Intelligent lighting automatic detection and analysis system and detection method thereof

Abstract

The invention relates to an intelligent lighting automatic detection and analysis system and a detection method thereof. The intelligent lighting automatic detection and analysis system comprises a guide way, a base larry, an upright post, a photic box, an optical system, a CCD vidicon, a singlechip processing system and a DSP image processing system, wherein symmetry of high beam light spots is obtained from images photographed by the CCD vidicon in the photic box through pretreatment, isolux annulus extraction, isolux annulus centre calculation and symmetry check; and definition of low beam light spots on a dividing line of light and dark cutoff regions is obtained from the images through the pretreatment, low beam light and dark bend line extraction and light and dark dividing line bright band width calculation. The invention detects the lighting quality of high beam and low beam by adopting the method of judging the symmetry of the high beam light spots with the relative average offset of isolux annuluscentre coordinates to the centre of the light spots and the calculation method, and the method of judging definition of the low beam light spots on the light and dark bend positions with size of band width of the bright band of the images above the bend line and the calculation method of the band width of the bright band.

Description

technical field [0001] The invention belongs to the field of special testing equipment, and relates to an intelligent light automatic detection and analysis system and a detection method thereof, which can judge the symmetry of the light spot of the high beam of the automobile headlamp and determine the brightness and darkness at the inflection point of the low beam illumination of the automobile headlamp The clarity judgment of the cut-off area can detect the lighting quality of high beam and low beam, and provide detailed lamp spot data for lamp manufacturers, thereby providing a basis for improving the structure of the lamp. In addition, it can also be used to test the lighting quality of other lamps. Background technique [0002] The headlight is an important device for the car to provide road lighting for the driver at night or in the case of low visibility, and it is also a light signal device for the driver to warn and communicate. Therefore, the headlight must have s...

AI Technical Summary

Problems solved by technology

However, due to the shape of the visor and the installation position of the current low beam, there is often a shape that satisfies the light type. However, although the brightness at the upper left of the spot is weaker than that at the lower right, it still has a certain intensity. The driver will cause some bad effects, so it is very important to require a clear cut-off zone of low beam lights, but the current headlight detectors do not have the function of detecting this performance

[0009] In short, the current detector can only measure the height of the headlight, the light intensity of the high beam, the deflection of the spot center, and the inflection point of the low beam.

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