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Precise hyperacuity estimation of spike timing from calcium imaging
[article]
2019
bioRxiv
pre-print
Preserved Fulltext
Furthermore, the benchmark analysis of experimental data from different brain regions and simulation of a broader range of experimental conditions showed that our algorithm was among the best in a class ...
First, Bayesian inference estimates the calcium spike model by assuming the constancy of the spike shape and size. ...
cortex data during burst activities. ...
doi:10.1101/790600
fatcat:2ihgamh4bjcntpmbrrldpinsga
Self-adaptive Single and Multi-illuminant Estimation Framework based on Deep Learning
[article]
2019
arXiv
pre-print
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Illuminant estimation plays a key role in digital camera pipeline system, it aims at reducing color casting effect due to the influence of non-white illuminant. ...
We outperform the state-of-the-art methods on standard benchmarks with the largest relative improvement of 16%. ...
For example, "U-net" structure for image segmentation [31] , image to image pixel wise translation [22] , image denoising from a burst of input images [28] . ...
arXiv:1902.04705v1
fatcat:icgkfnzyzrd35ajmqmgmx3bxum
Time Lens: Event-based Video Frame Interpolation
2021
2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
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indicates equal contribution Time Lens, a novel method that leverages the advantages of both. ...
We extensively evaluate our method on three synthetic and two real benchmarks where we show an up to 5.21 dB improvement in terms of PSNR over state-of-the-art frame-based and event-based methods. ...
Color indicates if a method works with color frames. For SSIM and PSNR we show mean and one standard deviation. ...
doi:10.1109/cvpr46437.2021.01589
fatcat:adohqhvdvjbbpchbbgsvs2mkqa
Burst photography for high dynamic range and low-light imaging on mobile cameras
2016
ACM Transactions on Graphics
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a mobile camera and used as a substitute for the conventional pipeline in almost all circumstances. ...
A comparison of a conventional camera pipeline (left, middle) and our burst photography pipeline (right) running on the same cell-phone camera. ...
A key enabling technology for our approach is the ability to request a specific exposure time and gain for each frame in a burst. ...
doi:10.1145/2980179.2980254
fatcat:osxcads45vdvniilgub7fkr6pq
DSP implementation of the retinex image enhancement algorithm
2004
Visual Information Processing XIII
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It performs a non-linear spatial/spectral transform that synthesizes strong local contrast enhancement and color constancy. ...
NTSC video is captured using a dedicated frame-grabber card, Retinex processed, and displayed on a standard monitor. ...
The authors would also like to thank Andrew Nesterov for his ideas on managing interrupts. ...
doi:10.1117/12.544500
dblp:conf/spieVIP/HinesRJW04
fatcat:yr4jhnifmneppfzdhpuxuaol74
Table of contents
2020
IEEE Transactions on Image Processing
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Murala 628 Burst Ranking for Blind Multi-Image Deblurring ...................................................... F. A. ...
Wang 6396 Color Constancy by Reweighting Image Feature Maps ........................................... J. Qiu, H. Xu, and Z. ...
doi:10.1109/tip.2019.2940373
fatcat:i7hktzn4wrfz5dhq7hj75u6esa
Performance on Image Segmentation Resulting In Canny and MoG
2012
IOSR Journal of Computer Engineering
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Color constancy methods are largely dependent on the distribution of colors and color edges in an image. Natural image statistics and scene semantics are used in the color consistency methods. ...
Integrated feature weight is assigned for the images to perform the learning process. The MoG algorithm is enhanced with combined feature weight model. ...
He Presented a Paper in National conferences. He is a Life member of Computer Society of India and a Life member of Indian Society for Technical Education. ...
doi:10.9790/0661-0620108
fatcat:vq7mo32nybdm5m5a5ef7aqhbky
FTSPlot: Fast Time Series Visualization for Large Datasets
2014
PLoS ONE
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The presented software is freely available and can be included as a Qt GUI component in future software projects, providing a standard visualization method for long-term electrophysiological experiments ...
A demonstration prototype has been implemented and benchmarks show that the technology is capable of displaying large amounts of time series data, event, and interval annotations lag-free with v20 ms. ...
