| In recent years,by the method of image processing technology to obtain the number has become a hot research topic,also it has a high research and application value.With the popularity of monitoring equipment and monitoring technology in the college classroom,the number of image processing technique was applied to the classroom,can promote the energy saving of the classroom.A method of classroom number statistics was proposed based on image processing in this paper,and for this method,design practical stronger and conducive experiment model to the development of energy-saving classroom.At first.operate the original image of the classroom from camera also background difference method is utilized to extract the number statistics major area.and uses the gray level transformation,histogram equalization and median filter to realize image enhancement.Then through the edge detection method to extract the edge information in the target zone,using hough transform to detect the head circular contour,statistical round the number of connected in the area to determine the number of the classroom.To test the number of people in classroom statistical method in this paper in the practical application feasibility,setting up energy-saving classroom model,the model can simulate the students self-study.Through the camera collects images of the real-time classroom,after using the proposed approach in this paper by the raspberry pie for the number of people in the classroom.combined with the lights of the corresponding control strategy,using raspberry pie for intelligent open and close the lights in the classroom.Experiments show that the number of statistical method can more accurately the number in the classroom,and it can apply to energy-saving lighting control in the classroom.This study can develop the thought of development and construction of energy-efficient,intelligent classroom in the future,also it has important practical significance. |
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