Cardiology

Machine learning uses lung cancer scans to predict heart damage

As patients with lung cancer live longer, the risk of long-term cardiac side effects of radiation therapy has been increasing, despite advances that reduce the radiation dose to the heart. New research uses machine learning ...

Oncology & Cancer

Deep learning shows promise for soft tissue sarcoma management

Soft tissue sarcomas (STSs) represent a diverse group of tumors that pose significant diagnostic and therapeutic challenges. In a recent review published in the journal Meta-Radiology, a team of researchers from The Second ...

Gastroenterology

Who's to blame when AI makes a medical error?

In the realm of gastrointestinal (GI) endoscopy, artificial intelligence (AI) is becoming an essential tool, especially in the computer-aided detection of precancerous colon polyps during screening colonoscopy. This integration ...

Radiology & Imaging

Low-cost MRI paired with AI produces high-quality results

A magnetic resonance imaging device built with off-the-shelf parts and paired with AI matched the performance of high-end MRI machines, according to a study published Thursday that could pave the way for greater access to ...

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Algorithm

In mathematics, computing, linguistics, and related subjects, an algorithm is a finite sequence of instructions, an explicit, step-by-step procedure for solving a problem, often used for calculation and data processing. It is formally a type of effective method in which a list of well-defined instructions for completing a task, will when given an initial state, proceed through a well-defined series of successive states, eventually terminating in an end-state. The transition from one state to the next is not necessarily deterministic; some algorithms, known as probabilistic algorithms, incorporate randomness.

A partial formalization of the concept began with attempts to solve the Entscheidungsproblem (the "decision problem") posed by David Hilbert in 1928. Subsequent formalizations were framed as attempts to define "effective calculability" (Kleene 1943:274) or "effective method" (Rosser 1939:225); those formalizations included the Gödel-Herbrand-Kleene recursive functions of 1930, 1934 and 1935, Alonzo Church's lambda calculus of 1936, Emil Post's "Formulation 1" of 1936, and Alan Turing's Turing machines of 1936–7 and 1939.

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