European legislation provides that each product used for healthcare purposes be regulated according to specific directives and regulations based on its intended use mechanism of action. However, qualification issues may arise medical devices, their accessories, medicinal products. This is the case with gases spirometry, which support spirometers in measuring patients’ pulmonary capacities. arti...

We present a new clustering algorithm called k-means-u* which in many cases is able to significantly improve the clusterings found by k-means++, the current de-facto standard for clustering in Euclidean spaces. First we introduce the k-means-u algorithm which starts from a result of k-means++ and attempts to improve it with a sequence of non-local “jumps” alternated by runs of standard k-means....

Research has long recognized that many biases and shortcomings of humans severely limit their ability to accurately detect deception, and this may lead to great risks in government or military operations. One possible method to improve humans’ deception detection ability is to train them to recognize cues of deception. To do this, we need to create effective training curricula and educational t...

UNLABELLED Pattern recognition is a key tool that enables radiologists to evoke certain diagnoses based on a radiologic appearance. In Shakespeare's Hamlet, Polonius tells his son Laertes to dress well because "apparel oft proclaims the man"; this phrase is now expressed in modern parlance as "the clothes maketh the man". Similarly in radiology, appearances are everything, and in the case of ra...