Portable Colposcope Design for Spherical Reflection Removal

Colposcope design is crucial for accurate diagnosis and treatment of cervical abnormalities. Portable colposcope is made to perform a practical examination for cervical cancer. Replaceable and rechargeable batteries are included in this colposcope. As a result, there is no need for an external power source for turning on this colposcope. This makes the colposcope portable. Along with portability, key elements in colposcope design include the optical system and lighting. Specular reflections may be present in the cervical area image and it covers some areas of the cervix. An existing method to reduce specular reflection is image preprocessing. However, with this method, the pixels of the cervical area covered by the specular reflection will be replaced with pixels around the reflection. Consequently, the cervix’s surface area covered by specular reflection is not actual data. This can be solved with a cross-polarizing filter system. Polarizing filter for a colposcope camera is a valuable accessory that removes unwanted reflections and glare during colposcopy procedures. Based on the results, cross polarizing filter on colposcope can reduce light by 92.44%.