Results 21 to 30 of about 957,611 (288)

Single-Shot High Dynamic Range Imaging via Multiscale Convolutional Neural Network

open access: yesIEEE Access, 2021
We propose a single-shot high dynamic range (HDR) imaging algorithm with row-wise varying exposures in a single raw image based on a deep convolutional neural network (CNN). We first convert a raw Bayer input image into a radiance map by calibrating rows
An Gia Vien, Chul Lee
doaj   +1 more source

High-throughput high-dynamic range imaging by spatiotemporally structured illumination

open access: yesAPL Photonics, 2022
Recent advances in biochemistry and optics have enabled observation of the faintest signals from even single molecules. However, although biological samples can have varying degrees of fluorescence expression ranging from a single to thousands of ...
Taeseong Woo   +7 more
doaj   +1 more source

Thermal Imaging Metrology Using High Dynamic Range Near-Infrared Photovoltaic-Mode Camera

open access: yesSensors, 2021
The measurement of a wide temperature range in a scene requires hardware capable of high dynamic range imaging. We describe a novel near-infrared thermal imaging system operating at a wavelength of 940 nm based on a commercial photovoltaic mode high ...
Thomas B. O. Rockett   +3 more
doaj   +1 more source

High Dynamic Range Imaging Algorithm Based on L*a*b* Color Space [PDF]

open access: yesJisuanji gongcheng, 2018
In order to solve the problems of large computation and color distortion of high dynamic range imaging algorithm based on RGB color space,a high dynamic range imaging synthesis algorithm based on L*a*b* color space is proposed.A series of images with ...
ZHAO Jinbo,XIAO Zhao,BAI Bendu,FAN Jiulun
doaj   +1 more source

Speckle noise reduction techniques for high-dynamic range imaging [PDF]

open access: yes, 2007
High-dynamic range imaging from space in the visible, aiming in particular at the detection of terrestrial exoplanets, necessitates not only the use of a coronagraph, but also of adaptive optics to correct optical defects in real time.
Belikov   +23 more
core   +3 more sources

Supervised Image Segmentation for High Dynamic Range Imaging

open access: yes2023 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW), 2023
Regular cameras and cell phones are able to capture limited luminosity. Thus, in terms of quality, most of the produced images from such devices are not similar to the real world. They are overly dark or too bright, and the details are not perfectly visible. Various methods, which fall under the name of High Dynamic Range (HDR) Imaging, can be utilised
Omrani A, Moroni D
openaire   +3 more sources

High-Resolution ADCs Design in Image Sensors [PDF]

open access: yes, 2018
This paper presents design considerations for high-resolution and high-linearity ADCs for biomedical imaging ap-plications. The work discusses how to improve dynamic spec-ifications such as Spurious Free Dynamic Range (SFDR) and Signal-to-Noise-and ...
Cen, Yuanjun   +7 more
core   +1 more source

High‐dynamic range image generation from single low‐dynamic range image

open access: yesIET Image Processing, 2016
Due to the growing popularity of high‐dynamic range (HDR) image and the high complexity to capture HDR image, researchers focus on converting low‐dynamic range (LDR) content to HDR, which gives rise to a number of dynamic range expansion methods. Most of the existing methods try their best to tackle highlight areas during the expanding, however, in ...
Yang, Fan, Huo, Yongqing
openaire   +1 more source

Characterization for High Dynamic Range Imaging [PDF]

open access: yesComputer Graphics Forum, 2008
AbstractIn this paper we present a new practical camera characterization technique to improve color accuracy in high dynamic range (HDR) imaging. Camera characterization refers to the process of mapping device‐dependent signals, such as digital camera RAW images, into a well‐defined color space.
Kim, M.H., Kautz, J.
openaire   +2 more sources

Visualization of high dynamic range images [PDF]

open access: yesProceedings. International Conference on Image Processing, 2003
A novel paradigm for information visualization in high dynamic range images is presented in this paper. These images, real or synthetic, have luminance with typical ranges many orders of magnitude higher than that of standard output/viewing devices, thereby requiring some processing for their visualization.
Pardo, Alvaro, Sapiro, Guillermo
openaire   +3 more sources

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