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Neural time-series analysis has traditionally focused on modeling data in the time domain, often with some approaches incorporating equivalent Fourier domain representations as auxiliary spectral features. In this work, we shift the main…

机器学习 · 计算机科学 2024-10-08 Minjung Kim , Yusuke Hioka , Michael Witbrock

Functional Magnetic Resonance Imaging (fMRI) data is a widely used kind of four-dimensional biomedical data, which requires effective compression. However, fMRI compressing poses unique challenges due to its intricate temporal dynamics, low…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Ruoran Li , Runzhao Yang , Wenxin Xiang , Yuxiao Cheng , Tingxiong Xiao , Jinli Suo

Implicit neural representations (INRs) have arisen as useful methods for representing signals on Euclidean domains. By parameterizing an image as a multilayer perceptron (MLP) on Euclidean space, INRs effectively represent signals in a way…

信号处理 · 电气工程与系统科学 2023-10-03 T. Mitchell Roddenberry , Vishwanath Saragadam , Maarten V. de Hoop , Richard G. Baraniuk

This paper presents a lightweight algorithm for feature extraction, classification of seven different emotions, and facial expression recognition in a real-time manner based on static images of the human face. In this regard, a Multi-Layer…

计算机视觉与模式识别 · 计算机科学 2022-02-02 Mohammad Amin Haghpanah , Ehsan Saeedizade , Mehdi Tale Masouleh , Ahmad Kalhor

The topic of semantic segmentation has witnessed considerable progress due to the powerful features learned by convolutional neural networks (CNNs). The current leading approaches for semantic segmentation exploit shape information by…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jifeng Dai , Kaiming He , Jian Sun

We propose a new class of linear Transformers called FourierLearner-Transformers (FLTs), which incorporate a wide range of relative positional encoding mechanisms (RPEs). These include regular RPE techniques applied for sequential data, as…

Conditional masked language model (CMLM) training has proven successful for non-autoregressive and semi-autoregressive sequence generation tasks, such as machine translation. Given a trained CMLM, however, it is not clear what the best…

计算与语言 · 计算机科学 2020-10-21 Julia Kreutzer , George Foster , Colin Cherry

Referring image segmentation is a typical multi-modal task, which aims at generating a binary mask for referent described in given language expressions. Prior arts adopt a bimodal solution, taking images and languages as two modalities…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zizhang Li , Mengmeng Wang , Jianbiao Mei , Yong Liu

Neural volumetric representations have shown the potential that Multi-layer Perceptrons (MLPs) can be optimized with multi-view calibrated images to represent scene geometry and appearance, without explicit 3D supervision. Object…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Zhiwen Fan , Peihao Wang , Yifan Jiang , Xinyu Gong , Dejia Xu , Zhangyang Wang

This paper studies the 3D instance segmentation problem, which has a variety of real-world applications such as robotics and augmented reality. Since the surroundings of 3D objects are of high complexity, the separating of different objects…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Min Zhong , Xinghao Chen , Xiaokang Chen , Gang Zeng , Yunhe Wang

We present a novel explicit shape representation for instance segmentation. Based on how to model the object shape, current instance segmentation systems can be divided into two categories, implicit and explicit models. The implicit…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Tutian Tang , Wenqiang Xu , Ruolin Ye , Lixin Yang , Cewu Lu

Subject matching performance in iris biometrics is contingent upon fast, high-quality iris segmentation. In many cases, iris biometrics acquisition equipment takes a number of images in sequence and combines the segmentation and matching…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Jeffery Kinnison , Mateusz Trokielewicz , Camila Carballo , Adam Czajka , Walter Scheirer

Face analysis tasks have a wide range of applications, but the universal facial representation has only been explored in a few works. In this paper, we explore high-performance pre-training methods to boost the face analysis tasks such as…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Yue Wang , Jinlong Peng , Jiangning Zhang , Ran Yi , Liang Liu , Yabiao Wang , Chengjie Wang

Accurate segmentation of brain images from magnetic resonance imaging (MRI) scans plays a pivotal role in brain image analysis and the diagnosis of neurological disorders. Deep learning algorithms, particularly U-Net and U-Net++, are widely…

图像与视频处理 · 电气工程与系统科学 2026-03-20 Hanuman Verma , Kiho Im , Akshansh Gupta , M. Tanveer

Deep learning based facial expression recognition (FER) has received a lot of attention in the past few years. Most of the existing deep learning based FER methods do not consider domain knowledge well, which thereby fail to extract…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Yuedong Chen , Jianfeng Wang , Shikai Chen , Zhongchao Shi , Jianfei Cai

Fourier Ptychographic Microscopy (FPM) is a computational technique that achieves a large space-bandwidth product imaging. It addresses the challenge of balancing a large field of view and high resolution by fusing information from multiple…

光学 · 物理学 2023-04-21 Ruiqing Sun , Delong Yang , Yao Hu , Qun Hao , Xin Li , Shaohui Zhang

Image deraining aims to remove rain streaks from rainy images and restore clear backgrounds. Currently, some research that employs the Fourier transform has proved to be effective for image deraining, due to it acting as an effective…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Dong Li , Yidi Liu , Xueyang Fu , Senyan Xu , Zheng-Jun Zha

Decoding visual stimuli from neural responses recorded by functional Magnetic Resonance Imaging (fMRI) presents an intriguing intersection between cognitive neuroscience and machine learning, promising advancements in understanding human…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Jingyuan Sun , Mingxiao Li , Zijiao Chen , Yunhao Zhang , Shaonan Wang , Marie-Francine Moens

Face recognition under ideal conditions is now considered a well-solved problem with advances in deep learning. Recognizing faces under occlusion, however, still remains a challenge. Existing techniques often fail to recognize faces with…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Shaozhe Hao , Chaofeng Chen , Zhenfang Chen , Kwan-Yee K. Wong

Segmentation of anatomical shapes from medical images has taken an important role in the automation of clinical measurements. While typical deep-learning segmentation approaches are performed on discrete voxels, the underlying objects being…

图像与视频处理 · 电气工程与系统科学 2023-09-19 Nil Stolt-Ansó , Julian McGinnis , Jiazhen Pan , Kerstin Hammernik , Daniel Rueckert