Digital SLR cameraparticulate matterconcentrationalgorithmMany researches showed that pollution particles are associated with adverse health effects. These particles are 10 micrometers in diameter or smaller (PM_(10)). Now the challenge is to develop a better technique for monitoring the concentration of...
This paper reports that a digital single-lens reflex (SLR) camera can be applied as a remote sensor for monitoring the concentrations of particulate matter less than 10 micron (PM). An algorithm was developed based on the regression analysis of relationship between the measured reflectance and the...
Using a Digital SLR or mirrorless camera gives you the ability to control how your scene is captured based on your interpretation, but you also need to know how to use the settings on the camera to your advantage. Most cameras have several different shooting modes, including: Aperture Priority...
The circular polarizing variety is designed so that the camera's metering and autofocus systems can still function. Linear polarizers are much less expensive, but cannot be used with most digital SLR cameras (since these use through-the-lens (TTL) metering and phase detection autofocus)....
camera positioned 31 cm above the hand, and set to manual settings (Canon EOS 5D Mark II Full Frame DSLR Camera, EF 24–105mm f/4 L IS USM Lens, focal length = 35 mm, shutter speed = 1/30 s, aperture = f-stop 5.6, ISO = 400). The only...
This technique is well suited for measuring the velocity field of an airflow. The color PIV method using the digital SLR camera is also discussed for to maintain the good spatial resolution of the 3D PIV method. 展开 被引量: 1 年份: 2013 ...
The textured environmental geometry 𝐺𝐼GI was constructed from 21,143 photos of the environment using commercial SfM software, ContextCapture [33], where the photos were extracted from the video data captured using a digital single-lens reflex camera [34]. As shown in Figure 12c, the model...
Trial and error techniques can be problematic due to the limited size of viewfinders used in 35 mm or cropped digital camera sensors. This can make it very hard to discern changes in sharpness—particularly in low light, or with tilt shift lenses having a maximum aperture of f/3.5 or a ...
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I travel quite a lot, I like to take a lot of pictures with a digital SLR camera, and I often take multi-picture panoramas (the Swiss Alps are particularly good subjects for this kind of photography). When I get home, I use the hugin panorama photo stitcher to merge those bat...