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1、The History of Remote Sensing,Remote sensing is the acquisition of information about an object or phenomenon, without making physical contact with the object.,the image of Death Valley,New York before 911,The north tower continues to burn after the collapse of the south tower,Remote sensing makes it
2、 possible to collect data on dangerous or inaccessible areas , such as the Amazon Basin, glacial features in Arctic and Antarctic regions, and depth sounding of coastal and ocean depths.,2007 Greek forest fires,The balloonist G. Tournachon (he called himself Nadar) made photographs of Paris from his
3、 balloon in 1858.,Kite Photography A camera is lifted using a kite and is triggered either remotely or automatically to take aerial photographs.,Kite photo of San Francisco after the earthquake of 1906,Pigeon photography is an aerial photography technique invented in 1907 by the German apothecary Ju
4、lius Neubronner, who also used pigeons to deliver medications.,Aerial photography The first photograph from an airplane was taken by Wilbur Wrights passenger, L.P. Bonvillain, on a demonstration flight in France in 1908.,World War I trenches in Europe,And Now,The image from satellite,Thank You,ppt1/
5、2: Remote sensing is the acquisition of information about an object or phenomenon, without making physical contact with the object. In modern usage, the term generally refers to the use of aerial sensor technologies to detect and classify objects on Earth (both on the surface, and in the atmosphere
6、and oceans) by means of propagated signals. ppt2: The left image shows us a full view of Death Valley .The surface color and intensity represents the radar reflection properties of the ground cover. The image is arranged like a map. ppt3: Remote sensing makes it possible to collect data on dangerous
7、 or inaccessible areas. Remote sensing applications include monitoring deforestation in areas such as the Amazon Basin, glacial features in Arctic and Antarctic regions, and depth sounding of coastal and ocean depths. Military collection during the Cold War made use of stand-off collection of data a
8、bout dangerous border areas. Remote sensing also replaces costly and slow data collection on the ground, ensuring in the process that areas or objects are not disturbed. ppt4: Gaspard Felix Tournachon, also known as Nadar, was a famous French photographer and balloonist who carried his bulky cameras
9、 aloft, and took the first known Aerial Photograph in 1858. He photographed the village of Petit Bicetre from 1,200 feet. Also in the same year, Laussedat experimented with a glass plate camera carried aloft by a balloon over Paris.,ppt5: Kites were used for obtaining meteorological data, and in 188
10、2, English meteorologist E. D. Archibald took the first successful photographs from kites. R. Thiele, a Russian government counselor, connected seven unmanned kites and mounted cameras on them. In 1889 he used them for aerial picture taking. His resulting “panaramograph” was useful for cartographic
11、recording and interpretation of remote areas. ppt6: In 1903, Julius Neubronne patented breast-mounted cameras for pigeons. The “mini-metrogon” weighed only 70 grams and took 38 mm negatives, with exposures occurring automatically at 30-second intervals. ppt7: The use of airplanes for photographic re
12、connaissance greatly increased during World War I. In 1914, Lt. Laws of the British Flying Service (RAF - Royal Air Force), took an airplane over enemy territory and got the first aerial photographs of German held territory. He found it difficult to convince the authorities that aerial photographs c
13、ould be put to practical use, but got official support when he brought back photographs of high intelligence value. This resulted in an increase in research and an effort to develop photographic equipment, proper methods of photography, processing, and photo-interpretation. ppt8: The first space pho
14、tographs were taken from V-2 rockets in 1946. In the 1950s, advances in sensor technology moved into the multi-spectra range. Ms. Evelyn Pruitt of the U.S. Office of Naval Research first used the term “remote sensing” in the United States in the 1950s. It is now commonly used to describe the science and art of identifying, observing, and measuring an object without coming into direct contact with it. Thank you!,
