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History of Medicine

FAQs
Images from the History of Medicine (IHM)


Question: What does the resolution size number mean in the record?
Answer:

Resolution size defines the largest derivative you can zoom in on an image in IHM. The number of derivatives that can be created from a source image depends on the size of the image. The larger the source image, the higher the number of derivatives that can be created. Derivatives range from size 0 to size 8 and correspond to the following pixel sizes:

size 0= up to 96 pixels
size 1= up to 192 pixels
size 2= up to 384 pixels
size 3= up to 768 pixels
size 4= up to 1536 pixels
size 5= up to 3072 pixels
size 6= up to 6144 pixels
size 7= up to 12288 pixels
size 8= up to 24576 pixels


Related Questions:
FAQs - Images from the History of Medicine (IHM)

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http://www.nlm.nih.gov/hmd/about/faqs/ihmfaqs/resolution-size.html