no code implementations • 17 Mar 2023 • Kitty Varghese, Sudarshan Rajagopalan, Mohit Lamba, Kaushik Mitra
Saliency detection methods are central to several real-world applications such as robot navigation and satellite imagery.
no code implementations • 10 Dec 2022 • Yi Ding, Aijia Gao, Thibaud Ryden, Kaushik Mitra, Sukumar Kalmanje, Yanai Golany, Michael Carbin, Henry Hoffmann
While it is tempting to use prior machine learning techniques for predicting job duration, we find that the structure of the maintenance job scheduling problem creates a unique challenge.
1 code implementation • 27 Nov 2022 • Neham Jain, Gopi Matta, Kaushik Mitra
This can be attributed to the fact that synthetic data cannot accurately represent real conditions.
1 code implementation • 8 Aug 2022 • Atreyee Saha, Salman S Khan, Sagar Sehrawat, Sanjana S Prabhu, Shanti Bhattacharya, Kaushik Mitra
Fourier Ptychographic Microscopy (FPM) is an imaging procedure that overcomes the traditional limit on Space-Bandwidth Product (SBP) of conventional microscopes through computational means.
1 code implementation • 21 Jul 2022 • Shrisudhan Govindarajan, Prasan Shedligeri, Sarah, Kaushik Mitra
Hence, we propose a self-supervised learning-based algorithm for LF video reconstruction from monocular videos.
1 code implementation • CVPR 2021 • Mohit Lamba, Kaushik Mitra
We propose a new deep learning architecture for extreme low-light single image restoration, which is exceptionally lightweight, remarkably fast, and produces a restoration that is perceptually at par with state-of-the-art computationally intense models.
1 code implementation • ICCV 2021 • Prasan Shedligeri, Florian Schiffers, Sushobhan Ghosh, Oliver Cossairt, Kaushik Mitra
We propose a self-supervised learning-based algorithm for LF video reconstruction from stereo video.
1 code implementation • ICCV 2021 • B H Pawan Prasad, Green Rosh K S, Lokesh R. Boregowda, Kaushik Mitra, Sanjoy Chowdhury
Our method processes the corrupted image in two stages, a Low Scale Sub-network (LSSNet) to process the lowest scale and a Progressive Inference (PI) stage to process all the higher scales.
1 code implementation • 28 Nov 2020 • Mohit Lamba, Atul Balaji, Kaushik Mitra
However, doing the bulk of computations in the LR space causes artifacts in the restored image.
1 code implementation • 11 Nov 2020 • Prasan Shedligeri, Anupama S, Kaushik Mitra
Most recently, a Coded-2-Bucket camera has been proposed that can acquire two compressed measurements in a single exposure, unlike previously proposed coded exposure techniques, which can acquire only a single measurement.
1 code implementation • 29 Oct 2020 • Salman S. Khan, Varun Sundar, Vivek Boominathan, Ashok Veeraraghavan, Kaushik Mitra
Lensless imaging has emerged as a potential solution towards realizing ultra-miniature cameras by eschewing the bulky lens in a traditional camera.
1 code implementation • 20 Oct 2020 • S Anupama, Prasan Shedligeri, Abhishek Pal, Kaushik Mitra
The input to our algorithm is a fully-exposed and coded image pair.
no code implementations • 18 Aug 2020 • Yuqian Zhou, Michael Kwan, Kyle Tolentino, Neil Emerton, Sehoon Lim, Tim Large, Lijiang Fu, Zhihong Pan, Baopu Li, Qirui Yang, Yihao Liu, Jigang Tang, Tao Ku, Shibin Ma, Bingnan Hu, Jiarong Wang, Densen Puthussery, Hrishikesh P. S, Melvin Kuriakose, Jiji C. V, Varun Sundar, Sumanth Hegde, Divya Kothandaraman, Kaushik Mitra, Akashdeep Jassal, Nisarg A. Shah, Sabari Nathan, Nagat Abdalla Esiad Rahel, Dafan Chen, Shichao Nie, Shuting Yin, Chengconghui Ma, Haoran Wang, Tongtong Zhao, Shanshan Zhao, Joshua Rego, Huaijin Chen, Shuai Li, Zhenhua Hu, Kin Wai Lau, Lai-Man Po, Dahai Yu, Yasar Abbas Ur Rehman, Yiqun Li, Lianping Xing
The results in the paper are state-of-the-art restoration performance of Under-Display Camera Restoration.
