Tag Archives: scale

There is no home like place

“Airbnb is a global hotel filled with the same recurring items. Bed, chair, potted plant, all catered to our cosmopolitan sensibilities. We end up in a place that’s completely interchangeable; a room is a room is a room. An algorithm finds these recurring items and replaces them with the same items from other listings. By […]

Database populism

Although early users of database technology were predominantly large institutions, the database was also a key technology in the populist vision of personal computing generated by microcomputer fans, researchers, hobbyists, and entrepreneurs in the 1970s and 1980s. Informed by science fiction sensitive to the authoritarian use of database technology, these personal computing advocates hoped that […]

Regression = prediction

[…] these sorts of problems break down into two types: regression problems, in which you need to predict some number, such as weight, given a bunch of other numbers, such as height; and classification problems, in which you need to assign a label, such as spam, given a bunch of numbers, for examples word counts […]

Canonical scale-space

  The motivation for generating a scale-space representation of a given data set originates from the basic observation that real-world objects are composed of different structures at different scales. This implies that real-world objects, in contrast to idealized mathematical entities such as points or lines, may appear in different ways depending on the scale of […]