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Application and Feasibility Assessment of Artificial Intelligence in Forensic Identification and Document Examination

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Sep 29, 2025

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Figure 1.

The polar coordinate representation of the line
The polar coordinate representation of the line

Figure 2.

Results of Hough line transformation
Results of Hough line transformation

Figure 3.

Indentation depth curves of the No. 1 writer under five pad conditions
Indentation depth curves of the No. 1 writer under five pad conditions

Figure 4.

Indentation depth curves of writer 1 under pad condition for 10 A4 sheets
Indentation depth curves of writer 1 under pad condition for 10 A4 sheets

Figure 5.

Results of LBP feature factor analysis for the full image of character images
Results of LBP feature factor analysis for the full image of character images

Figure 6.

Results of characteristic factor analysis of character LBP
Results of characteristic factor analysis of character LBP

Figure 7.

Results of Raman spectrum analysis
Results of Raman spectrum analysis

Comparison results of Hough line changes

Image Entropy of information Ultimate compression ratio
Image 1 6.9735 1.203
Wavelet transform 5.0382 1.703
Fourier transform 4.0284 2.198
Hough line transform 2.7653 2.974
Image 2 7.0843 1.148
Wavelet transform 4.8863 1.718
Fourier transform 3.7826 2.286
Hough line transform 2.5973 2.864
Image 3 7.1084 1.129
Wavelet transform 4.8691 1.711
Fourier transform 3.7742 2.689
Hough line transform 2.5038 2.903
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