1 code implementation • 14 Aug 2020 • Varun Sundar, Sumanth Hegde, Divya Kothandaraman, Kaushik Mitra
In this work, we present Deep Atrous Guided Filter (DAGF), a two-stage, end-to-end approach for image restoration in UDC systems.
no code implementations • 15 Jul 2020 • Sharath M. Shankaranarayana, Keerthi Ram, Kaushik Mitra, Mohanasankar Sivaprakasam
One of the important parameters for the assessment of glaucoma is optic nerve head (ONH) evaluation, which usually involves depth estimation and subsequent optic disc and cup boundary extraction.
no code implementations • 13 Mar 2020 • Honey Gupta, Kaushik Mitra
Guided super-resolution (GSR) of thermal images using visible range images is challenging because of the difference in the spectral-range between the images.
no code implementations • 12 Mar 2020 • Pradyumna Chari, Anil Kumar Vadathya, Kaushik Mitra
Finally, we present for the first time a stereo HDR dataset consisting of dense ISO and exposure stack captured from a smartphone dual camera.
1 code implementation • 5 Mar 2020 • Mohit Lamba, Kranthi Kumar, Kaushik Mitra
The proposed L3Fnet not only performs the necessary visual enhancement of each LF view but also preserves the epipolar geometry across views.
1 code implementation • 3 Mar 2020 • Mohit Lamba, Kaushik Mitra
Images captured nowadays are of varying dimensions with smartphones and DSLR's allowing users to choose from a list of available image resolutions.
1 code implementation • 25 May 2019 • Honey Gupta, Kaushik Mitra
We evaluate and compare our method both quantitatively and qualitatively on various underwater images with diverse attenuation and scattering conditions and show that our method produces state-of-the-art results for unsupervised depth estimation from a single underwater image.
no code implementations • 4 Feb 2019 • Sharath M. Shankaranarayana, Keerthi Ram, Kaushik Mitra, Mohanasankar Sivaprakasam
Glaucoma is a serious ocular disorder for which the screening and diagnosis are carried out by the examination of the optic nerve head (ONH).
no code implementations • 21 Jan 2019 • Chaitanya Chinni, Abhishek Kulkarni, Dheeraj M. Pai, Kaushik Mitra, Pradeep Kiran Sarvepalli
Our final decoder is independent of the noise model and achieves a threshold of $10 \%$.
no code implementations • 26 Dec 2018 • Anil Kumar Vadathya, Sharath Girish, Kaushik Mitra
Here, we present a unified learning framework that can reconstruct LF from a variety of multiplexing schemes with minimal number of coded images as input.
no code implementations • 16 May 2018 • Prasan A Shedligeri, Kaushik Mitra
Event sensors output a stream of asynchronous brightness changes (called ``events'') at a very high temporal rate.
no code implementations • 9 May 2018 • Lokesh Boominathan, Mayug Maniparambil, Honey Gupta, Rahul Baburajan, Kaushik Mitra
For the low overlap case we show that a supervised deep learning technique using an autoencoder generator is a good choice for solving the Fourier ptychography problem.
1 code implementation • 13 Mar 2018 • Stefanie Anna Baby, Bimal Vinod, Chaitanya Chinni, Kaushik Mitra
We propose to use the various slices (such as $x-y$, $x-t$, and $y-t$) of the DVS video as a feature map for HAR and denote them as Motion Maps.
1 code implementation • 27 Feb 2018 • Akshat Dave, Anil Kumar Vadathya, Ramana Subramanyam, Rahul Baburajan, Kaushik Mitra
On the other hand, a more flexible approach would be to learn a deep generative model once and then use it as a signal prior for solving various inverse problems.
no code implementations • 20 Jan 2018 • Anil Kumar Vadathya, Saikiran Cholleti, Gautham Ramajayam, Vijayalakshmi Kanchana, Kaushik Mitra
We propose to do this in three stages 1) reconstruction of center view from the coded image 2) estimating disparity map from the coded image and center view 3) warping center view using the disparity to generate light field.
no code implementations • 29 May 2017 • Prasan A Shedligeri, Sreyas Mohan, Kaushik Mitra
To address this drawback we propose a data driven approach for learning the optimal aperture pattern to recover depth map from a single coded image.
no code implementations • 13 Dec 2016 • Akshat Dave, Anil Kumar Vadathya, Kaushik Mitra
Reconstruction of signals from compressively sensed measurements is an ill-posed problem.
no code implementations • 21 Dec 2015 • Ryuichi Tadano, Adithya Kumar Pediredla, Kaushik Mitra, Ashok Veeraraghavan
Transient imaging or light-in-flight techniques capture the propagation of an ultra-short pulse of light through a scene, which in effect captures the optical impulse response of the scene.
no code implementations • 8 Aug 2013 • Kaushik Mitra, Oliver Cossairt, Ashok Veeraraghavan
Unfortunately, a detailed analysis of CI has proven to be a challenging problem because performance depends equally on three components: (1) the optical multiplexing, (2) the noise characteristics of the sensor, and (3) the reconstruction algorithm.
no code implementations • NeurIPS 2010 • Kaushik Mitra, Sameer Sheorey, Rama Chellappa
We further demonstrate the effectiveness of the proposed algorithm in solving the affine SfM problem, non-rigid SfM and photometric stereo problems.