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Image spam emails are often used to evade text-based spam filters that detect spam emails with their frequently used keywords. In this paper, we propose a new image spam email detection tool called DeepCapture using a convolutional neural…

机器学习 · 计算机科学 2020-06-17 Bedeuro Kim , Sharif Abuadbba , Hyoungshick Kim

To understand possible strategies of temporal spike coding in the central nervous system, we study functional neuromimetic models of visual processing for static images. We will first present the retinal model which was introduced by Van…

神经元与认知 · 定量生物学 2007-05-23 Laurent Perrinet , Manuel Samuelides , Simon Thorpe

Image synthesis and image-to-image translation are two important generative learning tasks. Remarkable progress has been made by learning Generative Adversarial Networks (GANs)~\cite{goodfellow2014generative} and cycle-consistent GANs…

计算机视觉与模式识别 · 计算机科学 2019-01-21 Wei Sun , Tianfu Wu

We study image segmentation using spatiotemporal dynamics in a recurrent neural network where the state of each unit is given by a complex number. We show that this network generates sophisticated spatiotemporal dynamics that can…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Luisa H. B. Liboni , Roberto C. Budzinski , Alexandra N. Busch , Sindy Löwe , Thomas A. Keller , Max Welling , Lyle E. Muller

A fully bio-inspired apparatus to perform non-spectroscopic sensing to discriminate, and determine the constituent concentrations of a chemical mixture is proposed. Here, fully bio-inspired means that it is comprised of a biomimetic sensor…

光学 · 物理学 2022-02-28 Gleb Anufriev , Mark Farries , David Furniss , Sendy Phang

Semantic segmentation, which refers to pixel-wise classification of an image, is a fundamental topic in computer vision owing to its growing importance in robot vision and autonomous driving industries. It provides rich information about…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Khwaja Monib Sediqi , Hyo Jong Lee

We propose a method to reduce non-uniform sample variance to a predetermined target level. The proposed space-variant filter can equalize variance of the non-stationary signal, or vary filtering strength based on image features, such as…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Alexander Zamyatin

Denoising Diffusion Probabilistic Models (DDPMs) have achieved remarkable success in various image generation tasks compared with Generative Adversarial Nets (GANs). Recent work on semantic image synthesis mainly follows the de facto…

计算机视觉与模式识别 · 计算机科学 2026-01-22 Wengang Zhou , Weilun Wang , Jianmin Bao , Dongdong Chen , Dong Chen , Lu Yuan , Houqiang Li

Many materials have distinct spectral profiles. This facilitates estimation of the material composition of a scene at each pixel by first acquiring its hyperspectral image, and subsequently filtering it using a bank of spectral profiles.…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Vishwanath Saragadam , Aswin C. Sankaranarayanan

This paper proposes an efficient unsupervised method for detecting relevant changes between two temporally different images of the same scene. A convolutional neural network (CNN) for semantic segmentation is implemented to extract…

神经与进化计算 · 计算机科学 2019-03-22 Kevin Louis de Jong , Anna Sergeevna Bosman

Arbitrary text appearance poses a great challenge in scene text recognition tasks. Existing works mostly handle with the problem in consideration of the shape distortion, including perspective distortions, line curvature or other style…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Chengwei Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Fei Wu , Futai Zou

Most deep learning-based multi-channel speech enhancement methods focus on designing a set of beamforming coefficients to directly filter the low signal-to-noise ratio signals received by microphones, which hinders the performance of these…

声音 · 计算机科学 2022-02-08 Wenzhe Liu , Andong Li , Chengshi Zheng , Xiaodong Li

Segmentation of retinal vessel images is critical to the diagnosis of retinopathy. Recently, convolutional neural networks have shown significant ability to extract the blood vessel structure. However, it remains challenging to refined…

图像与视频处理 · 电气工程与系统科学 2022-02-22 Geng-Xin Xu , Chuan-Xian Ren

Sparse representation has attracted great attention because it can greatly save storage resources and find representative features of data in a low-dimensional space. As a result, it may be widely applied in engineering domains including…

神经与进化计算 · 计算机科学 2022-11-09 Chunming Jiang , Yilei Zhang

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

图像与视频处理 · 电气工程与系统科学 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

Structured illumination enables the tailoring of an imaging device's optical transfer function to enhance resolution. We propose the incorporation of a temporal periodic modulation, specifically a rotating mask, to encode multiple transfer…

光学 · 物理学 2023-06-27 Guillaume Noetinger , Fabrice Lemoult , Sébastien M. Popoff

Text-guided non-rigid editing involves complex edits for input images, such as changing motion or compositions within their surroundings. Since it requires manipulating the input structure, existing methods often struggle with preserving…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Yunji Jung , Seokju Lee , Tair Djanibekov , Hyunjung Shim , Jong Chul Ye

The human visual system is capable of processing continuous streams of visual information, but how the brain encodes and retrieves recent visual memories during continuous visual processing remains unexplored. This study investigates the…

计算与语言 · 计算机科学 2024-10-01 Runze Xia , Congchi Yin , Piji Li

A long-standing topic in artificial intelligence is the effective recognition of patterns from noisy images. In this regard, the recent data-driven paradigm considers 1) improving the representation robustness by adding noisy samples in…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Shuren Qi , Yushu Zhang , Chao Wang , Tao Xiang , Xiaochun Cao , Yong Xiang

Scanning Transmission Electron Microscopy (STEM) has become the main stay for materials characterization on atomic level, with applications ranging from visualization of localized and extended defects to mapping order parameter fields. In…

仪器与探测器 · 物理学 2019-01-15 Xin Li , Ondrej Dyck , Sergei V. Kalinin , Stephen Jesse