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Deepfake is the manipulated video made with a generative deep learning technique such as Generative Adversarial Networks (GANs) or Auto Encoder that anyone can utilize. Recently, with the increase of Deepfake videos, some classifiers…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Young-Jin Heo , Young-Ju Choi , Young-Woon Lee , Byung-Gyu Kim

Fluorescence microscopy has enabled a dramatic development in modern biology by visualizing biological organisms with micrometer scale resolution. However, due to the diffraction limit, sub-micron/nanometer features are difficult to…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 Varun Mannam , Yide Zhang , Xiaotong Yuan , Scott Howard

The rise of deepfake images, especially of well-known personalities, poses a serious threat to the dissemination of authentic information. To tackle this, we present a thorough investigation into how deepfakes are produced and how they can…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Haixu Song , Shiyu Huang , Yinpeng Dong , Wei-Wei Tu

Focus stacking is widely used in micro, macro, and landscape photography to reconstruct all-in-focus images from multiple frames obtained with focus bracketing, that is, with shallow depth of field and different focus planes. Existing deep…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Alexandre Araujo , Jean Ponce , Julien Mairal

Deep learning models extract, before a final classification layer, features or patterns which are key for their unprecedented advantageous performance. However, the process of complex nonlinear feature extraction is not well understood, a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Roozbeh Yousefzadeh , Furong Huang

As neural networks become able to generate realistic artificial images, they have the potential to improve movies, music, video games and make the internet an even more creative and inspiring place. Yet, the latest technology potentially…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Moritz Wolter , Felix Blanke , Raoul Heese , Jochen Garcke

The detection of manufacturing errors is crucial in fabrication processes to ensure product quality and safety standards. Since many defects occur very rarely and their characteristics are mostly unknown a priori, their detection is still…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Marco Rudolph , Bastian Wandt , Bodo Rosenhahn

The generation of protein crystals is necessary for the study of protein molecular function and structure. This is done empirically by processing large numbers of crystallization trials and inspecting them regularly in search of those with…

Computer Vision and Pattern Recognition · Computer Science 2018-05-15 Soheil Ghafurian , Peter Orth , Corey Strickland , Hua Su , Sangita Patel , Steven Soisson , Belma Dogdas

During the last few years, serial electron crystallography (Serial Electron Diffraction, SerialED) has been gaining attention for the structure determination of crystalline compounds that are sensitive to the irradiation of the electron…

Materials Science · Physics 2025-07-29 Sergi Plana-Ruiz , Penghan Lu , Govind Ummethala , Rafal Dunin-Borkowski

Most dataset distillation methods struggle to accommodate large-scale datasets due to their substantial computational and memory requirements. Recent research has begun to explore scalable disentanglement methods. However, there are still…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Zhiheng Ma , Anjia Cao , Funing Yang , Yihong Gong , Xing Wei

Clustering is a class of unsupervised learning methods that has been extensively applied and studied in computer vision. Little work has been done to adapt it to the end-to-end training of visual features on large scale datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Mathilde Caron , Piotr Bojanowski , Armand Joulin , Matthijs Douze

In this paper we propose a novel framework for learning local image descriptors in a discriminative manner. For this purpose we explore a siamese architecture of Deep Convolutional Neural Networks (CNN), with a Hinge embedding loss on the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-27 Edgar Simo-Serra , Eduard Trulls , Luis Ferraz , Iasonas Kokkinos , Francesc Moreno-Noguer

Creative sketch is a universal way of visual expression, but translating images from an abstract sketch is very challenging. Traditionally, creating a deep learning model for sketch-to-image synthesis needs to overcome the distorted input…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Qiang Wang , Di Kong , Fengyin Lin , Yonggang Qi

To assist in the development of machine learning methods for automated classification of spectroscopic data, we have generated a universal synthetic dataset that can be used for model validation. This dataset contains artificial spectra…

Machine Learning · Computer Science 2022-06-15 Jan Schuetzke , Nathan J. Szymanski , Markus Reischl

Dataset distillation aims to distill the knowledge of a large-scale real dataset into small yet informative synthetic data such that a model trained on it performs as well as a model trained on the full dataset. Despite recent progress,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Ahmad Sajedi , Samir Khaki , Lucy Z. Liu , Ehsan Amjadian , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

We present here a real-time analysis of diffraction images acquired at high frame-rate (925 Hz) and its application to macromolecular serial crystallography. The software uses a new signal separation algorithm, able to distinguish the…

The task of dataset distillation aims to find a small set of synthetic images such that training a model on them reproduces the performance of the same model trained on a much larger dataset of real samples. Existing distillation methods…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 George Cazenavette , Antonio Torralba , Vincent Sitzmann

As font is one of the core design concepts, automatic font identification and similar font suggestion from an image or photo has been on the wish list of many designers. We study the Visual Font Recognition (VFR) problem, and advance the…

Computer Vision and Pattern Recognition · Computer Science 2015-07-14 Zhangyang Wang , Jianchao Yang , Hailin Jin , Eli Shechtman , Aseem Agarwala , Jonathan Brandt , Thomas S. Huang

We propose a network for Congested Scene Recognition called CSRNet to provide a data-driven and deep learning method that can understand highly congested scenes and perform accurate count estimation as well as present high-quality density…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Yuhong Li , Xiaofan Zhang , Deming Chen

We present a novel adaptive machine-learning based approach for reconstructing three-dimensional (3D) crystals from coherent diffraction imaging (CDI). We represent the crystals using spherical harmonics (SH) and generate corresponding…

Computational Physics · Physics 2020-12-02 Alexander Scheinker , Reeju Pokharel