Revisão sobre abordagens multimodais de imagem no domínio da frequência espacial

Abstract

The concept of multimodal imaging encompasses the integration of one or more imaging methods to achieve a more comprehensive understanding of biological systems. The use of multimodal imaging is of great significance when applied in the field of medicine, specifically in the domains of oncology, cardiology, and neuropsychiatry. This present work provides a literature review on multimodal imaging approaches in the spatial frequency domain (SFDI), used in studies of optical characterization of biological tissues. The main objective is to conduct a review and synthesis of the techniques found, aiming to identify areas of convergence and divergence of the methods used in the reviewed studies with their respective non-multimodal counterparts, as well as to propose practical recommendations for the scientific community based on the reviewed findings. The studies included in this review were limited to internationally published research between the years 2017 and 2023. A systematic search was conducted across various databases, and studies were selected based on their relevance through the reading of titles and abstracts, followed by a full reading. The obtained results were analyzed, emphasizing the main contributions and limitations of multimodal imaging approaches in the spatial frequency domain. It was concluded that in diffuse optics, using SFDI in conjunction with other techniques can enhance the accuracy and efficiency of medical diagnostics.