質問編集履歴
6
変更
test
CHANGED
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test
CHANGED
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@@ -92,6 +92,8 @@
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self.label_header = "バーコード："
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95
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+
self.barcodeData = ""
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+
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self.queue_to_subthread = queue.Queue()
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@@ -314,7 +316,7 @@
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-
if ret
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if ret and decode_cnt % decode_span == 0:
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self.queue_to_subthread.put(["decode", self.frame])
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@@ -328,24 +330,34 @@
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print(d)
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-
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+
x,y,w,h = (0,0,0,0)
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332
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-
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if d:
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-
for barcode in d:
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for barcode in d:
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-
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-
x,y,w,h = barcode.rect
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x,y,w,h = barcode.rect
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336
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-
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self.barcodeData = barcode.data.decode("utf-8")
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else:
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self.barcodeData = ""
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self.label["text"] = self.label_header + self.barcodeData
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-
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cv2.rectangle(self.frame,(x,y),(x+w,y+h),(0,0,255),2)
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-
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-
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-
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-
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frame = cv2.putText(self.frame,self.barcodeData,(x,y-10),self.font,.5,(0,0,255),2,cv2.LINE_AA)
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-
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-
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-
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-
self.label["text"] = self.label_header + barcodeData
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except queue.Empty:
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pass
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@@ -356,7 +368,7 @@
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self.canvas.itemconfig(self.img_id, image=self.photo)
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-
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+
decode_cnt += 1
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self.canvas.after(15, self.update_by_timer)
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@@ -404,6 +416,10 @@
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404
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queue_to_mainthread.put(["result", d])
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else:
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queue_to_mainthread.put(["result", None])
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+
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407
423
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elif msg == "snapshot":
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self.snapshot()
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@@ -448,8 +464,6 @@
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448
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main()
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450
466
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451
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-
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452
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-
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453
467
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```
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454
468
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455
469
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5
変更
test
CHANGED
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File without changes
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test
CHANGED
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@@ -314,7 +314,7 @@
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314
314
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315
315
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316
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317
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-
if ret and decode_cnt % decode_span == 0:
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+
if ret: #and decode_cnt % decode_span == 0:
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318
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319
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self.queue_to_subthread.put(["decode", self.frame])
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@@ -322,11 +322,27 @@
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try:
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324
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-
msg, d
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+
msg, d = self.queue_to_mainthread.get_nowait()
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326
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326
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-
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327
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+
#print("data: \n{}".format(d))
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print(d)
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331
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barcodeData = ""
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332
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333
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for barcode in d:
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335
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x,y,w,h = barcode.rect
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cv2.rectangle(self.frame,(x,y),(x+w,y+h),(0,0,255),2)
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338
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339
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barcodeData = barcode.data.decode("utf-8")
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341
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frame = cv2.putText(self.frame,barcodeData,(x,y-10),self.font,.5,(0,0,255),2,cv2.LINE_AA)
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327
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-
self.label["text"] = self.label_header + data
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self.label["text"] = self.label_header + barcodeData
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328
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-
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329
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-
self.frame = data[1]
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@@ -334,11 +350,13 @@
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351
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pass
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336
352
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353
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354
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337
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-
self.photo = ImageTk.PhotoImage(image = Image.fromarray(self.frame)
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355
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+
self.photo = ImageTk.PhotoImage(image = Image.fromarray(self.frame))
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338
356
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339
357
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self.canvas.itemconfig(self.img_id, image=self.photo)
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340
358
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341
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-
decode_cnt += 1
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359
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+
#decode_cnt += 1
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360
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343
361
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self.canvas.after(15, self.update_by_timer)
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362
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@@ -380,27 +398,11 @@
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380
398
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381
399
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if msg == "decode":
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382
400
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383
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-
barcodeData = ""
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384
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-
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385
|
-
frame = data
|
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386
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-
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387
|
-
d = decode(
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401
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+
d = decode(data)
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388
402
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|
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389
403
|
if d:
|
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390
404
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391
|
-
#print("d: \n{}".format(d))
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392
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-
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393
|
-
for barcode in d:
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394
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-
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395
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-
x,y,w,h = barcode.rect
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396
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-
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397
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-
cv2.rectangle(frame,(x,y),(x+w,y+h),(0,0,255),2)
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398
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-
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|
399
|
-
barcodeData = barcode.data.decode('utf-8')
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400
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-
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401
|
-
frame = cv2.putText(frame,barcodeData,(x,y-10),self.font,.5,(0,0,255),2,cv2.LINE_AA)
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402
|
-
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403
|
-
queue_to_mainthread.put(["result",
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405
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+
queue_to_mainthread.put(["result", d])
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404
406
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405
407
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elif msg == "snapshot":
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406
408
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@@ -446,6 +448,8 @@
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446
448
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447
449
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main()
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448
450
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451
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+
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452
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+
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449
453
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```
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450
454
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451
455
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4
変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -326,16 +326,18 @@
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326
326
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327
327
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self.label["text"] = self.label_header + data[0]
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328
328
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329
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-
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330
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-
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331
|
-
self.
