![ct scan master ct scan master](https://www.hopkinsmedicine.org/sebin/n/f/ct.jpg)
The images are collected from COVID19-related papers from medRxiv, bioRxiv, NEJM, JAMA, Lancet, etc. The meta information (e.g., patient ID, patient information, DOI, image caption) is in COVID-CT-MetaInfo.xlsx Images-processed/CT_NonCOVID.zipĭata split information see README for DenseNet_predict.md The COVID-CT-Dataset has 349 CT images containing clinical findings of COVID-19 from 216 patients. Second, while it is preferable to read a sequence of CT slices, oftentimes a single-slice of CT contains enough clinical information for accurate decision-making.
![ct scan master ct scan master](https://img.medscapestatic.com/pi/meds/ckb/73/38573tn.jpg)
Likewise, the quality gap between CT images in papers and original CT images will not largely hurt the accuracy of diagnosis. For example, given a photo taken by smart phone of the original CT image, experienced radiologists can make an accurate diagnosis by just looking at the photo, though the CT image in the photo has much lower quality than the original CT image. First, experienced radiologists are able to make an accurate diagnosis from low quality CT images. According to the radiologist, the issues raised in these concerns do not significantly affect the accuracy of diagnosis decision-making. We consulted the aforementioned radiologist at Tongji Hospital regarding these two concerns. Second, the original CT scan contains a sequence of CT slices, but when put into papers, only a few key slices are selected, which may have negative impact on diagnosis as well. The quality degradation includes: the Hounsfield unit (HU) values are lost the number of bits per pixel is reduced the resolution of images is reduced.
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First, when the original CT images are put into papers, the quality of these images is degraded, which may render the diagnosis decisions less accurate. The major concerns are summarized as follows. COVID-CT The utility of this dataset has been confirmed by a senior radiologist in Tongji Hospital, Wuhan, China, who has performed diagnosis and treatment of a large number of COVID-19 patients during the outbreak of this disease between January and April.Īfter releasing this dataset, we received several feedbacks expressing concerns about the usability of this dataset.