DERMOSCOPIC DATA ACQUISITION EMPLOYING DISPLAY ILLUMINATION
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Abstract
In one arrangement, a smartphone camera gathers skin imagery while controlled spectral illumination is emitted from the smartphone display. In a particular embodiment, differently colored bands move across a darkened screen to illuminate the skin from different angles as plural images are being captured. The collection of imagery from different viewing angles, with different spectral illumination, and different illumination angles, can provide imagery (including composite imagery) useful in manual or automated dermoscopic analysis. A great variety of other features and arrangements are also detailed.
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Citations
45 Claims
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1-29. -29. (canceled)
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30. A method employing a portable device that includes both a camera and a display screen, the method comprising the acts:
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presenting a first illumination from the device display screen to a subject at a first time; capturing a first image of said subject with the device camera while presenting said first illumination; presenting a second, different illumination from the device display screen to the subject at a second time; and capturing a second image of said subject with the device camera while presenting said second illumination; wherein neither said first nor said second illumination comprises a viewfinder rendering of captured imagery. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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37-41. -41. (canceled)
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42. A dermal imaging method employing a portable device that is moved to plural different viewpoint positions relative to a skin location, the method comprising the acts:
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at a first of said plural viewpoint positions, illuminating the skin location with light of a first spectrum from the portable device, and capturing imagery of the skin location illuminated with said light of the first spectrum using the portable device; at a second of said plural viewpoint positions, illuminating the skin location with light of a second spectrum from the portable device, and capturing imagery of the skin location illuminated with said light of the second spectrum using the portable device; wherein said skin location is imaged by the portable device from plural different viewpoint positions and with plural different illumination spectra. - View Dependent Claims (43)
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44. A method of imaging a skin location using a portable device, the method comprising the acts:
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illuminating the skin location with light of a first spectrum from a first region of a display of the portable device, and capturing imagery of the skin location illuminated with said light of the first spectrum using the portable device; illuminating the skin location with light of a second spectrum from a second region of the display of the portable device, and capturing imagery of the skin location illuminated with said light of the second spectrum using the portable device; wherein imagery of the skin location is captured by the portable device with plural different illumination angles and plural different illumination spectra.
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45-58. -58. (canceled)
Specification