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Handheld Multi-Frame Super-Resolution
[article]
2019
pre-print
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We harness natural hand tremor, typical in handheld photography, to acquire a burst of raw frames with small offsets. ...
In this paper, we supplant the use of traditional demosaicing in single-frame and burst photography pipelines with a multiframe super-resolution algorithm that creates a complete RGB image directly from ...
Integration of our algorithm with the Google Camera App as Super-Res Zoom and Night Sight mode was facilitated with generous help from the Android camera team. ...
doi:10.1145/3306346.3323024
arXiv:1905.03277v1
fatcat:4r6hyu3nbjex7oqpytcd6i3fea
Super-Resolution Stereo- and Multi-View Synthesis from Monocular Video Sequences
2007
3-D Digital Imaging and Modeling
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This paper presents a new approach for generation of super-resolution stereoscopic and multi-view video from monocular video. ...
Finally, some simulation results will show that RSVS is quite suitable for super-resolution 2D-3D conversion. ...
h), j) close-up of the super-resolution frame. ...
doi:10.1109/3dim.2007.54
dblp:conf/3dim/KnorrKS07
fatcat:rqaxsoyulredxar7zs5rpnluyi
Stereoscopic 3D from 2D video with super-resolution capability
2008
Signal processing. Image communication
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This paper presents a new approach for generation of super-resolution stereoscopic and multi-view video from monocular video. ...
Index Terms-stereoscopic imaging, 2D/3D conversion, structure-from-motion, super-resolution stereo, image-based rendering ...
Fig. 6 . 6 Super-resolution stereo-/multi-view synthesis Fig. 7. ...
doi:10.1016/j.image.2008.07.004
fatcat:ptixqc5nkzhsvcvuuovrbomxx4
Video Deblurring and Super-Resolution Technique for Multiple Moving Objects
[chapter]
2011
Lecture Notes in Computer Science
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In this paper, we propose a method to restore a sharp and highresolution image from a video sequence by motion deblur for each frame followed by super-resolution technique. ...
For better result, we also propose an adaptive super-resolution technique considering different defocus blur effects dependent on depth. ...
Super-Resolution Technique for Multiple Depth We adopt a multi-frame super-resolution technique to restore both low-resolution and defocus blur. ...
doi:10.1007/978-3-642-19282-1_11
fatcat:soktlbuo4fhdvoishnfo2ltycq
Interactive multi-frame reconstruction for mobile devices
2012
Multimedia tools and applications
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In this paper we consider building mosaic images of printed documents and natural scenes from low resolution video frames. ...
The small size of handheld devices, their video capabilities and multiple cameras, are under-exploited assets. ...
Multiframe reconstruction techniques can be included in several applications such as scene panorama imaging, handheld document scanning, context recognition, high dynamic range composition, super resolution ...
doi:10.1007/s11042-012-1252-4
fatcat:otfhxge4evdspimkddvv2necmy
BSRT: Improving Burst Super-Resolution with Swin Transformer and Flow-Guided Deformable Alignment
[article]
2022
arXiv
pre-print
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To overcome the challenges in BurstSR, we propose a Burst Super-Resolution Transformer (BSRT), which can significantly improve the capability of extracting inter-frame information and reconstruction. ...
Further, our BSRT wins the championship in the NTIRE2022 Burst Super-Resolution Challenge. ...
Multi-Frame Super-Resolution. the SpyNet [40] to obtain multi-scale optical flows between each frame and the reference frame. ...
arXiv:2204.08332v2
fatcat:zwmo7ssvnngqpdw7k4gpw2ssba
Deep Burst Super-Resolution
[article]
2021
arXiv
pre-print
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In contrast, multi-frame super-resolution (MFSR) offers the possibility of reconstructing rich details by combining signal information from multiple shifted images. ...
We propose a novel architecture for the burst super-resolution task. Our network takes multiple noisy RAW images as input, and generates a denoised, super-resolved RGB image as output. ...
The multi-frame super-resolution (MFSR), on the other hand, aims to reconstruct the original HR image using multiple LR images. ...
arXiv:2101.10997v2
fatcat:luxjrwxhpbcvpmxllapo5vinmq
Burst Image Restoration and Enhancement
[article]
2022
arXiv
pre-print
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Modern handheld devices can acquire burst image sequence in a quick succession. ...
The pseudo-burst features are then created and enriched using multi-scale contextual information. ...
Multi-Frame Super-Resolution (MFSR). Tsai et al. [49] are the first to deal with the MFSR problem. ...
arXiv:2110.03680v2
fatcat:6cwkgx2t4fc4jnkz33wu55mhcy
Multi-Spectral Multi-Image Super-Resolution of Sentinel-2 with Radiometric Consistency Losses and Its Effect on Building Delineation
[article]
2021
arXiv
pre-print
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We present the first results of applying multi-image super-resolution (MISR) to multi-spectral remote sensing imagery. ...
