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Seminar presentation on Femto Photography
Femto photography is an advanced imaging technology that can capture images at trillions of frames per second, vastly increasing the capabilities of present technologies that achieve only millions of frames per second. It works by analyzing the echoes and reflections of packets of photons bouncing around objects and allows seeing around corners by exploiting the finite speed of light. Potential applications include collision avoidance, medical imaging like bronchoscopies and cardio scopes, and capturing motion that is beyond the direct line of sight.
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Seminar presentation on Femto Photography
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- 2. Contents Introduction Whatis Femto Photography? Principal Behind the Technology Corner Photography Application Advantages Disadvantages Conclusion 2
- 3. Introduction This technologywas developed by Mr. Ramesh Raskar and his team at the MIT photography lab . The main purpose of developing these technology is to increase the frame capacity “By having the Trillion FRAMES per second.” Where the present pico (10^(-12)) photography is able is produce only 1 million frames per second. 3
- 4. 4 • This photowas taken by Dr. Harold E. Edgerton in 1964. • The duration of the flash in this photo is about 1/3 microseconds. Moments after the Apple is pierced by the .30 Calibre Bullet
- 5. What is FemtoPhotography? Femto photography is the advanced technology of the pico photography It is a new imaging technology which can create a light in a motion Femto photography can visualizes the world around one trillion frames per second 5
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- 7. PRINCIPLE BEHIND THETECHNOLOGY A packet of photons are released which travels around with the speed of the light (Million times faster than ordinary bullet) The motion/scattering of the packet can shows the light in motion Each reflected photons reach the camera at different times (each photon frame can forms a individual raw frame) These frames combine to develop the replica of image 7
- 8. Corner Photography Theseemingly impossible task of recording what is beyond the line of sight is possible due to ultra‐fast imaging. A new form of photography, Femto-photography exploits the finite speed of light and analyzes 'echoes of light'. 8
- 9. Can you look aroundthe corner ?
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- 24. Motion Beyond Lineof Sight
- 25. Advantages This isused to analyze the material properties and faults in industries We can construct the camera which captures more than a million frames per second We can recover the 3 – dimensional shape of the objects which can’t done by present 3-D cameras 25
- 26. Disadvantages We canNOT capture the arbitrary event at pico second time revolution The data of the image captured will be too high The work with the photons may create some health problems 26
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