Abstract
In order to detect esophageal cancers efficiently, we constructed a video input system with a personal computer. The first, images of fluoroscopy are recorded on S-VHS video tapes, and then these images are transferred to the computer for adding some image processing techniques. This system could be applied to most of the routine x-ray TV systems. It is true that fluoroscopic images of the x-ray TV are inferior to it's radiographic ones. We studied how to improve the less quality fluoroscopic images to be equal to radiographic images. For this purpose we used image processing techniques on pictures of the video fluoroscopic image. As the result, it would be beneficial for detection of small pathologic lesion. This trial was succeeded to improve the image quality and beneficial for detection of a small cancer lesion in esophagus. Efficient use of the fluoroscopic image on video tape and decrease of number of radiography at the examination will diminish the patient burden because radiation dose at the radiography is higher than that of the fluoroscopy. We believe our system will be widely used to the gastrointestinal examinations in near future.
