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Handheld Multi-Frame Super-Resolution [article]

Bartlomiej Wronski, Ignacio Garcia-Dorado, Manfred Ernst, Damien Kelly, Michael Krainin, Chia-Kai Liang, Marc Levoy, Peyman Milanfar
2019 pre-print
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

Sebastian Knorr, Matthias Kunter, Thomas Sikora
2007 3-D Digital Imaging and Modeling  
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

Sebastian Knorr, Matthias Kunter, Thomas Sikora
2008 Signal processing. Image communication  
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]

Takuma Yamaguchi, Hisato Fukuda, Ryo Furukawa, Hiroshi Kawasaki, Peter Sturm
2011 Lecture Notes in Computer Science  
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

Miguel Bordallo López, Jari Hannuksela, Olli Silvén, Markku Vehviläinen
2012 Multimedia tools and applications  
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]

Ziwei Luo, Youwei Li, Shen Cheng, Lei Yu, Qi Wu, Zhihong Wen, Haoqiang Fan, Jian Sun, Shuaicheng Liu
2022 arXiv   pre-print
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]

Goutam Bhat and Martin Danelljan and Luc Van Gool and Radu Timofte
2021 arXiv   pre-print
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]

Akshay Dudhane, Syed Waqas Zamir, Salman Khan, Fahad Shahbaz Khan, Ming-Hsuan Yang
2022 arXiv   pre-print
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]

Muhammed Razzak, Gonzalo Mateo-Garcia, Luis Gómez-Chova, Yarin Gal, Freddie Kalaitzis
2021 arXiv   pre-print
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

Qian Chen, Wei Qin, Weizhi Qi, Lei Xi
2021 Photoacoustics  
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

Tuan Q. Pham, Lucas J. van Vliet, Klamer Schutte, John G. Apostolopoulos, Amir Said
2006 Visual Communications and Image Processing 2006  
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

Xu Liu, David Doermann, Huiping Li
2005 Proceedings of the 4th international conference on Mobile and ubiquitous multimedia - MUM '05  
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

K. Sunkavalli, N. Joshi, Sing Bing Kang, M. F. Cohen, H. Pfister
2012 IEEE Transactions on Visualization and Computer Graphics  
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

Yong Huang, Georg J. Furtmüller, Dedi Tong, Shan Zhu, W. P. Andrew Lee, Gerald Brandacher, Jin U. Kang, Tom Waigh
2014 PLoS ONE  
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

Klamer Schutte, Dirk-Jan J. de Lange, Sebastian P. van den Broek, Gerald C. Holst
2003 Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XIV  
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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