High-quality photoacoustic image reconstruction based on deep convolutional neural network: towards intra-operative photoacoustic imaging

P Farnia, M Mohammadi, E Najafzadeh… - Biomedical Physics …, 2020 - iopscience.iop.org
The use of intra-operative imaging system as an intervention solution to provide more
accurate localization of complicated structures has become a necessity during the …

Dictionary learning technique enhances signal in LED-based photoacoustic imaging

P Farnia, E Najafzadeh, A Hariri… - Biomedical optics …, 2020 - opg.optica.org
There has been growing interest in low-cost light sources such as light-emitting diodes
(LEDs) as an excitation source in photoacoustic imaging. However, LED-based …

Photoacoustic image improvement based on a combination of sparse coding and filtering

E Najafzadeh, P Farnia, SN Lavasani… - … of biomedical optics, 2020 - spiedigitallibrary.org
Significance: Photoacoustic imaging (PAI) has been greatly developed in a broad range of
diagnostic applications. The efficiency of light to sound conversion in PAI is limited by the …

Photoacoustic imaging of hidden dental caries using visible–light diode laser

FA Tasmara, R Widyaningrum… - Journal of Applied …, 2023 - Wiley Online Library
Background Hidden caries is a type of tooth decay that is difficult to identify through visual
diagnosis because teeth with hidden caries appear normal on the tooth surface but are …

Evaluation of multi-wavelengths LED-based photoacoustic imaging for maximum safe resection of glioma: a proof of concept study

E Najafzadeh, H Ghadiri, M Alimohamadi… - International Journal of …, 2020 - Springer
Purpose A real-time intra-operative imaging modality is required to update the navigation
systems during neurosurgery, since precise localization and safe maximal resection of …

Photoacoustic-MR image registration based on a co-sparse analysis model to compensate for brain shift

P Farnia, B Makkiabadi, M Alimohamadi, E Najafzadeh… - Sensors, 2022 - mdpi.com
Brain shift is an important obstacle to the application of image guidance during
neurosurgical interventions. There has been a growing interest in intra-operative imaging to …

Fluorescence and reflectance-based dual-modal hyperspectral image fusion for caries diagnosis

C Wang, H Xu, H Tang, L Xin, X Huang, L Wang… - Measurement, 2025 - Elsevier
Caries is a common disease with high morbidity in the field of the oral cavity, and its
accurate diagnosis is beneficial to the prevention and treatment of the disease. However, the …

Fundamentals of navigation surgery

A Ahmadian, P Farnia, E Najafzadeh… - Navigation in Oral and …, 2022 - Springer
What a surgeon needs in an operating room is a sense of confidence to perform a safe and
less invasive surgery by avoiding critical anatomies and preferably on a preplanned map …

[HTML][HTML] Recent development of photoacoustic imaging in dentistry: A review on studies over the last decade

AW Sari, R Widyaningrum, A Setiawan - The Saudi Dental Journal, 2023 - Elsevier
Background This work performs a literature review of photoacoustic imaging (PAI) in
dentistry and discusses the development of PAI in relation to oral health. Methods A search …

Light-emitting diode based photoacoustic imaging system

E Najafzadeh, P Farnia, A Ahmadian… - Frontiers in Biomedical …, 2020 - fbt.tums.ac.ir
Purpose: A Photoacoustic Imaging (PAI) as a non-invasive hybrid imaging modality has the
potential to be used in a wide range of pre-clinical and clinical applications. There are …