Applying Partial Differential Equations on Cubic Uniform Local Binary Pattern to Reveal Micro-Changes

سال انتشار: 1403
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 56

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شناسه ملی سند علمی:

JR_JECEI-12-1_018

تاریخ نمایه سازی: 5 دی 1402

چکیده مقاله:

kground and Objectives: The world we live in everyday, accompany with enormous numbers of minute variations which affect us and our surroundings in several aspects. These variations, so called micro-changes, are low in intensity and brief in duration which makes them almost invisible to naked eyes. Nonetheless, revealing them could open up a new wide range of applications from security, business, engineering, medical, and seismology to psychology.Methods: In this paper, we adopted a novel autonomous approach comprising Partial Differential Equations (PDE) and Cubic Uniform Local Binary Pattern (Cubic-ULBP) to spot micro-changes. Cubic-ULBP extracts ۱۵ planes containing robust features against noise and illumination variations. Afterwards, PDE pick out single plane out of ۱۵ to reduce time consumption. Results: The proposed method is not only optimized to get the job done perfectly but also provides promising results comparing with most state-of-the-art methods. So that the accuracy is increased about ۳۶% and ۴۰% on the CASME and the CASME II databases, respectively.Conclusion: The combination of the PDE and the Cubic-ULBP creates a strong and optimal method for detecting the apex frame and micro-movement. This method's performance is found to be promising when the training samples are scarce, too.

کلیدواژه ها:

Apex ، Cubic-ULBP ، micro-changes ، micro-expression ، Partial Differential Equations (PDE)

نویسندگان

V. Esmaeili

Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.

M. Mohassel Feghhi

Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran.

S. O. Shahdi

Department of Electrical Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran

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