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In modern figure drawing, the basic unit of measurement is the 'head', which is the distance from the top of the head to the chin. This unit of measurement is credited [2] to the Greek sculptor Polykleitos (fifth century BCE) and has long been used by artists to establish the proportions of the human figure.
The term circle of confusion is applied more generally, to the size of the out-of-focus spot to which a lens images an object point. Diffraction effects from wave optics and the finite aperture of a lens determine the circle of least confusion; [ 3 ] the more general usage of 'circle of confusion' for out-of-focus points can be computed purely ...
Perspective distortion takes two forms: extension distortion and compression distortion, also called wide-angle distortion and long-lens or telephoto distortion, [1] when talking about images with the same field size. Extension or wide-angle distortion can be seen in images shot from close using a wide-angle lens (with an angle of view wider ...
Log scales put the data values in terms of a chosen number (the base of the log) to a particular power. The base is often e (2.71828...) or 10. For example, log scales may give a height of 1 for a value of 10 in the data and a height of 6 for a value of 1,000,000 (10 6) in the data. Log scales and variants are commonly used, for instance, for ...
Depending on the type of material, size and geometry of the object, and the forces applied, various types of deformation may result. The image to the right shows the engineering stress vs. strain diagram for a typical ductile material such as steel.
Photograph of two adults standing in an Ames room, apparently with a significant difference in size. An Ames room is a distorted room that creates an optical illusion.Likely influenced by the writings of Hermann Helmholtz, [1] it was invented by American scientist Adelbert Ames Jr. and patented by him in 1940. [2]
Niccol addressed customer concerns over portion sizes in a July 24 second-quarter earnings call, where he said more than 10% of Chipotle’s 3,500 locations had “outlier portion scores” and ...
A serving size or portion size is the amount of a food or drink that is generally served. A distinction is made between a portion size as determined by an external agent, such as a food manufacturer, chef, or restaurant, and a "self selected portion size" in which an individual has control over the portion in a meal or snack. [ 1 ]