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Panoramic x-rays are vital tools in the diagnosis and detection of various dental conditions. However, the presence of positioning errors in panoramic X-rays can greatly diminish the quality of the radiograph and render it undiagnostic. The purpose of this study is to provide a low-cost, simple technique for decreasing positioning errors in panoramic X-rays in dental offices. This paper uses a depth map calculated using two stereo images combined with facial landmark detection to determine whether tilt is proper for patient X-ray positioning. If the patient’s head is tilted too far back or then it produces a prompt to adjust the patient’s head positioning.

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Facial Tilt Detection and Correction in Panoramic X-Rays Using Depth Maps from 2D Stereo Images: A Novel Approach to Minimize Positioning Errors in Dental Imaging

  • 会议论文

  • 发表日期：

    2025年

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  • Elizabeth A. Trader,
  • Aishwarya Joshi,
  • Varadraj P. Gurupur,
  • Giang T. Vu

摘要

Panoramic x-rays are vital tools in the diagnosis and detection of various dental conditions. However, the presence of positioning errors in panoramic X-rays can greatly diminish the quality of the radiograph and render it undiagnostic. The purpose of this study is to provide a low-cost, simple technique for decreasing positioning errors in panoramic X-rays in dental offices. This paper uses a depth map calculated using two stereo images combined with facial landmark detection to determine whether tilt is proper for patient X-ray positioning. If the patient’s head is tilted too far back or then it produces a prompt to adjust the patient’s head positioning.