Results 1 to 10 of about 9,191 (261)

Seeing Photographically and the Memory of Photography

open access: yesMedia Theory
“Seeing photographically” is an act of cultural memory. In an era of AI-generated images, screenshots, “disappearing” or “view once” photographs, and myriad other practices that challenge the definitional boundaries of photography, the phrase invokes ...
Paul Frosh
doaj   +2 more sources

Illumination-Based Color Reconstruction for the Dynamic Vision Sensor

open access: yesSensors, 2023
This work demonstrates a novel, state-of-the-art method to reconstruct colored images via the dynamic vision sensor (DVS). The DVS is an image sensor that indicates only a binary change in brightness, with no information about the captured wavelength ...
Khen Cohen   +4 more
doaj   +1 more source

Video Quality Assessment System Using Deep Optical Flow and Fourier Property

open access: yesIEEE Access, 2023
Ensuring superior video quality is essential in various fields such as VFX film production, digital signage, media facades, product advertising, and interactive media, as it directly elevates the viewer’s engagement and experience.
Donggoo Kang   +5 more
doaj   +1 more source

ISP Distillation

open access: yesIEEE Open Journal of Signal Processing, 2023
Nowadays, many of the images captured are ‘observed’ by machines only and not by humans, e.g., in autonomous systems. High-level machine vision models, such as object recognition or semantic segmentation, assume images are transformed into ...
Eli Schwartz   +2 more
doaj   +1 more source

Image Edge Detector with Gabor Type Filters Using a Spiking Neural Network of Biologically Inspired Neurons

open access: yesAlgorithms, 2020
We report the design of a Spiking Neural Network (SNN) edge detector with biologically inspired neurons that has a conceptual similarity with both Hodgkin-Huxley (HH) model neurons and Leaky Integrate-and-Fire (LIF) neurons.
Krishnamurthy V. Vemuru
doaj   +1 more source

The Dynamic Photometric Stereo Method Using a Multi-Tap CMOS Image Sensor

open access: yesSensors, 2018
The photometric stereo method enables estimation of surface normals from images that have been captured using different but known lighting directions. The classical photometric stereo method requires at least three images to determine the normals in a ...
Takuya Yoda   +5 more
doaj   +1 more source

Computational Tools for Stereo and Light Field Photography [PDF]

open access: yes, 2015
This thesis covers a broad part of the field of computational photography, including video stabilization and image warping techniques, introductions to light field photography and the conversion of monocular images and videos into stereoscopic 3D content.
Donatsch, Daniel
core   +1 more source

The Strange Case of Dame Mary May's tomb: The performative value of Reflectance Transformation Imaging and its use in deciphering the visual and biographical evidence of a late 17th-century portrait effigy

open access: yesInternet Archaeology, 2017
In 1676 Dame Mary May commissioned her tomb from John Bushnell, a famous Restoration sculptor, and placed it next to her pew in the chancel of St Nicholas' parish church, Mid-Lavant, West Sussex, where she worshipped until her death in 1681.
Jude Jones, Nicole Smith
doaj   +1 more source

Oxygen-saturation-related functional parameter as a biomarker for diabetes mellitus—extraction method and clinical validation

open access: yesFrontiers in Cell and Developmental Biology, 2023
Purpose: To develop a computational method for oxygen-saturation-related functional parameter analysis of retinal vessels based on traditional color fundus photography, and to explore their characteristic alterations in type 2 diabetes mellitus (DM ...
Jinze Zhang   +8 more
doaj   +1 more source

A New Record of Pre-Columbian Engravings in Urubici (SC), Brazil using Polynomial Texture Mapping

open access: yesInternet Archaeology, 2015
In this article we evaluate the application of Polynomial Texture Mapping (PTM), a technique within Reflectance Transformation Imaging (RTI), to a group of pre-Columbian rock art panels in southern Brazil.
Philip Riris, Rafael Corteletti
doaj   +1 more source

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