From cf921b251d8664900bc7c5b3068bcd7b0ce2b2b7 Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sat, 17 Nov 2018 12:55:27 +0000
Subject: [PATCH] Added no SID robustness
---
Ocr.py | 61 +++++++++++++++++++++++++++---
1 files changed, 55 insertions(+), 6 deletions(-)
diff --git a/Ocr.py b/Ocr.py
index 970fb70..33d9457 100644
--- a/Ocr.py
+++ b/Ocr.py
@@ -10,9 +10,10 @@
self.filename = filename
self.invalid = None
self.QRData = None
- self.settings = settings
+ self.settings={'answer_treshold':0.25,} if settings is None else settings
self.errors = []
self.warnings = []
+ self.sid=None
self.sid_classifier = sid_classifier
if filename is not None:
self.loadImage(filename)
@@ -61,17 +62,20 @@
xpos = d[0].rect.left
ypos = d[0].rect.top
# check if image is rotated wrongly
- if xpos > self.imgHeight / 2.0 and ypost > self.imgWidth / 2.0:
+ if xpos > self.imgHeight / 2.0 and ypos > self.imgWidth / 2.0:
self.rotateAngle(180)
def rotateAngle(self, angle=0):
+ #rot_mat = cv2.getRotationMatrix2D(
+ # (self.imgHeight / 2, self.imgWidth / 2), angle, 1.0
+ #)
rot_mat = cv2.getRotationMatrix2D(
- (self.imgHeight / 2, self.imgWidth / 2), angle, 1.0
+ (self.imgWidth/2, self.imgHeight/2), angle, 1.0
)
result = cv2.warpAffine(
self.img,
rot_mat,
- (self.imgHeight, self.imgWidth),
+ (self.imgWidth, self.imgHeight),
flags=cv2.INTER_CUBIC,
borderMode=cv2.BORDER_CONSTANT,
borderValue=(255, 255, 255),
@@ -219,12 +223,57 @@
return "x"
if self.settings is not None:
sid_mask=self.settings.get("sid_mask", None)
- es = getSID(
+ es,err,warn = getSID(
self.img[
- int(0.045 * self.imgHeight) : int(0.085 * self.imgHeight),
+ int(0.04 * self.imgHeight) : int(0.095 * self.imgHeight),
int(0.7 * self.imgWidth) : int(0.99 * self.imgWidth),
],
self.sid_classifier,
sid_mask
)
+ [self.errors.append(e) for e in err]
+ [self.warnings.append(w) for w in warn]
return es
+
+
+ def get_code_data(self):
+ if self.QRData is None:
+ self.errors.append("Could not read QR or EAN code! Not an exam?")
+ retval = {'exam_id': None,
+ 'page_no': None,
+ 'paper_id': None,
+ 'faculty_id': None,
+ 'sid':None
+ }
+ return retval
+ qrdata = bytes.decode(self.QRData, 'utf8')
+ if self.QRDecode[0].type=='EAN13':
+ return {'exam_id': int(qrdata[0:7]),
+ 'page_no': int(qrdata[7]),
+ 'paper_id': int(qrdata[-5:-1]),
+ 'faculty_id': None,
+ 'sid': None
+ }
+ else:
+ data=qrdata.split(',')
+ retval={'exam_id': int(data[1]),
+ 'page_no': int(data[3]),
+ 'paper_id':int(data[2]),
+ 'faculty_id':int(data[0]),
+ }
+ if(len(data)>4):
+ retval['sid']=data[4]
+
+ return retval
+
+ def get_paper_ocr_data(self):
+ data=self.get_code_data()
+ data['qr']=self.QRData
+ data['errors']=self.errors
+ data['warnings']=self.warnings
+ data['up_position']=(list(self.xMarkerLocations[1]/self.imgWidth), list(self.yMarkerLocations[1]/self.imgHeight))
+ data['right_position']=(list(self.xMarkerLocations[1]/self.imgWidth), list(self.yMarkerLocations[1]/self.imgHeight))
+ data['ans_matrix']=((np.array(self.answerMatrix)>self.settings['answer_treshold'])*1).tolist()
+ if data['sid'] is None:
+ data['sid']=self.get_enhanced_sid()
+ return data
--
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