Preliminary Remarks
This course provides a general overview of photogrammetry, its theory and general
working principles with an emphasis on concepts rather than detailed operational knowledge.
Photogrammetry is an engineering discipline and as such heavily influenced by
developments in computer science and electronics. The ever increasing use of computers
has had and will continue to have a great impact on photogrammetry. The discipline is,
as many others, in a constant state of change. This becomes especially evident in the
shift from analog to analytical and digital methods.
There has always been what we may call a technological gap between the latest
findings in research on one hand and the implementation of these results in manufactured products; and secondly between the manufactured product and its general use in
an industrial process. In that sense, photogrammetric practice is an industrial process.
A number of organizations are involved in this process. Inventions are likely to be
associated with research organizations, such as universities, research institutes and the
research departments of industry. The development of a product based on such research
results is a second phase and is carried out, for example, by companies manufacturing
photogrammetric equipment. Between research and development there are many similarities, the major difference being the fact that the results of research activities are
not known beforehand; development goals on the other hand, are accurately defined in
terms of product specifications, time and cost.
The third partner in the chain is the photogrammetrist: he daily uses the instruments
and methods and gives valuable feedback to researchers and developers. Fig. 1.1 illustrates the relationship among the different organizations and the time elapsed from the
moment of an invention until it becomes operational and available to the photogrammetric practice.
Analytical plotters may serve as an example for the time gap discussed above.
Invented in the late fifties, they were only manufactured in quantities nearly twenty
years later; they are in wide spread use since the early eighties. Another example
Preliminary RemarksThis course provides a general overview of photogrammetry, its theory and generalworking principles with an emphasis on concepts rather than detailed operational knowledge.Photogrammetry is an engineering discipline and as such heavily influenced bydevelopments in computer science and electronics. The ever increasing use of computershas had and will continue to have a great impact on photogrammetry. The discipline is,as many others, in a constant state of change. This becomes especially evident in theshift from analog to analytical and digital methods.There has always been what we may call a technological gap between the latestfindings in research on one hand and the implementation of these results in manufactured products; and secondly between the manufactured product and its general use inan industrial process. In that sense, photogrammetric practice is an industrial process.A number of organizations are involved in this process. Inventions are likely to beassociated with research organizations, such as universities, research institutes and theresearch departments of industry. The development of a product based on such researchresults is a second phase and is carried out, for example, by companies manufacturingphotogrammetric equipment. Between research and development there are many similarities, the major difference being the fact that the results of research activities areไม่ทราบมาก่อน เป้าหมายการพัฒนาในทางกลับกัน จะแม่นยำ defined ในเงื่อนไขของผลิตภัณฑ์ specifications เวลา และต้นทุนคู่ที่สามในการเป็น photogrammetrist การ: ทุกวันทำให้เขาใช้เครื่องมือและวิธีและให้มีผลป้อนกลับของนักวิจัยและนักพัฒนา Fig. 1.1 แสดงความสัมพันธ์ระหว่างองค์กรต่าง ๆ และเวลาผ่านไปจากการช่วงเวลาของการประดิษฐ์จนกระทั่งมันกลายเป็นการดำเนินงาน และมีการฝึกสมกับวิเคราะห์ก่ออาจทำหน้าที่เป็นตัวอย่างในช่วงเวลาที่กล่าวถึงข้างต้นคิดค้นใน fifties สาย พวกเขามีเฉพาะผลิตในปริมาณเกือบยี่สิบปี อยู่ในทั้งใช้แพร่กระจายตั้งแต่อันดับต้น อีกตัวอย่างหนึ่ง
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