"With the advent of Artificial Intelligence, the Internet of Medical Things and Biotechnology, the process of digital health transformation has accelerated, especially with the emergence of the Covid-19 pandemic. New techniques to support diagnosis and new medical tests have emerged. In this way, biomedical images assume an increasing importance. This book presents the principles, main advances and applications related to biomedical imaging: image reconstruction techniques and algorithms, electrical impedance tomography, functional imaging, thermography, mammography, and neuroimaging. Various applications in applied neuroscience and in intelligent systems to support diagnosis by image and by signals represented as images are also presented"--