49 citations · 88 across the 7 of their papers we have counts for
7 papers
Source Printer Identification using Printer Specific Pooling of Letter Descriptors
Sharad Joshi, Yogesh Kumar Gupta, Nitin Khanna
The digital revolution has replaced the use of printed documents with their digital counterparts. However, many applications require the use of both due to several factors, includi…
Empirical Evaluation of PRNU Fingerprint Variation for Mismatched Imaging Pipelines
Sharad Joshi, Pawel Korus, Nitin Khanna +1
We assess the variability of PRNU-based camera fingerprints with mismatched imaging pipelines (e.g., different camera ISP or digital darkroom software). We show that camera fingerp…
Source Printer Identification from Document Images Acquired using Smartphone
Sharad Joshi, Suraj Saxena, Nitin Khanna
Vast volumes of printed documents continue to be used for various important as well as trivial applications. Such applications often rely on the information provided in the form of…
First Steps Toward CNN based Source Classification of Document Images Shared Over Messaging App
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 identific…
Source Printer Classification using Printer Specific Local Texture Descriptor
Sharad Joshi, Nitin Khanna
The knowledge of source printer can help in printed text document authentication, copyright ownership, and provide important clues about the author of a fraudulent document along w…
Single Classifier-based Passive System for Source Printer Classification using Local Texture Features
Sharad Joshi, Nitin Khanna
An important aspect of examining printed documents for potential forgeries and copyright infringement is the identification of source printer as it can be helpful for ascertaining…
Passive Classification of Source Printer using Text-line-level Geometric Distortion Signatures from Scanned Images of Printed Documents
Hardik Jain, Gaurav Gupta, Sharad Joshi +1
In this digital era, one thing that still holds the convention is a printed archive. Printed documents find their use in many critical domains such as contract papers, legal tender…