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   sci.misc      Short-lived discussions on subjects in t      3,627 messages   

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   Message 2,142 of 3,627   
   Huge to JAB   
   Re: A.I. Versus M.D.   
   04 Apr 17 09:05:13   
   
   From: Huge@nowhere.much.invalid   
      
   On 2017-04-04, JAB  wrote:   
   > Note - Long essay   
   >   
   >   
   >   
   > Siddhartha Mukherjee wrote a recent piece in New Yorker called "What   
   > happens when diagnosis is automated?"   
   >   
   > Annals of Medicine  April 3, 2017 Issue   
   > A.I. Versus M.D.   
   > What happens when diagnosis is automated?   
   >   
   > Snipped   
   >   
   > In June, 2015, ThrunÂ’s team began to test what the machine had learned   
   > from the master set of images by presenting it with a "validation   
   > set": some fourteen thousand images that had been diagnosed by   
   > dermatologists (although not necessarily by biopsy). Could the system   
   > correctly classify the images into three diagnostic categories—benign   
   > lesions, malignant lesions, and non-cancerous growths? The system got   
   > the answer right seventy-two per cent of the time. (The actual output   
   > of the algorithm is not "yes" or "no" but a probability that a given   
   > lesion belongs to a category of interest.) Two board-certified   
   > dermatologists who were tested alongside did worse: they got the   
   > answer correct sixty-six per cent of the time.   
      
   They did well. According to my dermatologist friend, the correct diagnosis   
   rate by visual inspection is about 50:50.   
      
   --   
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