Tracking Accuracy of a Stereo Camera-Based Augmented Reality Navigation System for Orthognathic Surgery

Ahn, Jaemyung; Choi, Hye Sook; Hong, Jin; Hong, Jin-Pyo

doi:10.1016/j.joms.2018.12.032

Cited by 33 publications

(17 citation statements)

References 23 publications

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“…The use of augmented reality via head mounted devices has been reported as a potential technique for translating 3D VSP to the actual surgical procedure (Bosc, Fitoussi, Hersant, Dao, & Meningaud, 2018). The first reports of augmented reality‐supported navigation have shown that both speed and accuracy of performing the navigational tasks were significantly improved (Ahn, Choi, Hong, & Hong, 2019; Meulstee et al., 2018).…”

Section: Optimisation Of Virtual Planning—ct and Mri Fusionmentioning

confidence: 99%

Three‐dimensional virtual surgical planning in the oncologic treatment of the mandible

et al. 2020

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Objectives: In case of surgical removal of oral squamous cell carcinomas, a resection of mandibular bone is frequently part of the treatment. Nowadays, such resections frequently include the application of 3D virtual surgical planning (VSP) and guided surgery techniques. In this paper, current methods for 3D VSP leads for optimisation of the workflow, and patient-specific application of guides and implants are reviewed. Recent findings: Current methods for 3D VSP enable multi-modality fusion of images. This fusion of images is not restricted to a specific software package or workflow. New strategies for 3D VSP in Oral and Maxillofacial Surgery include finite element analysis, deep learning and advanced augmented reality techniques. These strategies aim to improve the treatment in terms of accuracy, predictability and safety. Conclusions: Application of the discussed novel technologies and strategies will improve the accuracy and safety of mandibular resection and reconstruction planning. Accurate, easy-to-use, safe and efficient three-dimensional VSP can be applied for every patient with malignancies needing resection of the mandible.

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Section: Optimisation Of Virtual Planning—ct and Mri Fusionmentioning

confidence: 99%

Three‐dimensional virtual surgical planning in the oncologic treatment of the mandible

et al. 2020

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“…Typically, for AR applications in the medical field, the virtual data are 3D reconstructions of anatomical structures performed by processing the radiological patient images that we define Virtual Data Source (VDS). In twenty-one out of 30 studies the VDS was represented by the preoperative CT or CBCT (Cone Beam CT) scan; in two studies [24], [25], a 3D scanner was used to acquire the patient's teeth shape to be used in combination with CT images; in two studies [20], [26], the data was obtained from SPECT/CT; in four studies the data was elaborated both from CT scan and MRI scans [3], [6], [8], [27].…”

Section: B Breakdown Of the Studies According To Technical Implementmentioning

confidence: 99%

“…maxilla, mandible, tooth roots, critical nerve channels, lymph nodes [8], [13], [14], [20]- [24], [27]- [33]. In thirteen of these studies ( [3], [7], [9], [20]- [22], [24], [25], [31], [34]- [37]) additional computer-generated elements, such as preoperatively planned osteotomy lines, reference planes, planned resections, position of potential implants or representations of hot spots, were added to the virtual anatomical content for aiding the surgical procedure. Similarly, simple geometrical primitives constituted the core of the virtual content in the other studies.…”

Section: ) Visualization Processing Modality (Vpm)mentioning

confidence: 99%

“…In all the studies involving IR tracking, the tracked body was anchored to an array of spherical and reflective markers by means of a standard reference structure. In case of patient tracking, the reference structure was non-invasively fixed on the patient's maxilla through a dental splint [7], [22], [25], [28], [31], [35] or simply attached to the patient's forehead or skull [20], [25], [26], [35], [39]. When optical tracking was performed through RGB cameras, marker-based solutions were adopted in three of the six studies.…”

