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iVision HHID: Handwritten hyperspectral images dataset for benchmarking hyperspectral imaging-based document forensic analysis

Data in brief, 2022-04, Vol.41, p.107964-107964, Article 107964 [Peer Reviewed Journal]

2022 ;2022 The Author(s). Published by Elsevier Inc. ;2022 The Author(s). Published by Elsevier Inc. 2022 ;ISSN: 2352-3409 ;EISSN: 2352-3409 ;DOI: 10.1016/j.dib.2022.107964 ;PMID: 35242944

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  • Title:
    iVision HHID: Handwritten hyperspectral images dataset for benchmarking hyperspectral imaging-based document forensic analysis
  • Author: Islam, Ammad Ul ; Khan, Muhammad Jaleed ; Asad, Muhammad ; Khan, Haris Ahmad ; Khurshid, Khurram
  • Subjects: Age estimation ; Data ; Document forensics ; Document image analysis ; Handwritten optical character recognition ; Hyperspectral image analysis ; Hyperspectral imaging ; Ink mismatch detection ; Writer identification
  • Is Part Of: Data in brief, 2022-04, Vol.41, p.107964-107964, Article 107964
  • Description: This article presents a dataset of hyperspectral images of handwriting samples collected from 54 individuals. The purpose of the presented dataset is to further explore the use of hyperspectral imaging in document image analysis and to benchmark the performance of forensic analysis methods for hyperspectral document images. Each hyperspectral cube in the dataset has a spatial resolution of 512 × 650 pixels and contains 149 spectral channels in the spectral range of 478–901 nm. All the individuals have different personalities and have their writing patterns. The information of age and gender of each individual is collected. Each subject has written twenty-eight sentences using 12 different varieties of pens from different brands in blue color, each approximately 9 words or 33 characters long, all English alphabets in capital and small cases, digits from 0 to 9. The previous methods use synthetic mixed samples created by joining different parts of the images from the UWA WIHSI dataset.Each document consists of real mixed samples written withdifferent pens and by different writers with a variety of mixing ratios of inks and writers for forensic analysis.The standard A4 pages, each weighing 70 gs and manufactured by “AA” company, are used for data collection. The handwritten notes written by each subject with different pens are annotated in rectangular boxes. This dataset can be used for several tasks related to hyperspectral document image analysis and document forensic analysis including, handwritten optical character recognition, ink mismatch detection, writer identification at sentence, word, and character-level, handwriting-based gender classification, handwriting-based age prediction, handwritten word segmentation, and word generation. This dataset was designed and collected by the research team at the Artificial intelligence and Computer Vision Lab (iVision), Institute of Space Technology, Pakistan, and the hyperspectral images were acquired through imaging spectroscopy in the visible wavelength range at Wageningen University & Research, the Netherlands.
  • Publisher: Netherlands: Elsevier Inc
  • Language: English
  • Identifier: ISSN: 2352-3409
    EISSN: 2352-3409
    DOI: 10.1016/j.dib.2022.107964
    PMID: 35242944
  • Source: Open Access: PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    DOAJ Directory of Open Access Journals
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