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The recovery of severely damaged ancient written documents has proven to be a major challenge for many scientists, mainly due to the impracticality of physical unwrapping them. Non-destructive techniques, such as X-ray computed tomography…

Image and Video Processing · Electrical Eng. & Systems 2025-05-05 Sonia Foschiatti , Axel Kittenberger , Otmar Scherzer

After the first recent attempts at virtually opening and reading Herculaneum papyri, a new enhanced method for virtual unfolding and peeling of ancient unopened papyrus rolls has been developed. This new algorithms-based and semi-automatic…

Instrumentation and Detectors · Physics 2017-06-30 Inna Bukreeva , Michele Alessandrelli , Vincenzo Formoso , Graziano Ranocchia , Alessia Cedola

We present ENTED, a new framework for blind face restoration that aims to restore high-quality and realistic portrait images. Our method involves repairing a single degraded input image using a high-quality reference image. We utilize a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Yuen-Fui Lau , Tianjia Zhang , Zhefan Rao , Qifeng Chen

The Herculaneum Papyri are a collection of rolled papyrus documents that were charred and buried by the famous eruption of Mount Vesuvius. They promise to contain a wealth of previously unseen Greek and Latin texts, but are extremely…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Paul Henderson

Quantitative phase imaging (QPI) is an emerging label-free technique that produces images containing morphological and dynamical information without contrast agents. Unfortunately, the phase is wrapped in most imaging system. Phase…

Image and Video Processing · Electrical Eng. & Systems 2021-09-01 Fangshu Yang , Thanh-an Pham , Nathalie Brandenberg , Matthias P. Lutolf , Jianwei Ma , Michael Unser

The traditional mode of recording faults in heavy factory equipment has been via hand marked inspection sheets, wherein a machine engineer manually marks the faulty machine regions on a paper outline of the machine. Over the years, millions…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Rohit Rahul , Arindam Chowdhury , Animesh , Samarth Mittal , Lovekesh Vig

Electron tomography is becoming an increasingly important tool in materials science for studying the three-dimensional morphologies and chemical compositions of nanostructures. The image quality obtained by many current algorithms is…

The recent Artificial Intelligence (AI) revolution has opened transformative possibilities for the humanities, particularly in unlocking the visual-artistic content embedded in historical illuminated manuscripts. While digital archives now…

Information Retrieval · Computer Science 2026-01-13 Yoav Evron , Michal Bar-Asher Siegal , Michael Fire

Digital ink promises to combine the flexibility and aesthetics of handwriting and the ability to process, search and edit digital text. Character recognition converts handwritten text into a digital representation, albeit at the cost of…

Human-Computer Interaction · Computer Science 2018-01-26 Emre Aksan , Fabrizio Pece , Otmar Hilliges

Thin films or sheets subjected to external forces often undergo mechanical instability, leading to regular patterns of wrinkles, folds, and creases. As can be anticipated from the difficulty of flattening a curved globe, any natural…

Pattern Formation and Solitons · Physics 2025-02-13 Megha Emerse , Lucas Goehring

We present a complete software pipeline for revealing the hidden texts of the Herculaneum papyri using X-ray CT images. This enhanced virtual unwrapping pipeline combines machine learning with a novel geometric framework linking 3D and 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Stephen Parsons , C. Seth Parker , Christy Chapman , Mami Hayashida , W. Brent Seales

GAN inversion aims to invert an input image into the latent space of a pre-trained GAN. Despite the recent advances in GAN inversion, there remain challenges to mitigate the tradeoff between distortion and editability, i.e. reconstructing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Xudong Mao , Liujuan Cao , Aurele T. Gnanha , Zhenguo Yang , Qing Li , Rongrong Ji

A new algorithm is presented for simulating volume-controlled invasion of a non-wetting phase into voxel images. This method is complementary to the traditional morphological image opening method which mimics pressure-based invasion. A key…

Fluid Dynamics · Physics 2021-11-17 Jeff T Gostick , Jianhui Yang , Edo S Boek

The practical strength of oxide glasses is greatly reduced by surface flaws that form during processing and use. Instrumented indentation can mimic such real-life damage events and induce flaws and cracking under controlled conditions. At…

Text embeddings are central to modern information retrieval and Retrieval-Augmented Generation (RAG). While dense models derived from Large Language Models (LLMs) dominate current practice, recent work has explored quantum-inspired…

Information Retrieval · Computer Science 2026-04-14 Dario Maio

In this paper, a novel QR decomposition-based compression scheme is combined with a volume integral equations method for the fast and efficient numerical computation of the scattering of electromagnetic fields from large scale metasurfaces,…

Visual analysis and reconstruction of pipeline inner walls remain challenging in industrial inspection scenarios. This paper presents a dedicated reconstruction system for pipeline inner walls via industrial endoscopes, which is built on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Rui Ma , Yifeng Wang , Ziteng Yang , Jing Guo , Naomi Imali Okanda , Xinghui Li

Optical imaging through turbid or heterogeneous environments (collectively referred to as complex media) is fundamentally challenged by scattering, which scrambles structured spatial and phase information. To address this, we propose a…

This paper is concerned with the inverse time-harmonic elastic scattering problem of recovering unbounded rough surfaces in two dimensions. We assume that elastic plane waves with different directions are incident onto a rigid rough surface…

Numerical Analysis · Mathematics 2018-04-09 Guanghui Hu , Xiaoli Liu , Bo Zhang , Haiwen Zhang

Recent advancements in Digital Document Restoration (DDR) have led to significant breakthroughs in analyzing highly damaged written artifacts. Among those, there has been an increasing interest in applying Artificial Intelligence techniques…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Fabio Quattrini , Vittorio Pippi , Silvia Cascianelli , Rita Cucchiara
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