def save_image(self, grabResult):  #Method for saving images

        #Set saved image title format: Time-Date.jpeg
        now = datetime.datetime.now()
        nowstr = now.strftime("%H%M%f-%m_%d_%y")
        print("Saving image...")
        ipo = pylon.ImagePersistenceOptions()
        ipo.SetQuality(100)
        filename = nowstr + ".jpeg"

        #Save image to current directory
        try:
            image = self.converter.Convert(grabResult)
            img = image.GetArray()
            cv2.imwrite(filename, img)
            grabResult.Release(
            )  #Release the grab result so that a new image can be grabbed
            print("Image successfully saved as", filename)
        except Exception as error:
            print("Error saving image:", error)
            return False
        return True
示例#2
0
tlf = pylon.TlFactory.GetInstance()

cam = pylon.InstantCamera(tlf.CreateFirstDevice())
cam.Open()
cam.StartGrabbing()
for i in range(num_img_to_save):
    with cam.RetrieveResult(2000) as result:

        # Calling AttachGrabResultBuffer creates another reference to the
        # grab result buffer. This prevents the buffer's reuse for grabbing.
        img.AttachGrabResultBuffer(result)

        if platform.system() == 'Windows':
            # The JPEG format that is used here supports adjusting the image
            # quality (100 -> best quality, 0 -> poor quality).
            ipo = pylon.ImagePersistenceOptions()
            quality = 90 - i * 10
            ipo.SetQuality(quality)

            filename = "saved_pypylon_img_%d.jpeg" % quality
            img.Save(pylon.ImageFileFormat_Jpeg, filename, ipo)
        else:
            filename = "saved_pypylon_img_%d.png" % i
            img.Save(pylon.ImageFileFormat_Png, filename)

        # In order to make it possible to reuse the grab result for grabbing
        # again, we have to release the image (effectively emptying the
        # image object).
        img.Release()

cam.StopGrabbing()