1、Landmark Localisation in 3D Medical Images

yuanwei1989/landmark-detection

This software implements a Convolutional Neural Network (CNN) for automatic simultaneous localisation of multiple landmarks in 3D medical images (eg. fetal head ultrasound).

Tensorflow implementation of the MICCAI 2018 paper Fast Multiple Landmark Localisation Using a Patch-based Iterative Network.

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2、Medical-Detection3d-Toolkit

qinliuliuqin/Medical-Detection3d-Toolkit

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3、Robust-Teeth-Detection-in-3D-Dental-Scans

tiborkubik/Robust-Teeth-Detection-in-3D-Dental-Scans

Robust Teeth Detection in 3D Dental Scans by Automated Multi-View Landmarking

This repository is the official implementation of link tbd presented at BIOIMAGING '22 Conference.

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Abstract
Landmark detection is frequently an intermediate step in medical data analysis. More and more often, these data are represented in the form of 3D models. An example is a 3D intraoral scan of dentition used in orthodontics, where landmarking is notably challenging due to malocclusion, teeth shift, and frequent teeth missing. What’s more, in terms of 3D data, the DNN processing comes with high memory and computational time requirements, which do not meet the needs of clinical applications. We present a robust method for tooth landmark detection based on a multi-view approach, which transforms the task into a 2D domain, where the suggested network detects landmarks by heatmap regression from several viewpoints. Additionally, we propose a post-processing based on Multi-view Confidence and Maximum Heatmap Activation Confidence, which can robustly determine whether a tooth is missing or not. Experiments have shown that the combination of Attention U-Net, 100 viewpoints, and RANSAC consensus method is able to detect landmarks with an error of 0.75 ± 0.96 mm. In addition to the promising accuracy, our method is robust to missing teeth, as it can correctly detect the presence of teeth in 97.68% cases.