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329
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+
self.frame = data[1]
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332
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-
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333
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-
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330
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+
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331
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+
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334
332
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335
333
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except queue.Empty:
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336
334
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337
335
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pass
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338
336
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337
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+
self.photo = ImageTk.PhotoImage(image = Image.fromarray(self.frame)
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|
338
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+
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339
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+
self.canvas.itemconfig(self.img_id, image=self.photo)
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340
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+
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339
341
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decode_cnt += 1
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340
342
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341
343
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self.canvas.after(15, self.update_by_timer)
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@@ -394,6 +396,8 @@
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394
396
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|
|
395
397
|
cv2.rectangle(frame,(x,y),(x+w,y+h),(0,0,255),2)
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396
398
|
|
|
399
|
+
barcodeData = barcode.data.decode('utf-8')
|
|
400
|
+
|
|
397
401
|
frame = cv2.putText(frame,barcodeData,(x,y-10),self.font,.5,(0,0,255),2,cv2.LINE_AA)
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398
402
|
|
|
399
403
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queue_to_mainthread.put(["result", [barcodeData, frame]])
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@@ -416,7 +420,7 @@
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416
420
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|
|
417
421
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def snapshot(self):
|
|
418
422
|
|
|
419
|
-
filename = "/home/pi/デスクトップ/img/frame-" + datetime.now().strftime("%Y-%
|
|
423
|
+
filename = "/home/pi/デスクトップ/img/frame-" + datetime.now().strftime("%Y-%m-%d-%H-%M-%S_%f") + ".jpg"
|
|
420
424
|
|
|
421
425
|
cv2.imwrite(filename,
|
|
422
426
|
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3
変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -320,15 +320,21 @@
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320
320
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321
321
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322
322
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323
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+
try:
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324
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+
|
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323
|
-
msg, data = self.queue_to_mainthread.get()
|
|
325
|
+
msg, data = self.queue_to_mainthread.get_nowait()
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|
324
|
-
|
|
326
|
+
|
|
325
|
-
self.label["text"] = self.label_header + data[0]
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327
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+
self.label["text"] = self.label_header + data[0]
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326
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-
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327
|
-
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|
328
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-
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328
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+
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329
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+
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330
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+
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329
|
-
self.photo = ImageTk.PhotoImage(image = Image.fromarray(data[1]))
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331
|
+
self.photo = ImageTk.PhotoImage(image = Image.fromarray(data[1]))
|
|
330
|
-
|
|
332
|
+
|
|
331
|
-
self.canvas.itemconfig(self.img_id, image=self.photo)
|
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333
|
+
self.canvas.itemconfig(self.img_id, image=self.photo)
|
|
334
|
+
|
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335
|
+
except queue.Empty:
|
|
336
|
+
|
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337
|
+
pass
|
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332
338
|
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333
339
|
decode_cnt += 1
|
|
334
340
|
|
2
変更
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -52,6 +52,12 @@
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|
52
52
|
|
|
53
53
|
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54
54
|
|
|
55
|
+
decode_cnt = 0
|
|
56
|
+
|
|
57
|
+
decode_span = 20
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
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55
61
|
class App:
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56
62
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57
63
|
def __init__(self, win):
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|
@@ -84,11 +90,13 @@
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84
90
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|
|
85
91
|
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|
86
92
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|
|
87
|
-
self.label_header = "
|
|
93
|
+
self.label_header = "バーコード："
|
|
88
|
-
|
|
89
|
-
|
|
90
|
-
|
|
94
|
+
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95
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+
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96
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+
|
|
91
|
-
self.
