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Simple Digit Recognition OCR in OpenCV-Python
...f manual classification of digits, all the digits in the train data( train.png) are labeled manually by ourselves, image will look like below:
Below is the code I used for above purpose ( of course, not so clean):
import sys
import numpy as np
import cv2
im = cv2.imread('pitrain.png')
im3 = im...
How can I sharpen an image in OpenCV?
...thm
Mat blurred; double sigma = 1, threshold = 5, amount = 1;
GaussianBlur(img, blurred, Size(), sigma, sigma);
Mat lowContrastMask = abs(img - blurred) < threshold;
Mat sharpened = img*(1+amount) + blurred*(-amount);
img.copyTo(sharpened, lowContrastMask);
...
How to strip HTML tags from string in JavaScript? [duplicate]
...is example is from a comment by Mike Samuel on the duplicate question: <img onerror='alert(\"could run arbitrary JS here\")' src=bogus>
Code:
var html = "<p>Some HTML</p>";
var div = document.createElement("div");
div.innerHTML = html;
var text = div.textContent || div.innerText...
How can I read command line parameters from an R script?
... <- as.integer(args[3])
rm(args)
# Some computations:
x <- rnorm(n)
png(paste(name,".png",sep=""))
plot(start_date+(1L:n), x)
dev.off()
summary(x)
Save both files in the same directory and start exmpl.bat. In the result you'll get:
example.png with some plot
exmpl.batch with all that wa...
Border for an Image view in Android?
...your border color in code is using the tintBackgound attribute.
ImageView img = findViewById(R.id.my_image_view);
img.setBackgroundTintList(ColorStateList.valueOf(Color.RED); // changes border color to red
or
ImageView img = findViewById(R.id.my_image_view);
img.setBackgroundTintList(getColorSta...
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 ...
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
...
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...
Indent starting from the second line of a paragraph with CSS
...on is to place text in an SVG element and position this the same as an <img>. Using float and the SVG's height tag defines how many rows will be indented e.g.
<p style="color: blue; font-size: large; padding-top: 4px;">
<svg height="44" width="260" style="float:left;margin-top:-8px;"...
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
...