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This paper introduces a method to encode the blur operators of an arbitrary dataset of sharp-blur image pairs into a blur kernel space. Assuming the encoded kernel space is close enough to in-the-wild blur operators, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Phong Tran , Anh Tran , Quynh Phung , Minh Hoai

In contrast to current state-of-the-art methods, such as NSFP [25], which employ deep implicit neural functions for modeling scene flow, we present a novel approach that utilizes classical kernel representations. This representation enables…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xueqian Li , Simon Lucey

Photo-realistic free-viewpoint rendering of real-world scenes using classical computer graphics techniques is challenging, because it requires the difficult step of capturing detailed appearance and geometry models. Recent studies have…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Lingjie Liu , Jiatao Gu , Kyaw Zaw Lin , Tat-Seng Chua , Christian Theobalt

We address the problem of upsampling a low-resolution (LR) depth map using a registered high-resolution (HR) color image of the same scene. Previous methods based on convolutional neural networks (CNNs) combine nonlinear activations of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Beomjun Kim , Jean Ponce , Bumsub Ham

Implicit neural representations have emerged as a powerful tool in learning 3D geometry, offering unparalleled advantages over conventional representations like mesh-based methods. A common type of INR implicitly encodes a shape's boundary…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Shen Fan , Przemyslaw Musialski

Despite the effectiveness of Convolutional Neural Networks (CNNs) for image classification, our understanding of the relationship between shape of convolution kernels and learned representations is limited. In this work, we explore and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-30 Zhun Sun , Mete Ozay , Takayuki Okatani

Finite element methods typically require a high resolution to satisfactorily approximate micro and even macro patterns of an underlying physical model. This issue can be circumvented by appropriate multiscale strategies that are able to…

Numerical Analysis · Mathematics 2025-12-24 Zhi-Song Liu , Roland Maier , Andreas Rupp

Piecewise affine neural networks (PANNs) provide a principled geometric perspective on neural network expressivity by characterizing the input--output map as a continuous piecewise affine (CPA) function whose complexity is governed by the…

Machine Learning · Computer Science 2026-05-13 Yi Wei , Xuan Qi , Furao Shen , Jian Zhao , Vittorio Murino , Cigdem Beyan

As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Can Wang , Ruixiang Jiang , Menglei Chai , Mingming He , Dongdong Chen , Jing Liao

This paper proposes NeuralEditor that enables neural radiance fields (NeRFs) natively editable for general shape editing tasks. Despite their impressive results on novel-view synthesis, it remains a fundamental challenge for NeRFs to edit…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Jun-Kun Chen , Jipeng Lyu , Yu-Xiong Wang

This paper proposes a method to reconstruct the neural radiance field with equirectangular omnidirectional images. Implicit neural scene representation with a radiance field can reconstruct the 3D shape of a scene continuously within a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Qiaoge Li , Itsuki Ueda , Chun Xie , Hidehiko Shishido , Itaru Kitahara

Breast cancer is one of the common cancers that endanger the health of women globally. Accurate target lesion segmentation is essential for early clinical intervention and postoperative follow-up. Recently, many convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Gongping Chen , Lu Zhou , Jianxun Zhang , Xiaotao Yin , Liang Cui , Yu Dai

In this paper we introduce the deep kernelized autoencoder, a neural network model that allows an explicit approximation of (i) the mapping from an input space to an arbitrary, user-specified kernel space and (ii) the back-projection from…

Machine Learning · Statistics 2017-02-09 Michael Kampffmeyer , Sigurd Løkse , Filippo Maria Bianchi , Robert Jenssen , Lorenzo Livi

The task of shape space learning involves mapping a train set of shapes to and from a latent representation space with good generalization properties. Often, real-world collections of shapes have symmetries, which can be defined as…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Matan Atzmon , Koki Nagano , Sanja Fidler , Sameh Khamis , Yaron Lipman

In this paper, convolutional network coding is formulated by means of matrix power series representation of the local encoding kernel (LEK) matrices and global encoding kernel (GEK) matrices to establish its theoretical fundamentals for…

Information Theory · Computer Science 2011-09-15 Wangmei Guo , Ning Cai , Qifu Tyler Sun

We introduce the first learning-based dense matching algorithm, termed Equirectangular Projection-Oriented Dense Kernelized Feature Matching (EDM), specifically designed for omnidirectional images. Equirectangular projection (ERP) images,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Dongki Jung , Jaehoon Choi , Yonghan Lee , Somi Jeong , Taejae Lee , Dinesh Manocha , Suyong Yeon

The enduring inability of image generative models to recreate intricate geometric features, such as those present in human hands and fingers has been an ongoing problem in image generation for nearly a decade. While strides have been made…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Mehran Hosseini , Peyman Hosseini

This paper introduces a new approach based on a coupled representation and a neural volume optimization to implicitly perform 3D shape editing in latent space. This work has three innovations. First, we design the coupled neural shape (CNS)…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Jingyu Hu , Ka-Hei Hui , Zhengzhe Liu , Hao Zhang , Chi-Wing Fu

Electroencephalography (EEG) data present unique modeling challenges because recordings vary in length, exhibit very low signal to noise ratios, differ significantly across participants, drift over time within sessions, and are rarely…

Signal Processing · Electrical Eng. & Systems 2026-01-05 Shahar Ain Kedem , Itamar Zimerman , Eliya Nachmani

Neural Radiance Field (NeRF) is a representation for 3D reconstruction from multi-view images. Despite some recent work showing preliminary success in editing a reconstructed NeRF with diffusion prior, they remain struggling to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Chieh Hubert Lin , Changil Kim , Jia-Bin Huang , Qinbo Li , Chih-Yao Ma , Johannes Kopf , Ming-Hsuan Yang , Hung-Yu Tseng