02-12 Anders Boesen Lindbo Larsen , Søren Kaae Sønderby , Hugo Larochelle , Ole Winther

Denoising diffusion models produce high-fidelity image samples by capturing the image distribution in a progressive manner while initializing with a simple distribution and compounding the distribution complexity. Although these models have…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Ayantika Das , Moitreya Chaudhuri , Koushik Bhat , Keerthi Ram , Mihail Bota , Mohanasankar Sivaprakasam

Sparse autoencoders (SAEs) extract millions of interpretable features from a language model, but flat feature inventories aren't very useful on their own. Domain concepts get mixed with generic and weakly grounded features, while related…

人工智能 · 计算机科学 2026-04-29 John Winnicki , Abeynaya Gnanasekaran , Eric Darve

Integrating domain knowledge into deep learning has emerged as a promising direction for improving model interpretability, generalization, and data efficiency. In this work, we present a novel knowledge-guided ViT-based Masked Autoencoder…

机器学习 · 计算机科学 2026-02-11 Abdul Matin , Rupasree Dey , Tanjim Bin Faruk , Shrideep Pallickara , Sangmi Lee Pallickara

Remote sensing semantic segmentation requires models that can jointly capture fine spatial details and high-level semantic context across complex scenes. While classical encoder-decoder architectures such as U-Net remain strong baselines,…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Md Aminur Hossain , Ayush V. Patel , Siddhant Gole , Sanjay K. Singh , Biplab Banerjee

The success of Deep Generative Models at high-resolution image generation has led to their extensive utilization for style editing of real images. Most existing methods work on the principle of inverting real images onto their latent space,…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Snehal Singh Tomar , Maitreya Suin , A. N. Rajagopalan

Compressive sensing is an impressive approach for fast MRI. It aims at reconstructing MR image using only a few under-sampled data in k-space, enhancing the efficiency of the data acquisition. In this study, we propose to learn priors based…

图像与视频处理 · 电气工程与系统科学 2019-09-05 Siyuan Wang , Junjie Lv , Yuanyuan Hu , Dong Liang , Minghui Zhang , Qiegen Liu

Diffusion models with continuous stochastic differential equations (SDEs) have shown superior performances in image generation. It can serve as a deep generative prior to solving the inverse problem in magnetic resonance (MR)…

图像与视频处理 · 电气工程与系统科学 2024-01-23 Chentao Cao , Zhuo-Xu Cui , Yue Wang , Shaonan Liu , Taijin Chen , Hairong Zheng , Dong Liang , Yanjie Zhu

Tokenizers are a crucial component of latent diffusion models, as they define the latent space in which diffusion models operate. However, existing tokenizers are primarily designed to improve reconstruction fidelity or inherit pretrained…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Zhengrong Yue , Taihang Hu , Mengting Chen , Haiyu Zhang , Zihao Pan , Tao Liu , Zikang Wang , Jinsong Lan , Xiaoyong Zhu , Bo Zheng , Yali Wang

Guided wave-based structural health monitoring (SHM) remains a powerful strategy for identifying early-stage defects and safeguarding vital aerospace structures. Yet, its practical use is often hindered by the enormous, high-dimensional…

信号处理 · 电气工程与系统科学 2025-04-16 Yiming Fan , Dimitris G Giovanis , Fotis Kopsaftopoulos

Object detection in Unmanned Aerial Vehicle (UAV) imagery is fundamentally challenged by a prevalence of small, densely packed, and occluded objects within cluttered backgrounds. Conventional detectors struggle with this domain, as they…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Hongxing Peng , Lide Chen , Hui Zhu , Yan Chen

Artificial intelligence has emerged as promising tool to decode a phase image transmitted through a multimode fiber (MMF) by applying deep learning techniques. By transmitting tens of thousands of images through the MMF, deep neural…

We propose a flipped-Adversarial AutoEncoder (FAAE) that simultaneously trains a generative model G that maps an arbitrary latent code distribution to a data distribution and an encoder E that embodies an "inverse mapping" that encodes a…

机器学习 · 计算机科学 2018-04-05 Jiyi Zhang , Hung Dang , Hwee Kuan Lee , Ee-Chien Chang

The Variational Auto-Encoder (VAE) is one of the most used unsupervised machine learning models. But although the default choice of a Gaussian distribution for both the prior and posterior represents a mathematically convenient distribution…

机器学习 · 统计学 2022-09-28 Tim R. Davidson , Luca Falorsi , Nicola De Cao , Thomas Kipf , Jakub M. Tomczak

The variational autoencoder (VAE) is a popular deep latent variable model used to analyse high-dimensional datasets by learning a low-dimensional latent representation of the data. It simultaneously learns a generative model and an…

机器学习 · 计算机科学 2023-11-21 Mine Öğretir , Siddharth Ramchandran , Dimitrios Papatheodorou , Harri Lähdesmäki

Diffusion probabilistic models (DPMs) have shown remarkable results on various image synthesis tasks such as text-to-image generation and image inpainting. However, compared to other generative methods like VAEs and GANs, DPMs lack a…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Yipeng Leng , Qiangjuan Huang , Zhiyuan Wang , Yangyang Liu , Haoyu Zhang