AVALIAÇÃO DE CURVAS CARACTERÍSTICAS DE SISTEMAS ELETRÔNICOS DE AQUISIÇÃO DE IMAGENS DIGITAIS EM MAMOGRAFIA
AVALIAÇÃO DE CURVAS CARACTERÍSTICAS DE SISTEMAS ELETRÔNICOS DE AQUISIÇÃO DE IMAGENS DIGITAIS EM MAMOGRAFIA
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DOI: 10.22533/at.ed.9062327097
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Palavras-chave: mamografia digital, constraste, curva característica, sistema de registro da imagem.
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Keywords: digital mammography, contrast, characteristic curve, imaging system.
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Abstract: Among the main factors that interfere with the detection and classification of breast lesions in a mammographic image, contrast stands out. Depending on the image acquisition characteristics during exposure, it can affect the visualization and interpretation of structures, such as nodules, especially in breasts classified as dense. Since the process of acquiring digital mammographic images has a decisive influence on the accuracy of the diagnosis, obtaining relevant and high-quality information about this process is essential to enable the development of computational tools that assist in improving image quality. Therefore, understanding the behavior of the characteristic curve of the registration system, which provides the relationship between the system's response and the incident radiation intensity, is a relevant factor for analyzing the contrast of the digital image. Thus, this study describes an investigation on current electronic recording systems for digital mammographic imaging in order to determine their characteristic curves and establish a comparison between curves for raw and post-processed images for different DR-type digital mammography equipment.
- Carolina Paiva Santos
- Homero Schiabel