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CALIBRATION OF FISHEYE LENSES FOR HEMISPHERICAL PHOTOGRAPHY
fisheye lens calibration of lens hemispherical photography solar radiation assessment of radiation
2009/11/25
Hemispherical photography represents one of the most appropriate methods of estimating averages of solar radiation over extended periods of time. This method is based upon the use of extremely wide-an...
SOLAR RADIATION MEASUREMENTS IN FORESTS-II. METHODS BASED ON THE PRINCIPLE OF HEMISPHERICAL PHOTOGRAPHY
solar radiation assessment silviculture horizontoscope hemispherical photography
2009/11/25
The know-how in the field of solar radiation distribution in forests is important for basic ecological investigations and silvicultural practice. Three methods of solar radiation assessment based on h...