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Related papers: FourierMask: Instance Segmentation using Fourier M…

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We present FourierNet, a single shot, anchor-free, fully convolutional instance segmentation method that predicts a shape vector. Consequently, this shape vector is converted into the masks' contour points using a fast numerical transform.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Hamd ul Moqeet Riaz , Nuri Benbarka , Andreas Zell

Implicit Neural Representations (INRs) employ neural networks to represent continuous functions by mapping coordinates to the corresponding values of the target function, with applications e.g., inverse graphics. However, INRs face a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Mingze Ma , Qingtian Zhu , Yifan Zhan , Zhengwei Yin , Hongjun Wang , Yinqiang Zheng

Existing approaches to Implicit Neural Representation (INR) can be interpreted as a global scene representation via a linear combination of Fourier bases of different frequencies. However, such universal basis functions can limit the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jason Chun Lok Li , Chang Liu , Binxiao Huang , Ngai Wong

We show that passing input points through a simple Fourier feature mapping enables a multilayer perceptron (MLP) to learn high-frequency functions in low-dimensional problem domains. These results shed light on recent advances in computer…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Matthew Tancik , Pratul P. Srinivasan , Ben Mildenhall , Sara Fridovich-Keil , Nithin Raghavan , Utkarsh Singhal , Ravi Ramamoorthi , Jonathan T. Barron , Ren Ng

Implicit Neural Representations (INR) use multilayer perceptrons to represent high-frequency functions in low-dimensional problem domains. Recently these representations achieved state-of-the-art results on tasks related to complex 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Nuri Benbarka , Timon Höfer , Hamd ul-moqeet Riaz , Andreas Zell

Implicit neural representations (INRs) have emerged as powerful tools for encoding signals, yet dominant MLP-based designs often suffer from slow convergence, overfitting to noise, and poor extrapolation. We introduce FUTON (Fourier Tensor…

Image and Video Processing · Electrical Eng. & Systems 2026-02-17 Pooya Ashtari , Pourya Behmandpoor , Nikos Deligiannis , Aleksandra Pizurica

The representative instance segmentation methods mostly segment different object instances with a mask of the fixed resolution, e.g., 28*28 grid. However, a low-resolution mask loses rich details, while a high-resolution mask incurs…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Ruihuang Li , Chenhang He , Shuai Li , Yabin Zhang , Lei Zhang

The integration of Fourier transform and deep learning opens new avenues for time series forecasting. We reconsider the Fourier transform from a basis functions perspective. Specifically, the real and imaginary parts of the frequency…

Machine Learning · Computer Science 2025-08-05 Runze Yang , Longbing Cao , Xin You , Kun Fang , Jianxun Li , Jie Yang

The research community has witnessed the powerful potential of self-supervised Masked Image Modeling (MIM), which enables the models capable of learning visual representation from unlabeled data. In this paper, to incorporate both the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Wenxuan Wang , Jing Wang , Chen Chen , Jianbo Jiao , Yuanxiu Cai , Shanshan Song , Jiangyun Li

We propose a novel implicit feature refinement module for high-quality instance segmentation. Existing image/video instance segmentation methods rely on explicitly stacked convolutions to refine instance features before the final…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Lufan Ma , Tiancai Wang , Bin Dong , Jiangpeng Yan , Xiu Li , Xiangyu Zhang

In this work, we present a new operator, called Instance Mask Projection (IMP), which projects a predicted Instance Segmentation as a new feature for semantic segmentation. It also supports back propagation so is trainable end-to-end. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Cheng-Yang Fu , Tamara L. Berg , Alexander C. Berg

We present Masked Frequency Modeling (MFM), a unified frequency-domain-based approach for self-supervised pre-training of visual models. Instead of randomly inserting mask tokens to the input embeddings in the spatial domain, in this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Jiahao Xie , Wei Li , Xiaohang Zhan , Ziwei Liu , Yew Soon Ong , Chen Change Loy

Although instance segmentation has made considerable advancement over recent years, it's still a challenge to design high accuracy algorithms with real-time performance. In this paper, we propose a real-time instance segmentation framework…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Wentao Du , Zhiyu Xiang , Shuya Chen , Chengyu Qiao , Yiman Chen , Tingming Bai

Low level features like edges and textures play an important role in accurately localizing instances in neural networks. In this paper, we propose an architecture which improves feature pyramid networks commonly used instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Yongqing Sun , Pranav Shenoy K P , Jun Shimamura , Atsushi Sagata

Fourier-encoded implicit neural representations (INRs) have shown strong capability in modeling continuous signals from discrete samples. However, conventional Fourier feature mappings use a fixed set of frequencies over the entire spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Ligen Shi , Jun Qiu , Yuhang Zheng , Zengyu Pang , Chang Liu

We tackle the problem of learning an implicit scene representation for 3D instance segmentation from a sequence of posed RGB images. Towards this, we introduce 3DIML, a novel framework that efficiently learns a neural label field which can…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 George Tang , Krishna Murthy Jatavallabhula , Antonio Torralba

Face parsing is defined as the per-pixel labeling of images containing human faces. The labels are defined to identify key facial regions like eyes, lips, nose, hair, etc. In this work, we make use of the structural consistency of the human…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Mausoom Sarkar , Nikitha SR , Mayur Hemani , Rishabh Jain , Balaji Krishnamurthy

Instance segmentation aims to detect and segment individual objects in a scene. Most existing methods rely on precise mask annotations of every category. However, it is difficult and costly to segment objects in novel categories because a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Weicheng Kuo , Anelia Angelova , Jitendra Malik , Tsung-Yi Lin

Two-stage and query-based instance segmentation methods have achieved remarkable results. However, their segmented masks are still very coarse. In this paper, we present Mask Transfiner for high-quality and efficient instance segmentation.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Lei Ke , Martin Danelljan , Xia Li , Yu-Wing Tai , Chi-Keung Tang , Fisher Yu

This paper presents one of the first learning-based NeRF 3D instance segmentation pipelines, dubbed as Instance Neural Radiance Field, or Instance NeRF. Taking a NeRF pretrained from multi-view RGB images as input, Instance NeRF can learn…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yichen Liu , Benran Hu , Junkai Huang , Yu-Wing Tai , Chi-Keung Tang
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