4.7 Article

Automatic generation of pathological benchmark dataset from hyperspectral images of double stained tissues

期刊

OPTICS AND LASER TECHNOLOGY
卷 163, 期 -, 页码 -

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ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2023.109331

关键词

Pathology dataset; Automatic annotation; Microscopic hyperspectral imaging; Deep learning; Double stain

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Artificial intelligence is widely used in digital pathology diagnosis, but it heavily relies on high-quality annotated datasets, which are time-consuming and expensive to create. This paper proposes a new strategy using hyperspectral images to generate annotated pathological benchmark datasets. The method uses a Spatial-Spectral Hyperspectral GAN to transform hyperspectral images into standard histological images, and combines gradient boosting decision tree and graph-cut method to automatically generate annotations. The results show promising performance in generating completely annotated pathology benchmark datasets.
Artificial intelligence has been widely used for digital pathology diagnosis. However, the AI performance highly relies on the high-quality annotated datasets, pathological images need to be labeled by experienced pathologists manually, which is time consuming, laborious and expensive. In addition, small lesion areas are usually missed by human eyes, directly influencing the performance of those identification models trained by the data. This paper presents a new strategy for generating annotated pathological benchmark dataset from microscopic hyperspectral images of HE-CAM5.2 stained tissues. We design a Spatial-Spectral based Hyperspectral GAN (SSHGAN), which transforms hyperspectral images into standard histological images using networks trained by the cycle consistent adversarial model. Gradient boosting decision tree integrated with graph-cut method is used to automatically generate the annotations by adding the spectral prior. The proposed strategy can obtain both the standard H&E images and the corresponding annotation files simultaneously using spatial and spectral information of hyperspectral images. The methods have been tested on gastric cancer, lung adenocarcinoma, intrahepatic cholangiocarcinoma, and colorectal cancer tissues and evaluated by segmentation networks and experienced pathologists. Experimental results show that the proposed methods have desirable performance on small tumor targets and discrete regions, which is promising in automatically generating completely annotation pathology benchmark datasets.

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