Recently, the world record of the international authoritative pulmonary nodule detection contest LUNA16 was broken by a Chinese company. Alibaba Cloud ET won the world championship with an average recall rate of 89.7%. This technical breakthrough was completed by the Alibaba iDST visual computing team. It has been integrated into the brain of Aliyun ET Medical . (LUNA16 latest official website ranking) The contest requires players to analyze 888 lung CT samples to find the lung nodules. The sample contains 1186 lung nodules, more than 75% are small nodules less than 10mm, and finally, ET is at 7 different false positive rates. The average recall rate of lung nodules found was 89.7%, exceeding the second place by 0.2%. (FROC curve) The recall rate refers to the proportion of nodules successfully found in the sample data. The above figure shows the recall rate of ET under different false positives. In the game, Aliyun ET Medical Brain overcomes a series of challenges: complex nodule modalities, early nodules are small (less than 10mm), traditional machine learning and deep learning networks for natural images are often difficult to work with. Alibaba iDST visual computing team leader Hua Xiansheng introduced, unlike the commonly used two-stage detection method, they innovatively used a single-stage method, the whole process without manual intervention, the machine automatically reads the patient's CT sequence, direct output detection To the lung nodules. In the design of model structure, ET uses multi-channel, heterogeneous three-dimensional convolution fusion algorithm for the characteristics of CT slices, and effectively utilizes the complementarity of multiple heterogeneous models to process and detect CT sequences of lung nodules in different morphologies. The sensitivity to different scale lung nodules has been improved; the network with deconvolution structure and the training strategy of multi-task learning have been used to improve the accuracy of detection. Hua Xiansheng is an international authoritative scholar in the field of visual identity and search. He was elected as an Fellow of the International Institute of Electrical and Electronic Engineering (IEEE Fellow) and an outstanding scientist of the American Computer Society ACM. Operating Room Products,Surgical Adhesive Drape Sheet,Safety Surgical Gowns,Custom Banded Bags Zhende Medical Co.,Ltd , https://www.zdmedicalproducts.com
Alibaba Cloud Artificial Intelligence ET won the world championship of pulmonary nodule diagnosis