Abstract: Examining radiology images, such as X-Ray images as accu- rately as possible, forms a crucial step in providing the best healthcare facilities. However, this requires high expertise and clinical experience. Even for experienced radiologists, this is a time-consuming task. Hence, the automated generation of accurate radiology reports from chest X- Ray images is gaining popularity. However, compared to other image captioning tasks, where coherence is the key criterion, we need coher- ence and high accuracy in detecting medical anomalies and information in the medical domain. That is, the report must be easy to read and con- vey medical facts accurately. To achieve this, we propose a deep neural network. Given a set of Chest X-Ray images of the patient, the proposed network predicts the medical tags and generates a readable radiology report. For generating the report and tags, the proposed network learns to extract salient features of the image from a deep CNN and generates tag embeddings for each patient's X-Ray images. We use transformers for learning self and cross attention. We encode the image and tag fea- tures with self-attention to get a ner representation. Use both the above features in cross attention with the input sequence to generate the re- port's Findings. Then, cross attention is applied between the generated Findings and the input sequence to generate the report's Impressions. For evaluating the proposed network, we use a publicly available dataset. The performance indicates that we can generate a readable radiology report, with a relatively higher BLEU score over SOTA.
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Hierarchical X-Ray Report Generation via Pathology tags and Multi Head Attention
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