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Neural network-based optimal transport (OT) is a recent and fruitful direction in the generative modeling community. It finds its applications in various fields such as domain translation, image super-resolution, computational biology and…

Machine Learning · Computer Science 2026-02-25 Roman Tarasov , Petr Mokrov , Milena Gazdieva , Evgeny Burnaev , Alexander Korotin

We present Optimal Transport GAN (OT-GAN), a variant of generative adversarial nets minimizing a new metric measuring the distance between the generator distribution and the data distribution. This metric, which we call mini-batch energy…

Machine Learning · Computer Science 2018-03-16 Tim Salimans , Han Zhang , Alec Radford , Dimitris Metaxas

Despite the breakthroughs in accuracy and speed of single image super-resolution using faster and deeper convolutional neural networks, one central problem remains largely unsolved: how do we recover the finer texture details when we…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Christian Ledig , Lucas Theis , Ferenc Huszar , Jose Caballero , Andrew Cunningham , Alejandro Acosta , Andrew Aitken , Alykhan Tejani , Johannes Totz , Zehan Wang , Wenzhe Shi

We address the convergence problem in learning the Optimal Transport (OT) map, where the OT Map refers to a map from one distribution to another while minimizing the transport cost. Semi-dual Neural OT, a widely used approach for learning…

Machine Learning · Computer Science 2026-02-03 Jaemoo Choi , Jaewoong Choi , Dohyun Kwon

The design of artificial neural networks (ANNs) is inspired by the structure of the human brain, and in turn, ANNs offer a potential means to interpret and understand brain signals. Existing methods primarily align brain signals with…

Neurons and Cognition · Quantitative Biology 2025-10-08 Yang Xiao , Wang Lu , Jie Ji , Ruimeng Ye , Gen Li , Xiaolong Ma , Bo Hui

Image to image translation is an active area of research in the field of computer vision, enabling the generation of new images with different styles, textures, or resolutions while preserving their characteristic properties. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Gaurav Kumar , Soham Satyadharma , Harpreet Singh

Single Image Super-Resolution (SISR) task refers to learn a mapping from low-resolution images to the corresponding high-resolution ones. This task is known to be extremely difficult since it is an ill-posed problem. Recently, Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Seyed Mehdi Ayyoubzadeh , Xiaolin Wu

In this paper, we present Super-OT, a novel approach to computational lineage tracing that combines a supervised learning framework with optimal transport based on Generative Adversarial Networks (GANs). Unlike previous approaches to…

Machine Learning · Computer Science 2022-01-06 Neha Prasad , Karren Yang , Caroline Uhler

Recently, deep learning approaches for accelerated MRI have been extensively studied thanks to their high performance reconstruction in spite of significantly reduced runtime complexity. These neural networks are usually trained in a…

Image and Video Processing · Electrical Eng. & Systems 2020-09-01 Gyutaek Oh , Byeongsu Sim , Hyungjin Chung , Leonard Sunwoo , Jong Chul Ye

Super-resolution (SR) for image enhancement has great importance in medical image applications. Broadly speaking, there are two types of SR, one requires multiple low resolution (LR) images from different views of the same object to be…

Image and Video Processing · Electrical Eng. & Systems 2018-10-17 Jin Zhu , Guang Yang , Pietro Lio

We consider the single image super-resolution (SISR) problem, where a high-resolution (HR) image is generated based on a low-resolution (LR) input. Recently, generative adversarial networks (GANs) become popular to hallucinate details. Most…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Wenbo Li , Kun Zhou , Lu Qi , Liying Lu , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

Learned Image Signal Processing (ISP) pipelines offer powerful end-to-end performance but are critically dependent on large-scale paired raw-to-sRGB datasets. This reliance on costly-to-acquire paired data remains a significant bottleneck.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Georgy Perevozchikov , Nancy Mehta , Egor Ershov , Radu Timofte

Natural images can be regarded as residing in a manifold that is embedded in a higher dimensional Euclidean space. Generative Adversarial Networks (GANs) try to learn the distribution of the real images in the manifold to generate samples…

Image and Video Processing · Electrical Eng. & Systems 2021-01-12 Sheng Zhong , Shifu Zhou

Generative adversarial networks (GANs) have achieved remarkable progress in the natural image field. However, when applying GANs in the remote sensing (RS) image generation task, an extraordinary phenomenon is observed: the GAN model is…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Xingzhe Su , Wenwen Qiang , Jie Hu , Fengge Wu , Changwen Zheng , Fuchun Sun

Single Image Super Resolution (SISR) is the process of mapping a low-resolution image to a high resolution image. This inherently has applications in remote sensing as a way to increase the spatial resolution in satellite imagery. This…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Matthew Ciolino , David Noever , Josh Kalin

Generative Adversarial Networks (GANs) have been shown to be powerful and flexible priors when solving inverse problems. One challenge of using them is overcoming representation error, the fundamental limitation of the network in…

Machine Learning · Computer Science 2022-04-12 Sean Gunn , Jorio Cocola , Paul Hand

Optimal transport (OT) aims to find a map $T$ that transports mass from one probability measure to another while minimizing a cost function. Recently, neural OT solvers have gained popularity in high dimensional biological applications such…

Machine Learning · Computer Science 2025-05-20 Peter Chen , Yue Xie , Qingpeng Zhang

Semi-supervised learning has made remarkable strides by effectively utilizing a limited amount of labeled data while capitalizing on the abundant information present in unlabeled data. However, current algorithms often prioritize aligning…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Zhiquan Tan , Kaipeng Zheng , Weiran Huang

Unpaired Image-to-Image translation aims to convert the image from one domain (input domain A) to another domain (target domain B), without providing paired examples for the training. The state-of-the-art, Cycle-GAN demonstrated the power…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Mohan Nikam

Recent advancements in unpaired dehazing, particularly those using GANs, show promising performance in processing real-world hazy images. However, these methods tend to face limitations due to the generator's limited transport mapping…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yunwei Lan , Zhigao Cui , Xin Luo , Chang Liu , Nian Wang , Menglin Zhang , Yanzhao Su , Dong Liu