Abstract
Purpose
This research endeavors to improve tumor localization in minimally invasive surgeries, a challenging task primarily attributable to the absence of tactile feedback and limited visibility. The conventional solution uses laparoscopic ultrasound (LUS) which has a long learning curve and is operator-dependent.
Methods
The proposed approach involves augmenting LUS images onto laparoscopic images to improve the surgeon’s ability to estimate tumor and internal organ anatomy. This augmentation relies on LUS pose estimation and filtering.
Results
Experiments conducted with clinical data exhibit successful outcomes in both the registration and augmentation of LUS images onto laparoscopic images. Additionally, noteworthy results are observed in filtering, leading to reduced flickering in augmentations.
Conclusion
The outcomes reveal promising results, suggesting the potential of LUS augmentation in surgical images to assist surgeons and serve as a training tool. We have used the LUS probe’s shaft to disambiguate the rotational symmetry. However, in the long run, it would be desirable to find more convenient solutions.
References
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Acknowledgements
This work is funded by project ANR JCJC—IMMORTALLS.
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Mohammad Mahdi Kalantari declares to have no potential conflicts of interest. Erol Ozgur declares to have no potential conflicts of interest. Mohammad Alkhatib declares to have no potential conflicts of interest. Emmanuel Buc declares to have no potential conflicts of interest. Bertrand Le Roy declares to have no potential conflicts of interest. Richard Modrzejewski declares to have no potential conflicts of interest. Youcef Mezouar declares to have no potential conflicts of interest. Adrien Bartoli declares to have no potential conflicts of interest.
Human and animal rights
All procedures involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study is also supported by ethical approval with ID IRB00008526-2019-CE58 issued by CPP Sud-Est VI in Clermont-Ferrand, France.
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Informed consent was obtained from the patients included in the study.
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Kalantari, M.M., Ozgur, E., Alkhatib, M. et al. LARLUS: laparoscopic augmented reality from laparoscopic ultrasound. Int J CARS (2024). https://doi.org/10.1007/s11548-024-03134-x
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DOI: https://doi.org/10.1007/s11548-024-03134-x