|
|
97
|
+
self.queue_to_subthread = queue.Queue()
|
|
98
|
+
|
|
99
|
+
self.queue_to_mainthread = queue.Queue()
|
|
92
100
|
|
|
93
101
|
|
|
94
102
|
|
|
@@ -96,7 +104,7 @@
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96
104
|
|
|
97
105
|
self.win.title("Camera")
|
|
98
106
|
|
|
99
|
-
self.thread = threading.Thread(target=self.get_queue)
|
|
107
|
+
self.thread = threading.Thread(target=self.get_queue, args=(self.queue_to_mainthread,))
|
|
100
108
|
|
|
101
109
|
self.thread.start()
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|
102
110
|
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|
@@ -116,7 +124,7 @@
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116
124
|
|
|
117
125
|
#self.update_by_timer()
|
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118
126
|
|
|
119
|
-
self.canvas.after(
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127
|
+
self.canvas.after(15, self.update_by_timer)
|
|
120
128
|
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|
121
129
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122
130
|
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@@ -142,7 +150,7 @@
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142
150
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143
151
|
def close(self, e=None):
|
|
144
152
|
|
|
145
|
-
self.
|
|
153
|
+
self.queue_to_subthread.put(["close", None])
|
|
146
154
|
|
|
147
155
|
self.thread.join()
|
|
148
156
|
|
|
@@ -180,25 +188,67 @@
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180
188
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181
189
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182
190
|
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|
183
|
-
|
|
191
|
+
ret, frm = self.vcap.read()
|
|
184
192
|
|
|
185
193
|
#print("ret: {}".format(ret))
|
|
186
194
|
|
|
187
195
|
#print("frm: {}".format(frm))
|
|
188
196
|
|
|
189
|
-
|
|
197
|
+
self.frame = cv2.cvtColor(frm, cv2.COLOR_BGR2RGB)
|
|
190
|
-
|
|
198
|
+
|
|
191
|
-
|
|
199
|
+
self.photo = ImageTk.PhotoImage(image = Image.fromarray(self.frame))
|
|
192
|
-
|
|
200
|
+
|
|
193
|
-
|
|
201
|
+
self.canvas.update()
|
|
194
|
-
|
|
202
|
+
|
|
195
|
-
|
|
203
|
+
cv_w = self.canvas.winfo_reqwidth()
|
|
196
|
-
|
|
204
|
+
|
|
197
|
-
|
|
205
|
+
cv_h = self.canvas.winfo_reqheight()
|
|
198
|
-
|
|
206
|
+
|
|
199
|
-
|
|
207
|
+
self.img_id = self.canvas.create_image(cv_w // 2, cv_h // 2, image=self.photo, anchor="center")
|
|
208
|
+
|
|
209
|
+
|
|
210
|
+
|
|
211
|
+
|
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212
|
+
|
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200
|
-
|
|
213
|
+
"""
|
|
214
|
+
|
|
201
|
-
|
|
215
|
+
self.canvas.update()
|
|
216
|
+
|
|
217
|
+
cv_w = self.canvas.winfo_width()
|
|
218
|
+
|
|
219
|
+
cv_h = self.canvas.winfo_height()
|
|
220
|
+
|
|
221
|
+
|
|
222
|
+
|
|
223
|
+
rec_id = self.canvas.create_rectangle(0, 0, cv_w, cv_h, fill="black")
|
|
224
|
+
|
|
225
|
+
|
|
226
|
+
|
|
227
|
+
|
|
228
|
+
|
|
229
|
+
# 長方形の座標取得
|
|
230
|
+
|
|
231
|
+
rec_pos = self.canvas.coords(rec_id)
|
|
232
|
+
|
|
233
|
+
# テキストを描画（位置は適当）
|
|
234
|
+
|
|
235
|
+
text_id = self.canvas.create_text(0, 0, text="NO SIGNAL", font=("", 20), fill="white")
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236
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+
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237
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+
# テキストのサイズ取得
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+
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239
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+
text_size = self.canvas.bbox(text_id)
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240
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+
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241
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+
# テキストの座標移動
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242
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+
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243
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+
rc_x = rec_pos[2] / 2
|
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244
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+
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245
|
+
rc_y = rec_pos[2] / 3
|
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246
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+
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247
|
+
tc_y = text_size[3] / 2
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248
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+
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249
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+
self.canvas.move(text_id, rc_x - (rec_pos[0] / 2), rc_y - tc_y)
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250
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+
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251
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+
"""
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252
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254
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@@ -220,7 +270,7 @@
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270
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271
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def pushed_button(self):
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272
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223
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-
self.
