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With the advancement of technology, we have supercomputers with high processing power and affordable prices. In addition, using multimedia expanded all around the world. This caused a vast use of images and videos in different fields. As…

Multimedia · Computer Science 2021-05-20 Shahrokh Paravarzar , Javaneh Alavi

Depth perception is paramount to tackle real-world problems, ranging from autonomous driving to consumer applications. For the latter, depth estimation from a single image represents the most versatile solution, since a standard camera is…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Filippo Aleotti , Giulio Zaccaroni , Luca Bartolomei , Matteo Poggi , Fabio Tosi , Stefano Mattoccia

Optical and optoelectronic techniques for micro- and nano-object manipulation are becoming essential tools in nano- and bio-technology. A remarkable optoelectronic technique that has experimented a strong development in the last few years…

Microscopy image enhancement plays a pivotal role in understanding the details of biological cells and materials at microscopic scales. In recent years, there has been a significant rise in the advancement of microscopy image enhancement,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-29 Debasish Dutta , Neeharika Sonowal , Risheraj Barauh , Deepjyoti Chetia , Sanjib Kr Kalita

Despite recent progress in computer vision, fine-grained interpretation of satellite images remains challenging because of a lack of labeled training data. To overcome this limitation, we propose using Wikipedia as a previously untapped…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Evan Sheehan , Burak Uzkent , Chenlin Meng , Zhongyi Tang , Marshall Burke , David Lobell , Stefano Ermon

Photographic emulsion is a particle tracking device which features the best spatial resolution among particle detectors. For certain applications, for example muon radiography, large-scale detectors are required. Therefore, a huge surface…

Instrumentation and Detectors · Physics 2016-03-07 T. Ariga , A. Ariga , K. Kuwabara , K. Morishima , M. Moto , A. Nishio , P. Scampoli , M. Vladymyrov

Through digital imaging, microscopy has evolved from primarily being a means for visual observation of life at the micro- and nano-scale, to a quantitative tool with ever-increasing resolution and throughput. Artificial intelligence, deep…

Spectrograph is an optical device that is used to disperse photons of different energies $E$ into distinct directions and space locations, and to take a snapshot of the whole spectrum of photon energies with a spatially sensitive photon…

Optics · Physics 2015-06-03 Yuri Shvyd'ko

One strategy to scale up ML-driven science is to increase wet lab experiments' information density. We present a method based on a neural extension of compressed sensing to function space. We measure the activity of multiple different…

The optical matrix formalism is applied to find parameters such as focal distance, back and front focal points, principal planes, and the equation relating object and image distances for a thick spherical lens immerse in air. Then, the…

Optics · Physics 2021-08-20 Fulvio Andres Callegari

Depth sensing cameras (e.g., Kinect sensor, Tango phone) can acquire color and depth images that are registered to a common viewpoint. This opens the possibility of developing algorithms that exploit the advantages of both sensing…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 ShreeRanjani SrirangamSridharan , Oytun Ulutan , Shehzad Noor Taus Priyo , Swati Rallapalli , Mudhakar Srivatsa

This paper presents a smartphone-based imaging system capable of quantifying the concentration of an assortment of biological/chemical assay samples. The main objective is to construct an image database which characterizes the relationship…

Image and Video Processing · Electrical Eng. & Systems 2026-04-17 Zhendong Cao , Hongji Dai , Zhida Li , Ash Parameswaran

The theoretical approach to describe the defocusing microscopy technique by U. Agero et al. [Phys. Rev. E {\bf 67}, 051904 (2003)] assumes that the size of the objective lens aperture is infinite. This treatment gives that the intensity at…

Land use mapping is a fundamental yet challenging task in geographic science. In contrast to land cover mapping, it is generally not possible using overhead imagery. The recent, explosive growth of online geo-referenced photo collections…

Computer Vision and Pattern Recognition · Computer Science 2016-09-22 Yi Zhu , Shawn Newsam

For tasks involving language and vision, the current state-of-the-art methods tend not to leverage any additional information that might be present to gather relevant (commonsense) knowledge. A representative task is Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Somak Aditya , Rudra Saha , Yezhou Yang , Chitta Baral

Since the beginning of rephotography in the middle of the 19th century, techniques in registration, conservation, presentation, and sharing of rephotographs have come a long way. Here, we will present existing digital approaches to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Axel Schaffland

Advances in micro-technology of the last years have made it possible to carry optics textbooks experiments over to atomic and molecular beams, such as diffraction by a double slit or transmission grating. The usual wave-optical approach…

Quantum Physics · Physics 2017-08-23 Gerhard C. Hegerfeldt , Thorsten Koehler

We propose a material acquisition approach to recover the spatially-varying BRDF and normal map of a near-planar surface from a single image captured by a handheld mobile phone camera. Our method images the surface under arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Zhengqin Li , Kalyan Sunkavalli , Manmohan Chandraker

Underwater visual perception is essentially important for underwater exploration, archeology, ecosystem and so on. The low illumination, light reflections, scattering, absorption and suspended particles inevitably lead to the critically…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yan Kai , Liang Lanyue , Zheng Ziqiang , Wang Guoqing , Yang Yang

In this work we investigate whether browser-native technologies can be used to perform photo manipulation tasks e.g cropping, resizing or rotating an image within the current mainstream browser. By the use of a case study we will analyze…

Human-Computer Interaction · Computer Science 2011-01-04 Thomas Steenbergen , Michael S. Lew