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Algorithm to detect corners of paper sheet in photo
...ants are carefully picked
MORPH = 9
CANNY = 84
HOUGH = 25
img = cv2.cvtColor(orig, cv2.COLOR_BGR2GRAY)
cv2.GaussianBlur(img, (3,3), 0, img)
# this is to recognize white on white
kernel = cv2.getStructuringElement(cv2.MORPH_RECT,(MORPH,MORPH))
dilated = cv2.dilate(i...
How to capture UIView to UIImage without loss of quality on retina display
...[view.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage * img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
And in Swift 4:
func image(with view: UIView) -> UIImage? {
UIGraphicsBeginImageContextWithOptions(view.bounds....
How can I save a screenshot directly to a file in Windows? [closed]
... code snippets. Of course you should consider to save the image as JPEG or PNG instead of GIF.
– VVS
Oct 1 '08 at 15:29
...
Why is this program erroneously rejected by three C++ compilers?
...
So the OPs error was to use png instead of bmp?
– subsub
Apr 1 '11 at 12:30
1
...
Error in plot.new() : figure margins too large in R
...nt for me. I had to increase the image size, or decrease the resolution in png(filename="myfile.png", res=150, width = 1000, height = 1000)
– vanao veneri
Mar 6 '17 at 10:37
a...
what is Promotional and Feature graphic in Android Market/Play Store?
... to 8 screenshots.
Specs: 320w x 480h, 480w x 800h, or 480w x 854h; 24 bit PNG or JPEG (no alpha) Full bleed, no border in art.
Tips:
Landscape thumbnails are cropped, but we preserve the image’s full size and aspect ratio if the user opens it up on market client.
High Resolution Application Icon ...
Resizing SVG in html?
... can resize it by displaying svg in image tag and size image tag i.e.
<img width="200px" src="lion.svg"></img>
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Android: failed to convert @drawable/picture into a drawable
... Android's own icon pack contains filenames like 10-device-access-alarms.png, that Eclipse chokes on! Thanks.
– Noumenon
May 5 '13 at 17:06
12
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How to center a (background) image within a div?
....
But I always use this code :
.yourclass {
background: url(image.png) no-repeat center /cover;
}
I know it is so confusing but it means :
.yourclass {
background-image: url(image.png);
background-position: center;
background-size: cover;
background-repeat: no-repe...
Official way to ask jQuery wait for all images to load before executing something
...ript>
</head><body>
Hello
<img src="jollyroger00.jpg">
<img src="jollyroger01.jpg">
// : 100 copies of this
<img src="jollyroger99.jpg">
</body>
</html>
With that, the alert box app...