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William Henry Fox Talbot (/ ˈ t ɔː l b ə t /; 11 February 1800 – 17 September 1877) was an English scientist, inventor, and photography pioneer who invented the salted paper and calotype processes, precursors to photographic processes of the later 19th and 20th centuries.
The effect exaggerates the contrast between edges of the slightly differing shades of gray as soon as they separate, by triggering edge-detection in the human visual system. [ 8 ] [ 32 ] More clearly than anyone before or since, Mach made the distinction between what he called physiological (specifically visual ) and geometrical spaces.
View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
Kirlian photograph of two coins. Kirlian photography is a collection of photographic techniques used to capture the phenomenon of electrical coronal discharges.It is named after Soviet scientist Semyon Kirlian, who, in 1939, accidentally discovered that if an object on a photographic plate is connected to a high-voltage source, an image is produced on the photographic plate. [1]
1986 – Kodak scientists invent the world's first megapixel sensor. 1987 Canon releases the first camera for its fully electronic autofocus EF lens mount, the EOS 650 [20] Photoshop developed by Thomas and John Knoll; 1990 — Adobe Photoshop 1.0 released on February 19, for Macintosh exclusively. [21] [22] 1992 – Photo CD created by Kodak. [23]
Hans Jenny (16 August 1904 in Basel – 23 June 1972 in Dornach) [1] was a Swiss physician and natural scientist who coined the term "cymatics" to describe acoustic effects of sound wave phenomena. Life and career
The camera obscura was known to the ancient Chinese, and was described by the Han Chinese polymath Shen Kuo in his scientific book Dream Pool Essays, published in the year 1088 C.E. Aristotle had discussed the basic principle behind it in his Problems, but Alhazen's work contained the first clear description of camera obscura.
The fundamental technology of most photography, whether digital or analog, is the camera obscura effect and its ability to transform of a three dimensional scene into a two dimensional image. At its most basic, a camera obscura consists of a darkened box, with a very small hole in one side, which projects an image from the outside world onto ...