def scan_command(): """Scans a postcard""" from camera.cameraControl import CameraControl from camera.cameraCalibrator import CameraCalibrator from camera.cardScanner import CardScanner camera = CameraControl() calibrator = CameraCalibrator(CAMERA_MATRIX_FILE) img = camera.captureImage() img = calibrator.undistortImage(img) scanner = CardScanner(img) cat = scanner.extract(); scanner.saveImage(SCAN_RESULT_FILE) if (cat != False) print "Found category: "+str(cat)+"."; else print "Did not find category." del camera
def scan_command(raw=False): """Scans a postcard""" global camera,lbControl init() lbControl.toggleCameraLed(True) img = camera.captureImage() if raw: scanner = CardScanner(img) scanner.saveImage(SCAN_RESULT_FILE) else: calibrator = CameraCalibrator(CAMERA_MATRIX_FILE) img = calibrator.undistortImage(img) scanner = CardScanner(img) #scanner.threshold(); scanner.saveImage(SCAN_RESULT_FILE)
# -*- coding: utf-8 -*- # @Author: Lutz Reiter, Design Research Lab, Universität der Künste Berlin # @Date: 2016-08-18 18:02:59 # @Last Modified by: lutzer # @Last Modified time: 2016-08-18 18:03:40 from camera.cameraControl import CameraControl from camera.cameraCalibrator import CameraCalibrator from camera.cardScanner import CardScanner camera = CameraControl() calibrator = CameraCalibrator(CAMERA_MATRIX_FILE) img = camera.captureImage() img = calibrator.undistortImage(img) scanner = CardScanner(img) cat = scanner.extract(); scanner.saveImage(SCAN_RESULT_FILE) if (cat != False): print "Found category: "+str(cat)+"."; else: print "Did not find category." del camera
def loop ():
global lbControl, camera, calibrator, config, lbVersion
if (lbControl.checkPhotocell()):
lbControl.flashFeedbackLed(1)
httpClient = HttpRequestClient(config.get("MAIN","api"))
# tell node server that a new submission is beeing scanned
httpClient.sendScanning(0)
imageFolder = IMAGE_SAVE_FOLDER
#take first picture
img1 = camera.captureImage()
if lbVersion > 1:
#turn postcard
lbControl.setMotorPosition(MotorPosition.TURN)
img2 = camera.captureImage()
#eject postcard
lbControl.ejectCard();
# extract image front side
img1 = calibrator.undistortImage(img1)
scanner = CardScanner(img1)
scanner.threshold()
# find marker
marker, flipped, val = scanner.findMarker()
# check other side
# if val > float(config.get("MARKER","marker_threshold")) and 'img2' in locals():
# img2 = calibrator.undistortImage(img2)
# scanner = CardScanner(img2)
# scanner.threshold()
# marker, flipped, val = scanner.findMarker()
# logger.info("Side:2 Found marker: "+str(marker)+" (value: "+str(val)+"). Flipped: "+str(flipped))
if val < float(config.get("MARKER","marker_threshold")):
logger.info("Side:1 Found marker: "+str(marker)+" (value: "+str(val)+"). Flipped: "+str(flipped))
else:
logger.info("Did not find marker (value: "+str(val)+").")
# extract text box
scanner.maskRectangle()
# save image
filename = generateImageName(config.get("MAIN","id")) + '.jpg'
filepath = scanner.saveImage(IMAGE_SAVE_FOLDER + filename, rotate=flipped)
logger.info("# saved image to: "+filepath)
# create submission
category = -1;
tags = None
text = " "
twitterMessage = " "
if val < float(config.get("MARKER","marker_threshold")) and marker > -1 :
category = marker
tags = config.get("CATEGORIES","tag"+str(category))
text = config.get("CATEGORIES","text"+str(category))
twitterMessage = config.get("CATEGORIES","twitter"+str(category))
submission = {
'device' : DEVICE_NAME,
'author' : config.get("MAIN","author"),
'category' : marker,
'tags' : tags,
'text' : text,
'dataset' : config.get("MAIN","dataset")
}
# send data and picture
httpClient.postSubmission(submission,filepath,filename);
#twitter picture
if config.getboolean("TWITTER","tweet_submissions"):
message = submission['text']
twitter = TwitterPoster(
config.get("TWITTER","consumer_key"),
config.get("TWITTER","consumer_secret"),
config.get("TWITTER","access_token"),
config.get("TWITTER","access_token_secret"),
)
twitter.tweet(filepath,twitterMessage)
time.sleep(DELAY_BETWEEN_READINGS)
return