To that end, we curate a multi-spectral multi-image super-resolution dataset, using PlanetScope imagery from the SpaceNet 7 challenge as the high resolution reference and multiple Sentinel-2 revisits of ...
Super-resolution models are divided in single-image super-resolution (SISR) and multiimage super-resolution (MISR) (aka.multi-frame or multi-temporal super-resolution). ...
arXiv:2111.03231v1
fatcat:lvx2qreg7fdibhjjdl77dtimwi
Progress of clinical translation of handheld and semi-handheld photoacoustic imaging
2021
Photoacoustics
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Photoacoustic imaging (PAI), featuring rich contrast, high spatial/temporal resolution and deep penetration, is one of the fastest-growing biomedical imaging technology over the last decade. ...
To date, numbers of handheld and semi-handheld photoacoustic imaging devices have been reported with corresponding potential clinical applications. ...
(10− 200 Hz, or frames per second) and a lower spatial resolution. ...
doi:10.1016/j.pacs.2021.100264
pmid:33868921
pmcid:PMC8040335
fatcat:zw57zih6arbs7eo2qcr6ik5ka4
Resolution enhancement of low-quality videos using a high-resolution frame
2006
Visual Communications and Image Processing 2006
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This paper proposes an example-based Super-Resolution (SR) algorithm of compressed videos in the Discrete Cosine Transform (DCT) domain. ...
Input to the system is a Low-Resolution (LR) compressed video together with a High-Resolution (HR) still image of similar content. ...
Ringing and blocking artifacts are also suppressed by multi-frame fusion. 8 What is not recoverable by multi-frame fusion is the signal blur. ...
doi:10.1117/12.643489
fatcat:zqsc55dkanfqvps7puzndpwvs4
Fast camera motion estimation for hand-held devices and applications
2005
Proceedings of the 4th international conference on Mobile and ubiquitous multimedia - MUM '05
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Our solution includes a multi-resolution scheme which searches the match from coarse to fine; and optimization of the search space. ...
In this paper we present an efficient motion estimation algorithm for camera-enabled handheld devices, such as mobile phones and PDAs. ...
Here we merely use the casual multi grid, e.g. a low pass filter. An alternative is the algebraic multi grid (AMG). ...
doi:10.1145/1149488.1149505
dblp:conf/mum/LiuDL05
fatcat:m7gc34jp55hmleozprwvnz27p4
Video Snapshots: Creating High-Quality Images from Video Clips
2012
IEEE Transactions on Visualization and Computer Graphics
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Our system allows the user to specify the desired operations for creating the output image, such as super resolution, noise and blur reduction, and selection of best focus. ...
We have compared the quality of our results against single-image super-resolution and multi-image super-resolution. ...
Given a set of N video frames L k ; k ¼ 1; 2; . . . ; N of resolution h  w, multi-image super-resolution seeks to combine the frames to obtain a single high-resolution sh  sw image H. ...
doi:10.1109/tvcg.2012.72
pmid:22392719
fatcat:mwh54gqh2bc4leonahzaqtqcdm
MEMS-Based Handheld Fourier Domain Doppler Optical Coherence Tomography for Intraoperative Microvascular Anastomosis Imaging
2014
PLoS ONE
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Purpose: To demonstrate the feasibility of a miniature handheld optical coherence tomography (OCT) imager for real time intraoperative vascular patency evaluation in the setting of super-microsurgical ...
Imaging with a frame rate of 36 Hz for an image size of 1000(lateral)6512(axial) pixels using a 50,000 A-lines per second swept source was achieved. ...
We evaluated the lateral resolution of our system by imaging a USAF-1951 resolution target; the result is shown in Fig. 4(a) inset. ...
doi:10.1371/journal.pone.0114215
pmid:25474742
pmcid:PMC4256419
fatcat:vsodzytt7rcbtl4f45sfckfvby
Signal conditioning algorithms for enhanced tactical sensor imagery
2003
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XIV
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Dynamic Super Resolution (DSR) improves the signal-to-noise ratio, while simultaneously improving spatial resolution. ...
In tactical sensor imagery there always is a need for less noise, higher dynamic range and more resolution. ...
SUPER RESOLUTION The term super resolution as used in this paper describes the generation of higher resolution imagery using resolution enhancement and image sharpening techniques. ...
doi:10.1117/12.487720
fatcat:4rxzg2weirdixjwt6lwexda2n4
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