Compared to other forms of AI they are inexpensive, easy to program and transparent in their actions. This technology performs structured digital tasks for administrative purposes, ie those involving information systems, as if they were a human user following a script or rules. Common surgical procedures using robotic surgery include gynaecologic surgery, prostate surgery and head and neck surgery. 6 Important decisions are still made by human surgeons, however. Surgical robots, initially approved in the USA in 2000, provide вЂsuperpowersвЂ™ to surgeons, improving their ability to see, create precise and minimally invasive incisions, stitch wounds and so forth. Over time, it seems likely that the same improvements in intelligence that we've seen in other areas of AI would be incorporated into physical robots. They are also becoming more intelligent, as other AI capabilities are being embedded in their вЂbrainsвЂ™ (really their operating systems). More recently, robots have become more collaborative with humans and are more easily trained by moving them through a desired task. They perform pre-defined tasks like lifting, repositioning, welding or assembling objects in places like factories and warehouses, and delivering supplies in hospitals. Physical robots are well known by this point, given that more than 200,000 industrial robots are installed each year around the world. As a result, the explanation of the model's outcomes may be very difficult or impossible to interpret. Unlike earlier forms of statistical analysis, each feature in a deep learning model typically has little meaning to a human observer. Their combination appears to promise greater accuracy in diagnosis than the previous generation of automated tools for image analysis, known as computer-aided detection or CAD.Дeep learning is also increasingly used for speech recognition and, as such, is a form of natural language processing (NLP), described below. 5 Both radiomics and deep learning are most commonly found in oncology-oriented image analysis. 4 Deep learning is increasingly being applied to radiomics, or the detection of clinically relevant features in imaging data beyond what can be perceived by the human eye. A common application of deep learning in healthcare is recognition of potentially cancerous lesions in radiology images. There may be thousands of hidden features in such models, which are uncovered by the faster processing of today's graphics processing units and cloud architectures. The most complex forms of machine learning involve deep learning, or neural network models with many levels of features or variables that predict outcomes. It has been likened to the way that neurons process signals, but the analogy to the brain's function is relatively weak. It views problems in terms of inputs, outputs and weights of variables or вЂfeaturesвЂ™ that associate inputs with outputs. 2 The great majority of machine learning and precision medicine applications require a training dataset for which the outcome variable (eg onset of disease) is known this is called supervised learning.ДЄ more complex form of machine learning is the neural network вЂ“ a technology that has been available since the 1960s has been well established in healthcare research for several decades 3 and has been used for categorisation applications like determining whether a patient will acquire a particular disease. In healthcare, the most common application of traditional machine learning is precision medicine вЂ“ predicting what treatment protocols are likely to succeed on a patient based on various patient attributes and the treatment context.

1 It is a broad technique at the core of many approaches to AI and there are many versions of it. Machine learning is one of the most common forms of AI in a 2018 Deloitte survey of 1,100 US managers whose organisations were already pursuing AI, 63% of companies surveyed were employing machine learning in their businesses. Machine learning is a statistical technique for fitting models to data and to вЂlearnвЂ™ by training models with data. Machine learning вЂ“ neural networks and deep learning

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