drexel_darwin_kinect
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drexel_darwin_kinect [2016/11/06 13:02] – dwallace | drexel_darwin_kinect [2016/11/06 19:47] (current) – dwallace | ||
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Based on this video, the Kinect IR (Infrared) emitter emits the IR rays and the receiver takes in these values. | Based on this video, the Kinect IR (Infrared) emitter emits the IR rays and the receiver takes in these values. | ||
- | {{#ev:youtube|CIkscN6nXcE}}\\ | + | {{youtube>CIkscN6nXcE?large}}\\ |
Based on [[http:// | Based on [[http:// | ||
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The picture below, taken from [[http:// | The picture below, taken from [[http:// | ||
- | {{dylanw:Solar_Spectrum.png}}\\ | + | {{dylanw:solar_spectrum.png}}\\ |
Thus the camera cannot work like it should in direct sun light as there are IR rays in the sun that may be going to interfere with | Thus the camera cannot work like it should in direct sun light as there are IR rays in the sun that may be going to interfere with | ||
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===== Experiment under sunlight ===== | ===== Experiment under sunlight ===== | ||
- | Using [[www.ros.org/wiki/ | + | Using [[http://wiki.ros.org/ |
- | {{#ev:youtube|9q-4LgKj0v0}}\\ | + | {{youtube>9q-4LgKj0v0?large}}\\ |
However, when the Kinect transits to the shaded area, the depth image starts to register and the mapping can proceed. | However, when the Kinect transits to the shaded area, the depth image starts to register and the mapping can proceed. | ||
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The video below shows a scene taken on a cloudy day of 15000 lux. Something to note is that the camera is stationary but there is constant mapping and re-mapping. The reason is because different depth images are being registered. The are different due to the interference of the IR rays in the sun that have the same wavelength as the IR rays that the Kinect uses. | The video below shows a scene taken on a cloudy day of 15000 lux. Something to note is that the camera is stationary but there is constant mapping and re-mapping. The reason is because different depth images are being registered. The are different due to the interference of the IR rays in the sun that have the same wavelength as the IR rays that the Kinect uses. | ||
- | {{#ev:youtube|EJQG6bKgSuE}}\\ | + | {{youtube>EJQG6bKgSuE?large}}\\ |
Hence the fact that the Kinect does not work outdoors is not a matter of high lux value in the environment but due to the presence of the IR rays in the sunlight. | Hence the fact that the Kinect does not work outdoors is not a matter of high lux value in the environment but due to the presence of the IR rays in the sunlight. |
drexel_darwin_kinect.1478466160.txt.gz · Last modified: 2016/11/06 13:02 by dwallace