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273
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+
self.queue_to_subthread.put(["snapshot", None])
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224
274
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225
275
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226
276
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@@ -228,7 +278,7 @@
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278
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229
279
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def update_by_timer(self):
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230
280
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231
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-
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281
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+
global decode_cnt, decode_span
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232
282
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233
283
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ret, self.frame = self.vcap.read()
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234
284
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@@ -264,86 +314,98 @@
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264
314
|
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265
315
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266
316
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317
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+
if ret and decode_cnt % decode_span == 0:
|
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318
|
+
|
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319
|
+
self.queue_to_subthread.put(["decode", self.frame])
|
|
320
|
+
|
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321
|
+
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322
|
+
|
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323
|
+
msg, data = self.queue_to_mainthread.get()
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324
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+
|
|
325
|
+
self.label["text"] = self.label_header + data[0]
|
|
326
|
+
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|
327
|
+
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|
328
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+
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329
|
+
self.photo = ImageTk.PhotoImage(image = Image.fromarray(data[1]))
|
|
330
|
+
|
|
331
|
+
self.canvas.itemconfig(self.img_id, image=self.photo)
|
|
332
|
+
|
|
333
|
+
decode_cnt += 1
|
|
334
|
+
|
|
335
|
+
self.canvas.after(15, self.update_by_timer)
|
|
336
|
+
|
|
337
|
+
|
|
338
|
+
|
|
339
|
+
|
|
340
|
+
|
|
341
|
+
def update_by_resize(self, e):
|
|
342
|
+
|
|
343
|
+
self.canvas.itemconfig(self.img_id, image=self.photo, anchor="center")
|
|
344
|
+
|
|
345
|
+
cv_w = self.canvas.winfo_width()
|
|
346
|
+
|
|
347
|
+
cv_h = self.canvas.winfo_height()
|
|
348
|
+
|
|
349
|
+
self.canvas.coords(self.img_id, cv_w // 2, cv_h // 2)
|
|
350
|
+
|
|
351
|
+
#pass
|
|
352
|
+
|
|
353
|
+
|
|
354
|
+
|
|
355
|
+
|
|
356
|
+
|
|
357
|
+
def bind_event(self):
|
|
358
|
+
|
|
359
|
+
self.win.bind("<Escape>", self.close)
|
|
360
|
+
|
|
361
|
+
self.canvas.bind("<Configure>", self.update_by_resize)
|
|
362
