64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
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from ximea import xiapi
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import numpy as np
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cam = xiapi.Camera()
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cam.open_device()
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# self.cam.set_width(1392)
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# cam.set_offsetX(272)
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#
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# cam.set_height(302)
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# cam.set_offsetY(338)
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# Serial number = 0031
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cam.set_width(1392)
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cam.set_offsetX(272)
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cam.set_height(302)
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cam.set_offsetY(406)
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framerate=20
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cam.set_framerate(framerate)
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# cam.set_aeag_roi_offset_x(self.config_file_object.start_column)
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# cam.set_aeag_roi_offset_y(self.config_file_object.start_row)
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# cam.set_aeag_roi_height(self.config_file_object.end_row - self.config_file_object.start_row)
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# cam.set_aeag_roi_width(self.config_file_object.end_column - self.config_file_object.start_column)
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img = xiapi.Image()
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# 使用相机自动曝光功能得到初始曝光值
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cam.enable_aeag() # 开启自动曝光
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cam.start_acquisition()
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for i in range(10):
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cam.get_image(img) # get data and pass them from camera to img
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cam.stop_acquisition()
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cam.disable_aeag() # 关闭自动曝光
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# 根据自动曝光所得初始曝光值，循环迭代获取不过曝的曝光值
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img.get_image_data_numpy()
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image_raw_numpy = img.get_image_data_numpy()
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while image_raw_numpy.max() >= 2730:
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cam.set_exposure(int(0.9 * cam.get_exposure()))
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cam.start_acquisition()
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cam.get_image(img) # get data and pass them from camera to img
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cam.stop_acquisition()
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image_raw_numpy = img.get_image_data_numpy()
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# 如果因为光线不足曝光值达到了最大，就将曝光反馈变量设置为1
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if cam.get_exposure() > int(1 / framerate * 10**6):
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cam.set_exposure(int(1 / framerate * 10**6))
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autoexposure_feedback = 1
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else:
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cam.set_exposure(cam.get_exposure())
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haha=cam.get_exposure()
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