Method and device for detecting image nodules

Abstract

The invention discloses a method and a device for detecting image nodules, which comprises the following steps: obtaining a nodular image and a three-dimensional coordinate of a candidate nodule in the nodular image; determining ROI containing the candidate nodule from the nodule image according to the three-dimensional coordinate of the candidate nodule; determining the confidence coefficient ofthe candidate nodule according to the ROI and a nodule detection model; filtering out a false-positive candidate module in the candidate nodule, the confidence coefficient of which is greater than thethreshold according to the candidate nodule, the confidence coefficient of which is greater than the threshold, a segmentation result of the body part where the candidate nodule is located and the three-dimensional coordinate of the candidate nodule; and determining the nodule in the nodular image and the confidence coefficient corresponding to the nodule. The convolutional neural network is usedfor training the nodule image of the marked nodule region to obtain the nodule detection model; the ROI is input to the nodule detection model to obtain the confidence coefficient of the candidate nodule; the nodule detection efficiency is improved; and the false-active nodule is filtered out after the nodule is detected, thereby improving the nodule detection accuracy.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of machine learning, and in particular to a method and device for image nodule detection. Background technique [0002] At present, nodules have attracted widespread attention, such as pulmonary nodules, thyroid nodules, etc. Doctors generally observe the condition of nodules in patients by means of medical imaging. Due to the growth of time, the patient's nodules may change, for example, increase, decrease, or grow new nodules and so on. At present, the way to find nodules from medical images is mainly to find the corresponding nodules in the medical images through manual observation of medical images by doctors, but this situation will lead to low accuracy of the nodules found, and also It will take a lot of time and there is a lot of subjectivity. Contents of the invention [0003] Embodiments of the present invention provide a method and device for image nodule detection, which ...

AI Technical Summary

Problems solved by technology

At present, the way to find nodules from medical images is mainly to find the corresponding nodules in the medical images through manual observation of medical images by doctors, but this situation will lead to low accuracy of the nodules found, and also Will consume a lot of time, and there is a lot of subjectivity

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