|
+
|
|
363
|
+
|
|
364
|
+
|
|
365
|
+
|
|
366
|
+
|
|
367
|
+
def get_queue(self, queue_to_mainthread):
|
|
368
|
+
|
|
267
|
-
i
|
|
369
|
+
while True:
|
|
370
|
+
|
|
268
|
-
|
|
371
|
+
msg, data = self.queue_to_subthread.get()
|
|
372
|
+
|
|
373
|
+
if msg == "decode":
|
|
374
|
+
|
|
375
|
+
barcodeData = ""
|
|
376
|
+
|
|
377
|
+
frame = data
|
|
378
|
+
|
|
269
|
-
d = decode(
|
|
379
|
+
d = decode(frame)
|
|
270
|
-
|
|
380
|
+
|
|
271
|
-
if d:
|
|
381
|
+
if d:
|
|
272
|
-
|
|
382
|
+
|
|
273
|
-
#print("d: \n{}".format(d))
|
|
383
|
+
#print("d: \n{}".format(d))
|
|
274
|
-
|
|
384
|
+
|
|
275
|
-
for barcode in d:
|
|
385
|
+
for barcode in d:
|
|
276
|
-
|
|
386
|
+
|
|
277
|
-
x,y,w,h = barcode.rect
|
|
387
|
+
x,y,w,h = barcode.rect
|
|
278
|
-
|
|
388
|
+
|
|
279
|
-
cv2.rectangle(
|
|
389
|
+
cv2.rectangle(frame,(x,y),(x+w,y+h),(0,0,255),2)
|
|
280
|
-
|
|
281
|
-
|
|
390
|
+
|
|
282
|
-
|
|
283
|
-
self.label["text"] = self.label_header + barcodeData
|
|
284
|
-
|
|
285
|
-
frame = cv2.putText(
|
|
391
|
+
frame = cv2.putText(frame,barcodeData,(x,y-10),self.font,.5,(0,0,255),2,cv2.LINE_AA)
|
|
392
|
+
|
|
393
|
+
queue_to_mainthread.put(["result", [barcodeData, frame]])
|
|
394
|
+
|
|
395
|
+
elif msg == "snapshot":
|
|
396
|
+
|
|
397
|
+
self.snapshot()
|
|
398
|
+
|
|
399
|
+
elif msg == "close":
|
|
400
|
+
|
|
401
|
+
break
|
|
286
402
|
|
|
287
403
|
else:
|
|
288
404
|
|
|
289
|
-
self.label["text"] = self.label_header
|
|
290
|
-
|
|
291
|
-
#self.photo = ImageTk.PhotoImage(image = Image.fromarray(self.frame))
|
|
292
|
-
|
|
293
|
-
#self.canvas.itemconfig(self.img_id, image=self.photo)
|
|
294
|
-
|
|
295
|
-
self.canvas.after(100, self.update_by_timer)
|
|
296
|
-
|
|
297
|
-
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
def update_by_resize(self, e):
|
|
302
|
-
|
|
303
|
-
#self.canvas.itemconfig(self.img_id, image=self.photo, anchor="center")
|
|
304
|
-
|
|
305
|
-
#cv_w = self.canvas.winfo_width()
|
|
306
|
-
|
|
307
|
-
#cv_h = self.canvas.winfo_height()
|
|
308
|
-
|
|
309
|
-
#self.canvas.coords(self.img_id, cv_w // 2, cv_h // 2)
|
|
310
|
-
|
|
311
|
-
pass
|
|
312
|
-
|
|
313
|
-
|
|
314
|
-
|
|
315
|
-
|
|
316
|
-
|
|
317
|
-
def bind_event(self):
|
|
318
|
-
|
|
319
|
-
|
|
405
|
+
print("----- Undefined msg -----")
|
|
320
|
-
|
|
321
|
-
self.canvas.bind("<Configure>", self.update_by_resize)
|
|
322
|
-
|
|
323
|
-
|
|
324
|
-
|
|
325
|
-
|
|
326
|
-
|
|
327
|
-
def get_queue(self):
|
|
328
|
-
|
|
329
|
-
while True:
|
|
330
|
-
|
|
331
|
-
msg, data = self.data_queue.get()
|
|
332
|
-
|
|
333
|
-
if msg == "snapshot":
|
|
334
|
-
|
|
335
|
-
self.snapshot()
|
|
336
|
-
|
|
337
|
-
elif msg == "close":
|
|
338
406
|
|
|
339
407
|
break
|
|
340
408
|
|
|
341
|
-
else:
|
|
342
|
-
|
|
343
|
-
print("----- Undefined msg -----")
|
|
344
|
-
|
|
345
|
-
break
|
|
346
|
-
|
|
347
409
|
|
|
348
410
|
|
|
349
411
|
def snapshot(self):
|
1
追記
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -8,6 +8,8 @@
|
|
|
8
8
|
|
|
9
9
|
after()の中にprint()にてタイムスタンプ表示を行うと、指定[ms]に対して少し誤差はあるものの、映像表示ほどの遅れはありません。
|
|
10
10
|
|
|
11
|
+
指定時間[ms]は10[ms]、100[ms]、1000[ms]で試験しましたが、どれも同じくらい遅いです。
|
|
12
|
+
|
|
11
13
|
|
|
12
14
|
|
|
13
15
|
canvasの描画内容をコメントアウトしてバーコードの読み取りのみに変更しても、読み取るのに要する時間（バーコードをカメラの前にもっていってから、tkinterのラベルに表示するまでの時間）が2～3秒と長いような気がします。（単にピントが合っておらず、時間がかかっているときもありますが）
|