Machine learning and deep learning are branches of artificial intelligence consisting of statistical, probabilistic, and optimisation techniques that allow machines to learn from previous observations recorded by humans. These machine learning algorithms, when combined with other technologies, can be used to perform very intuitive yet awkward human-like tasks. Using these algorithms, humans can enable computers to learn about certain things like recognising an object in an image. Prognosis is an important clinical skill, particularly for cancer patients' clinicians, neurooncologists. One of the biggest challenge for AI in prognosis is to verify and validate its models. Unlike diagnosis, the prognosis models are centered on predictive data that usually addresses the patient and not the disease. Prognosis models were developed to aid in the decision-making of patients' treatment.AI can have bigger impact in the health care domain with more healthcare providers using AI to make the first diagnosis and prognosis more accurate and interpretable with the available patient data for better therapy.

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Technology is rapidly improving.The advancements in use have enabled research in previously unexplored areas.These include military, Big Data, Robotics, Blockchain, and other fields. In these areas, we employ AI and machine learning. One might think that AI and ML are the same, but they are not. Artificial intelligence is defined as a computer or robot's ability to perform any task assigned to humans, thereby simplifying our work. Once the work is completed, one must ensure that it is accurate and precise. This was accomplished through Machine Learning, a type of AI. As previously stated, AI and ML use various settings, including the military, hospitals, banking, video games, and others. In this paper, the use of AI and ML is mainly concentrated in the military. As a result, we have focused on the developments of AI and ML in the military rather than the trends of AI and ML in other areas in this chapter. With a basic understanding of how everything works, we provide a brief overview of military operations and developments in a few countries, such as China, Russia,United States

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