运行环境： Ubuntu18.04, 大恒相机python库，大恒相机linux驱动，python2.7 代码：
import gxipy as gx from PIL import Image import datetime import cv2 """ Author:NoamaNelson Date:2019-11-21 Discription:Secondary development of pythonsdk of Daheng camera. """ def main(): Width_set = 1280 # MAX:1280 Height_set = 1024 # MAX:1080 framerate_set = 80 OffsetX_set = 0 OffsetY_set = 28 WhiteBalance_set = 2 # 0:close 1:continues 2:once num = 1 print("**********************************************************") device_manager = gx.DeviceManager() dev_num, dev_info_list = device_manager.update_device_list() if dev_num is 0: print("Number of enumerated devices is 0") return else: print("") #print("**********************************************************") print("create success dev_num:%d" % dev_num) cam = device_manager.open_device_by_sn(dev_info_list[0].get("sn")) if cam.PixelColorFilter.is_implemented() is False: print("no support") cam.close_device() return else: print("") #print("**********************************************************") print("success open colored cam, sn:%s" % dev_info_list[0].get("sn")) cam.Width.set(Width_set) cam.Height.set(Height_set) cam.OffsetX.set(OffsetX_set) cam.OffsetY.set(OffsetY_set) print("") print("**********************************************************") print("Resolution Setting: (Width_MAX:1280 Height_MAX:1080)") print("") print("Width:%d Height:%d" % (Width_set,Height_set)) print("") print("Offset X:%d Offset Y:%d" % (OffsetX_set,OffsetY_set)) print("**********************************************************") cam.BalanceWhiteAuto.set(WhiteBalance_set) print("") print("WhiteBalance Setting: (0:close 1:continues 2:once)") print("") print("Mode:%d" % WhiteBalance_set) cam.AcquisitionFrameRateMode.set(gx.GxSwitchEntry.ON) cam.AcquisitionFrameRate.set(framerate_set) print("") print("**********************************************************") print("frame per sec:%d fps"%framerate_set) framerate_get = cam.CurrentAcquisitionFrameRate.get() print("capture fps:%d fps"%framerate_get) print("") print("**********************************************************") print("start capture") print("") cam.stream_on() while True: for i in range(num): raw_image = cam.data_stream[0].get_image() if raw_image is None: print("fail to get colored image") continue rgb_image = raw_image.convert("RGB") if rgb_image is None: continue #rgb_image.image_improvement(color_correction_param, contrast_lut, gamma_lut) numpy_image = rgb_image.get_numpy_array() if numpy_image is None: continue numpy_image = cv2.cvtColor(numpy_image,cv2.COLOR_RGB2BGR) #img = Image.fromarray(numpy_image, 'RGB') cv2.imshow("frame",numpy_image) if cv2.waitKey(1) & 0xFF == ord('s'): mtime = datetime.datetime.now().strftime('%Y-%m-%d_%H_%M_%S') cv2.imwrite('/home/nvidia/Desktop/photos/'+ str(mtime) + '.jpg', numpy_image) print("Frame ID: %d Height: %d Width: %d framerate_set:%dfps framerate_get:%dfps" % (raw_image.get_frame_id(), raw_image.get_height(), raw_image.get_width(), framerate_set, framerate_get)) if cv2.waitKey(1) & 0xFF == 27: break print("") print("**********************************************************") print("cam stop") cam.stream_off() print("") print("device closed") print("**********************************************************") cam.close_device() if __name__ == "__main__": main()参考： 使用大恒USB工业相机PythonSDK进行逐帧率图片采集
