no code implementations • 7 Feb 2024 • Atal Tewari, Nitin Khanna
Super-resolution (SR) is a practical and cost-effective solution; however, most SR approaches work on fixed integer scale factors, i. e., a single model can generate images of a specific resolution.
no code implementations • 28 Sep 2023 • Atal Tewari, K Prateek, Amrita Singh, Nitin Khanna
To be specific, we discuss the challenges in crater detection due to the complex properties of the craters and survey the DL-based CDAs by categorizing them into three parts: (a) semantic segmentation-based, (b) object detection-based, and (c) classification-based.
no code implementations • 3 Nov 2022 • Atal Tewari, Vikrant Jain, Nitin Khanna
Further, the extracted shapes of the craters are utilized to improve the estimate of the craters' diameter, depth, and other morphological factors.
no code implementations • 19 Oct 2021 • Atal Tewari, Chennuri Prateek, Nitin Khanna
Therefore, to decrease the cost of the satellite mission, we propose a novel system design for selective data transmission, based on in-orbit inferences.
no code implementations • 23 Sep 2021 • Sharad Joshi, Yogesh Kumar Gupta, Nitin Khanna
The digital revolution has replaced the use of printed documents with their digital counterparts.
no code implementations • 10 Apr 2021 • Vinay Verma, Deepak Singh, Nitin Khanna
A set of extensive experiments shows that the proposed system trained on a single dataset generalizes well on other datasets compressed with completely unseen quantization matrices and outperforms the state-of-the-art methods in both seen and unseen quantization matrices scenarios.
no code implementations • 4 Apr 2020 • Sharad Joshi, Pawel Korus, Nitin Khanna, Nasir Memon
We assess the variability of PRNU-based camera fingerprints with mismatched imaging pipelines (e. g., different camera ISP or digital darkroom software).
no code implementations • 27 Mar 2020 • Sharad Joshi, Suraj Saxena, Nitin Khanna
Source printer identification provides essential information about the origin and integrity of a printed document in a fast and cost-effective manner.
no code implementations • 17 Aug 2018 • Sharad Joshi, Suraj Saxena, Nitin Khanna
Knowledge of source smartphone corresponding to a document image can be helpful in a variety of applications including copyright infringement, ownership attribution, leak identification and usage restriction.
1 code implementation • 22 Jun 2017 • Sharad Joshi, Nitin Khanna
This paper proposes a system for classification of source printer from scanned images of printed documents using all the printed letters simultaneously.
no code implementations • 20 Jun 2017 • Hardik Jain, Gaurav Gupta, Sharad Joshi, Nitin Khanna
This paper proposes a set of features for characterizing text-line-level geometric distortions, referred as geometric distortion signatures and presents a novel system to use them for identification of the origin of a printed document.