Breast Cancer Detection by Absolute Temperature Thermography and Computer Techniques
Absolute temperature thermography (ATT) is the measurement and quantitative representation of thermal radiation emitted at the skin surface. Accurate thermal data are obtained by calibrating a precise radiometric infrared scanner against a set of constant-temperature sources and subsequent digitization. From absolute temperature data variables representing diagnostic features are developed. The variables are utilized in developing classification algorithms which will assign subjects into a normal or cancer class. The ATT approach described here is new and is the basis of a three-phase research program aimed at developing a safe and effective system for mass screening for breast cancer.
During the early months of data collection, when video digitizers providing on-line capability were not available, data collection was limited to recording four basic temperature measurements for each breast. A sample composed of 180 normal and 45 cancer subjects was used to train and test the initial classifier. This preliminary study confirmed that diagnostic information is contained in absolute temperature measurements. The pertinent features and results of this early effort are discussed.
KeywordsBreast Cancer Allocation Rule Breast Cancer Detection Cancer Subject Cancer Class
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