Acknowledgments I extend my heartfelt gratitude to Ling Wang and the reviewers for their suggestions on how to improve the manuscript. ...
doi:10.1371/journal.pone.0094694
pmid:24732865
pmcid:PMC3986407
fatcat:zp7gee5mdzafvlk7zusu7g6nkm
National Scale Surface Deformation Time Series Generation through Advanced DInSAR Processing of Sentinel-1 Data within a Cloud Computing Environment
2018
IEEE Transactions on Big Data
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We present an automatic pipeline implemented within the Amazon Web Services (AWS) Cloud Computing platform for the interferometric processing of large Sentinel-1 (S1) multi-temporal SAR datasets, aimed ...
approach referred to as Small BAseline Subset (SBAS) technique, which allows producing, with centimeter to millimeter accuracy, surface deformation time series and the corresponding mean velocity maps from a ...
ACKNOWLEDGMENTS This work was supported by the Italian Civil Defense Protection Department, the ESA's GEP project, the EPOS-IP project of the European Union Horizon 2020 for research and innovation program ...
doi:10.1109/tbdata.2018.2863558
fatcat:o24zdhhthrgtjg3lawmx2dnw4m
Exposure Stacks of Live Scenes with Hand-Held Cameras
[chapter]
2012
Lecture Notes in Computer Science
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In a typical scenario the camera is hand-held and is therefore prone to moving during the capture of an image burst, while the scene is likely to contain moving objects. ...
Our approach warps and modifies the content of the images in the stack to match that of a reference image. ...
a case, it is an important benchmark and allows to illustrate some strengths of the proposed approach. ...
doi:10.1007/978-3-642-33718-5_36
fatcat:mzyafufldrh77mmxpbor5dsekq
Intermodal and Subwavelength Energy Trapping in Nonlinear Metamaterial Waveguides
2018
Physical Review Applied
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Finally a detailed scan of selected cells highlights a strong and persistent axial activation of the resonators which displays subwavelength deformation features that are unattainable, for the axial mode ...
, by exciting at the same frequency in a linear regime. ...
Zhang for the many useful discussions and their assistance during the initial stage of the experiments. ...
doi:10.1103/physrevapplied.10.024006
fatcat:7jaly4gcijbajenlcrrtiqohga
Colors of Luminous Bulges in Cluster MS 1054-03 and Field Galaxies at Redshiftsz ~ 0.83
2005
Astrophysical Journal
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Moreover, these very red colors appear to be independent of environment, pbulge luminosity, pdisk color, and pbulge fraction. ...
Our key finding is that luminous pbulges are very red with restframe U-B ~ 0.45, while predicted colors are bluer by 0.20 mag. ...
We thank A. Metevier, J. Harker, G. Illingworth, P. van Dokkum, and K. Gebhardt for their help and useful discussions and two anonymous referees for constructive criticisms. ...
doi:10.1086/498707
fatcat:w3zzzljfrrczxpibfhpdlvzsvi
Measuring the end-to-end performance of digital video systems
1997
IEEE transactions on broadcasting
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Telecommunications -Digital Transport of One-Way Video Signals -Parameters for Objective Performance Assessment." ...
The parameters are technology-independent and may be used to measure the performance of a wide range of digital video compression, storage, and transmission systems. ...
Traditional performance parameters have relied on the "constancy" of a video system's performance for different input scenes. ...
doi:10.1109/11.632940
fatcat:ajxxegaf4ra3rmcsuec7urpxtq
Image color correction, enhancement, and editing
[article]
2021
arXiv
pre-print
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Afterward, we discuss another scenario of correcting and editing image colors, where we present a set of methods to correct and edit WB settings for images that have been improperly white-balanced by the ...
As white balance (WB) is one of the major procedures applied by the ISP for color correction, this thesis presents two different methods for ISP white balancing. ...
We then presented a survey of prior work for color constancy, enhancement, and editing in Chapter 3. ...
arXiv:2107.13117v1
fatcat:uf6qv7iux5hqxmgxxb4olvvtzy
Time-Warp–Invariant Neuronal Processing
2009
PLoS Biology
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on a standard benchmark speech-recognition task. ...
We propose a novel spike-based learning rule for synaptic conductances that adjusts the degree of synaptic shunting to the temporal processing requirements of a given task. ...
We tested this model on a digit-recognition benchmark task with the TI46 database [24] . ...
doi:10.1371/journal.pbio.1000141
pmid:19582146
pmcid:PMC2701607
fatcat:bubejt5bxbcjrcufyrmexoo2k4
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