Search results
Results from the WOW.Com Content Network
The advantage of high-altitude aerial photography is that it can record the information of a larger area by taking one photograph only. [5] However, high-altitude photographs cannot show as many details as low-altitude photographs since some objects, such as buildings, roads, and infrastructures, are of a very tiny in size in the image.
The ability of a person with normal visual acuity to see fine details is determined by contrast sensitivity. [3] Contrast sensitivity is the reciprocal of the smallest contrast for which a person can see a sine-wave grating. A person's contrast sensitivity function is contrast sensitivity as a function of spatial frequency.
The central visual element, known as element of design, formal element, or element of art, constitute the vocabulary with which the visual artist compose. These elements in the overall design usually relate to each other and to the whole art work. The elements of design are: Line — the visual path that enables the eye to move within the piece
An orthophotomosaic is a raster image mosaic made by merging or stitching orthophotos. The aerial or satellite photographs have been transformed to correct for perspective so that they appear to have been taken from vertically above at an infinite distance. [3] Google Earth images are of this type.
[7] The rule of thirds suggests that the subject's eyes, as a centre of interest, are ideally positioned one-third of the way down from the top of the frame. [8] With a subject placed one-third of the way down from the top of the frame, the subject aligns with the proper headroom to make an image pleasing to the eye.
A digital image is an image composed of picture elements, also known as pixels, each with finite, discrete quantities of numeric representation for its intensity or gray level that is an output from its two-dimensional functions fed as input by its spatial coordinates denoted with x, y on the x-axis and y-axis, respectively. [1]
The first permanent photograph, a contact-exposed copy of an engraving, was made in 1822 using the bitumen-based "heliography" process developed by Nicéphore Niépce.The first photographs of a real-world scene, made using a camera obscura, followed a few years later at Le Gras, France, in 1826, but Niépce's process was not sensitive enough to be practical for that application: a camera ...
The use of alternating over the shoulder shots contrasts with the use of single person shots during a conversation, with one person shown then the other, then the first, then the second, etc., throughout a conversation. This method does not establish a spatial relationship between the two persons.