Technologies
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WARF: P06477US

Imaging Spectrometer for Early Detection of Skin Cancer


INVENTORS -

Andrew Sheinis

The Wisconsin Alumni Research Foundation (WARF) is seeking commercial partners interested in developing a portable cancer detection system with improved imaging characteristics.
OVERVIEWSkin cancer detection is typically identified via standard visual inspection. Skin patches with asymmetrical outlines, irregular borders, mottled color or a diameter greater than six millimeters are all early indicators of possible cancerous areas.

However, some skin cancers cannot be detected by visual inspection because they appear in light frequency bands other than the three bands visible to the human eye. For this reason, spectral information can be collected and analyzed to improve the early detection of skin cancer.

Currently, two techniques are used for spectrally imaging tissue. One method uses different frequencies of light, while the other uses a moveable scanning slit. In both cases, the imaging process is delayed, either by the need to switch between colors of light or by the need to scan a slit over the area of interest. This delay can cause the image reference points and light spectrum to become skewed, a problem that can be further exacerbated if movement occurs during the acquisition process. Additionally, the moving parts of current scanning devices make them cumbersome and unreliable, particularly for portable applications. New techniques for spectrally imaging tissue are needed.
THE INVENTIONA UW-Madison researcher has developed a portable imaging spectrometer for the early detection of skin cancer. A handheld scanner uses light emitting diodes to illuminate a region of skin and the reflected light is collected by an objective lens. A micro-lens array then divides the region into smaller images that are processed to reveal their spectral content.

Because spectral and image data are acquired in one step, this new device provides two effective indicators to detect skin cancer. Physicians can evaluate the image data while the spectral data is compared to spectra of known cancerous or healthy regions.
APPLICATIONS
  • Skin cancer detection
KEY BENEFITS
  • Acquires high resolution spectral and image data in one step
  • Acquires a single image with as many as 256 colors
  • Avoids image distortion
  • Does not require moving components
  • Device is rugged and handheld.
  • Samples all tissue within mapped region, so that small areas of cancer are not missed
  • Accentuates regions with cancerous features
  • Image is easily reviewed and evaluated by a physician.
  • Image processing may take place within device or in a remote computer connected by a cable or wireless system.
Contact Information
For current licensing status, please contact Jeanine Burmania at jeanine@warf.org or 608-960-9846.
The WARF Advantage

Since its founding in 1925 as the patenting and licensing organization for the University of Wisconsin-Madison, WARF has been working with business and industry to transform university research into products that benefit society. WARF intellectual property managers and licensing staff members are leaders in the field of university-based technology transfer. They are familiar with the intricacies of patenting, have worked with researchers in relevant disciplines, understand industries and markets, and have negotiated innovative licensing strategies to meet the individual needs of business clients.