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Related papers: ReLU Fields: The Little Non-linearity That Could

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The dominant paradigm in modern neural networks relies on simple, monotonically-increasing activation functions like ReLU. While effective, this paradigm necessitates large, massively-parameterized models to approximate complex functions.…

Machine Learning · Computer Science 2025-08-27 Shiko Kudo

Recent advances in neural radiance fields (NeRFs) achieve state-of-the-art novel view synthesis and facilitate dense estimation of scene properties. However, NeRFs often fail for large, unbounded scenes that are captured under very sparse…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Alexandra Carlson , Manikandasriram Srinivasan Ramanagopal , Nathan Tseng , Matthew Johnson-Roberson , Ram Vasudevan , Katherine A. Skinner

Neural radiance fields (NeRFs) have emerged as an effective method for novel-view synthesis and 3D scene reconstruction. However, conventional training methods require access to all training views during scene optimization. This assumption…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Ryan Po , Zhengyang Dong , Alexander W. Bergman , Gordon Wetzstein

Injectivity is the defining property of a mapping that ensures no information is lost and any input can be perfectly reconstructed from its output. By performing hard thresholding, the ReLU function naturally interferes with this property,…

Machine Learning · Computer Science 2024-12-02 Daniel Haider , Martin Ehler , Peter Balazs

Prediction and interpolation for long-range video data involves the complex task of modeling motion trajectories for each visible object, occlusions and dis-occlusions, as well as appearance changes due to viewpoint and lighting. Optical…

Computer Vision and Pattern Recognition · Computer Science 2019-09-09 Kevin J. Shih , Aysegul Dundar , Animesh Garg , Robert Pottorf , Andrew Tao , Bryan Catanzaro

Inferring representations of 3D scenes from 2D observations is a fundamental problem of computer graphics, computer vision, and artificial intelligence. Emerging 3D-structured neural scene representations are a promising approach to 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Vincent Sitzmann , Semon Rezchikov , William T. Freeman , Joshua B. Tenenbaum , Fredo Durand

Implicit representations of 3D objects have recently achieved impressive results on learning-based 3D reconstruction tasks. While existing works use simple texture models to represent object appearance, photo-realistic image synthesis…

Computer Vision and Pattern Recognition · Computer Science 2020-03-30 Michael Oechsle , Michael Niemeyer , Lars Mescheder , Thilo Strauss , Andreas Geiger

Sparse computation offers a compelling solution for the inference of Large Language Models (LLMs) in low-resource scenarios by dynamically skipping the computation of inactive neurons. While traditional approaches focus on ReLU-based LLMs,…

Machine Learning · Computer Science 2024-02-07 Zhengyan Zhang , Yixin Song , Guanghui Yu , Xu Han , Yankai Lin , Chaojun Xiao , Chenyang Song , Zhiyuan Liu , Zeyu Mi , Maosong Sun

Neural fields or implicit neural representations (INRs) have attracted significant attention in computer vision and imaging due to their efficient coordinate-based representation of images and 3D volumes. In this work, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 AmirEhsan Khorashadizadeh , Tobías I. Liaudat , Tianlin Liu , Jason D. McEwen , Ivan Dokmanić

Rectified Linear Units (ReLUs) have been shown to ameliorate the vanishing gradient problem, allow for efficient backpropagation, and empirically promote sparsity in the learned parameters. They have led to state-of-the-art results in a…

Machine Learning · Computer Science 2016-05-30 Xingyuan Pan , Vivek Srikumar

Coordinate-based Multilayer Perceptron (MLP) networks, despite being capable of learning neural implicit representations, are not performant for internal image synthesis applications. Convolutional Neural Networks (CNNs) are typically used…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Mikolaj Czerkawski , Javier Cardona , Robert Atkinson , Craig Michie , Ivan Andonovic , Carmine Clemente , Christos Tachtatzis

In deep learning, Multi-Layer Perceptrons (MLPs) have once again garnered attention from researchers. This paper introduces MC-MLP, a general MLP-like backbone for computer vision that is composed of a series of fully-connected (FC) layers.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Zhimin Zhu , Jianguo Zhao , Tong Mu , Yuliang Yang , Mengyu Zhu

Convolutional networks for image classification progressively reduce resolution until the image is represented by tiny feature maps in which the spatial structure of the scene is no longer discernible. Such loss of spatial acuity can limit…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Fisher Yu , Vladlen Koltun , Thomas Funkhouser

Reliably reconstructing physical fields from sparse sensor data is a challenge that frequently arises in many scientific domains. In practice, the process generating the data often is not understood to sufficient accuracy. Therefore, there…

Machine Learning · Computer Science 2024-01-23 Xihaier Luo , Wei Xu , Yihui Ren , Shinjae Yoo , Balu Nadiga

Multimodal Large Language Models (MLLMs) have demonstrated an excellent understanding of images and 3D data. However, both modalities have shortcomings in holistically capturing the appearance and geometry of objects. Meanwhile, Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Andrea Amaduzzi , Pierluigi Zama Ramirez , Giuseppe Lisanti , Samuele Salti , Luigi Di Stefano

We introduce DoubleField, a novel framework combining the merits of both surface field and radiance field for high-fidelity human reconstruction and rendering. Within DoubleField, the surface field and radiance field are associated together…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Ruizhi Shao , Hongwen Zhang , He Zhang , Mingjia Chen , Yanpei Cao , Tao Yu , Yebin Liu

Neural networks are highly effective tools for image reconstruction problems such as denoising and compressive sensing. To date, neural networks for image reconstruction are almost exclusively convolutional. The most popular architecture is…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Youssef Mansour , Kang Lin , Reinhard Heckel

Image-adaptive lookup tables (LUTs) have achieved great success in real-time image enhancement tasks due to their high efficiency for modeling color transforms. However, they embed the complete transform, including the color…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Canqian Yang , Meiguang Jin , Yi Xu , Rui Zhang , Ying Chen , Huaida Liu

Previous work has demonstrated that attention mechanisms are Turing complete. More recently, it has been shown that a looped 9-layer Transformer can function as a universal programmable computer. In contrast, the multi-layer perceptrons…

Machine Learning · Computer Science 2025-02-21 Yingyu Liang , Zhizhou Sha , Zhenmei Shi , Zhao Song , Yufa Zhou

We present a novel differentiable grid-based representation for efficiently solving differential equations (DEs). Widely used architectures for neural solvers, such as sinusoidal neural networks, are coordinate-based MLPs that are both…

Machine Learning · Computer Science 2026-01-16 Navami Kairanda , Shanthika Naik , Marc Habermann , Avinash Sharma , Christian Theobalt , Vladislav Golyanik