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Generating diagnostic report for medical image by high-middle-level visual information incorporation on double deep
Xianhua Zeng1, Li Wen1, Yang Xu1
1Chongqing Key Laboratory of Image Cognition, College of Computer Science and Technology, Chongqing University of Posts and Telecommunication, Chongqing 400065, China.
Background And Objectives:
Writing diagnostic reports for medical images is a heavy and tedious work. The automatic generation of medical image diagnostic reports can assist doctors to reduce their workload and improve diagnosis efficiency. It is of great significance to introduce image caption algorithm into medical image processing. Existing approaches attempt to generate medical image diagnostic reports using image caption algorithms but without taking the accuracy of pathological information in generated diagnostic reports into account.
Methods:
To solve the mentioned problem, we propose a Semantic Fusion Network (SFNet) including a lesion area detection model and a diagnostic generation model. The lesion area detection model can extract visual and pathological information from medical image, and the diagnostic report generation model can learn to fuse the two kinds of information to generate reports. Thus, the pathological information in the generated diagnostic reports can be more accurate.
Results:
Experimental results have verified the performance of our model (Accuracy increases 1.2% on the Ultrasound Image Dataset and 2.4% on the Open-i X-ray Image Dataset), compared with the model only using visual feature to generate diagnostic reports.
Conclusions:
This work utilizes computer algorithms to generate the more accurate diagnostic reports for medical images automatically, which expands the application of computer-aided diagnosis and promotes the implementation of deep learning in the medical image analysis field.