Section: ) Tracking Modality (Tm)mentioning

confidence: 99%

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Review on Augmented Reality in Oral and Cranio-Maxillofacial Surgery: Toward “Surgery-Specific” Head-Up Displays

et al. 2020

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In recent years, there has been an increasing interest towards the augmented reality as applied to the surgical field. We conducted a systematic review of literature classifying the augmented reality applications in oral and cranio-maxillofacial surgery (OCMS) in order to pave the way to future solutions that may ease the adoption of AR guidance in surgical practice. Publications containing the terms ''augmented reality'' AND ''maxillofacial surgery'', and the terms ''augmented reality'' AND ''oral surgery'' were searched in the PubMed database. Through the selected studies, we performed a preliminary breakdown according to general aspects, such as surgical subspecialty, year of publication and country of research; then, a more specific breakdown was provided according to technical features of AR-based devices, such as virtual data source, visualization processing mode, tracking mode, registration technique and AR display type. The systematic search identified 30 eligible publications. Most studies (14) were in orthognatic surgery, the minority (2) concerned traumatology, while 6 studies were in oncology and 8 in general OCMS. In 8 of 30 studies the AR systems were based on a head-mounted approach using smart glasses or headsets. In most of these cases (7), a video-see-through mode was implemented, while only 1 study described an optical-seethrough mode. In the remaining 22 studies, the AR content was displayed on 2D displays (10), full-parallax 3D displays (6) and projectors (5). In 1 case the AR display type is not specified. AR applications are of increasing interest and adoption in oral and cranio-maxillofacial surgery, however, the quality of the AR experience represents the key requisite for a successful result. Widespread use of AR systems in the operating room may be encouraged by the availability of ''surgery-specific'' head-mounted devices that should guarantee the accuracy required for surgical tasks and the optimal ergonomics.

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“…In References , the authors compared stereo camera navigation systems with Infra = Red (IR)‐based optical tracking systems to evaluate tracking accuracy. This experiment showed the reliability and accuracy of stereo‐camera navigation systems for enhancing the application of AR navigation systems for clinician training and patient communication.…”

Section: Literature Reviewmentioning

confidence: 99%

Augmented reality for narrow area navigation in jaw surgery: Modified tracking by detection volume subtraction algorithm

Budhathoki

Alsadoon

Prasad

et al. 2020

Robotics Computer Surgery

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Background and Aim: Jaw surgery based on augmented reality (AR) still has limitations in terms of navigating narrow areas. Surgeons need to avoid nerves, vessels, and teeth in their entirety, not just root canals. Inaccurate positioning of the surgical instrument may lead to positional or navigational errors and can result in cut blood vessels, nerve channels, or root canals. This research aims to decrease the positional error during surgery and improve navigational accuracy by reducing the positional error.Methodology: The proposed 2D/3D system tracks the surgical instrument, consisting of the shaft and the cutting element, each part being assigned a different feature description.In the case of the 3D position estimation, the input vector is composed of image descriptors of the instrument and the output value consists of 3D coordinates of the cutter.Results: Sample results from a jawbone-maxillary and mandibular jaw-demonstrate that the positional error is reduced. The system, thus, led to an improvement in alignment of the video accuracy by 0.25 to 0.35 mm from 0.40 to 0.55 mm and a decrease in processing time of 11 to 14 frames per second (fps) against 8 to 12 fps of existing solutions.Conclusion: The proposed system is focused on overlaying only on the area to be operated on. Thus, this AR-based study contributes to accuracy in navigation of the deeper anatomical corridors through increased accuracy in positioning of surgical instruments.

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Tracking Accuracy of a Stereo Camera-Based Augmented Reality Navigation System for Orthognathic Surgery

Cited by 33 publications

References 23 publications

Three‐dimensional virtual surgical planning in the oncologic treatment of the mandible

Three‐dimensional virtual surgical planning in the oncologic treatment of the mandible

Review on Augmented Reality in Oral and Cranio-Maxillofacial Surgery: Toward “Surgery-Specific” Head-Up Displays

Augmented reality for narrow area navigation in jaw surgery: Modified tracking by detection volume subtraction algorithm

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