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Recent advances in learning-based image compression typically come at the cost of high complexity. Designing computationally efficient architectures remains an open challenge. In this paper, we empirically investigate the impact of…

图像与视频处理 · 电气工程与系统科学 2024-06-18 Yichi Zhang , Zhihao Duan , Fengqing Zhu

Datasets such as images, text, or movies are embedded in high-dimensional spaces. However, in important cases such as images of objects, the statistical structure in the data constrains samples to a manifold of dramatically lower…

机器学习 · 计算机科学 2019-10-29 Stefano Recanatesi , Matthew Farrell , Madhu Advani , Timothy Moore , Guillaume Lajoie , Eric Shea-Brown

With the growing size and complexity of turbulent flow models, data compression approaches are of the utmost importance to analyze, visualize, or restart the simulations. Recently, in-situ autoencoder-based compression approaches have been…

流体动力学 · 物理学 2022-10-18 Alberto Olmo , Ahmed Zamzam , Andrew Glaws , Ryan King

This work investigates three methods for calculating loss for autoencoder-based pretraining of image encoders: The commonly used reconstruction loss, the more recently introduced deep perceptual similarity loss, and a feature prediction…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Overparameterized models have proven to be powerful tools for solving various machine learning tasks. However, overparameterization often leads to a substantial increase in computational and memory costs, which in turn requires extensive…

机器学习 · 计算机科学 2024-03-13 Soo Min Kwon , Zekai Zhang , Dogyoon Song , Laura Balzano , Qing Qu

Autoencoders empower state-of-the-art image and video generative models by compressing pixels into a latent space through visual tokenization. Although recent advances have alleviated the performance degradation of autoencoders under high…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Dongxu Liu , Jiahui Zhu , Yuang Peng , Haomiao Tang , Yuwei Chen , Chunrui Han , Zheng Ge , Daxin Jiang , Mingxue Liao

Continual learning for reinforcement learning agents remains a significant challenge, particularly in preserving and leveraging existing information without an external signal to indicate changes in tasks or environments. In this study, we…

机器学习 · 计算机科学 2025-05-15 Zeki Doruk Erden , Donia Gasmi , Boi Faltings

Neuroevolution has proven effective at many reinforcement learning tasks, but does not seem to scale well to high-dimensional controller representations, which are needed for tasks where the input is raw pixel data. We propose a novel…

人工智能 · 计算机科学 2017-07-14 Samuel Alvernaz , Julian Togelius

There has been much interest in deploying deep learning algorithms on low-powered devices, including smartphones, drones, and medical sensors. However, full-scale deep neural networks are often too resource-intensive in terms of energy and…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yoshitomo Matsubara , Ruihan Yang , Marco Levorato , Stephan Mandt

Deep reinforcement learning (RL) algorithms frequently require prohibitive interaction experience to ensure the quality of learned policies. The limitation is partly because the agent cannot learn much from the many low-quality trials in…

机器学习 · 计算机科学 2020-04-24 Keting Lu , Shiqi Zhang , Xiaoping Chen

Data-efficient learning in continuous state-action spaces using very high-dimensional observations remains a key challenge in developing fully autonomous systems. In this paper, we consider one instance of this challenge, the pixels to…

机器学习 · 统计学 2015-06-19 Niklas Wahlström , Thomas B. Schön , Marc Peter Deisenroth

The autoencoder is an unsupervised learning paradigm that aims to create a compact latent representation of data by minimizing the reconstruction loss. However, it tends to overlook the fact that most data (images) are embedded in a…

Deep learning models for image compression often face practical limitations in hardware-constrained applications. Although these models achieve high-quality reconstructions, they are typically complex, heavyweight, and require substantial…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Caroline Mazini Rodrigues , Nicolas Keriven , Thomas Maugey

Deep neural networks have achieved strong performance in image classification tasks due to their ability to learn complex patterns from high-dimensional data. However, their large computational and memory requirements often limit deployment…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Sai Shi

Learning compressed representations of multivariate time series (MTS) facilitates data analysis in the presence of noise and redundant information, and for a large number of variates and time steps. However, classical dimensionality…

神经与进化计算 · 计算机科学 2019-07-17 Filippo Maria Bianchi , Lorenzo Livi , Karl Øyvind Mikalsen , Michael Kampffmeyer , Robert Jenssen

The one-body reduced density matrix (1-RDM) of a many-body system at zero temperature gives direct access to many observables, such as the charge density, kinetic energy and occupation numbers. It would be desirable to express it as a…

计算物理 · 物理学 2021-01-27 Jack Wetherell , Andrea Costamagna , Matteo Gatti , Lucia Reining

Enforcing complex (e.g., nonconvex) operational constraints is a critical challenge in real-world learning and control systems. However, existing methods struggle to efficiently enforce general classes of constraints. To address this, we…

机器学习 · 计算机科学 2026-04-07 Maria Chzhen , Priya L. Donti

It has been a long-standing goal in machine learning, as well as in AI more generally, to develop life-long learning systems that learn many different tasks over time, and reuse insights from tasks learned, "learning to learn" as they do…

机器学习 · 计算机科学 2014-12-08 Maria-Florina Balcan , Avrim Blum , Santosh Vempala

Deep Neural Networks trained as image auto-encoders have recently emerged as a promising direction for advancing the state-of-the-art in image compression. The key challenge in learning such networks is twofold: To deal with quantization,…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Fabian Mentzer , Eirikur Agustsson , Michael Tschannen , Radu Timofte , Luc Van Gool

The application of convolutional autoencoder deep learning to imaging data for planetary science and astrobiological use is briefly reviewed and explored with a focus on the need to understand algorithmic rationale, process, and results…

地球与行星天体物理 · 物理学 2025-07-16 Caleb Scharf