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image processing to improve tesseract OCR accuracy
... no means an OCR expert. But I this week had need to convert text out of a jpg.
I started with a colorized, RGB 445x747 pixel jpg.
I immediately tried tesseract on this, and the program converted almost nothing.
I then went into GIMP and did the following.
image>mode>grayscale
image>sc...
Switching a DIV background image with jQuery
...
$('#divID').css("background-image", "url(/myimage.jpg)");
Should do the trick, just hook it up in a click event on the element
$('#divID').click(function()
{
// do my image switching logic here.
});
...
Fastest way to extract frames using ffmpeg?
...lly slow. You should try this.
ffmpeg -i file.mpg -s 240x135 -vf fps=1 %d.jpg
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Center image in table td in CSS
...<div style="margin: 0 auto; width: 130px">
<img src="me.jpg" alt="me" style="width: 130px" />
</div>
</td>
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How to set time delay in javascript
...mage a second time. The delay should be 1000ms. So you would click the img.jpg then the img_onclick.jpg would appear. You would then click the img_onclick.jpg image there should then be a delay of 1000ms before the img.jpg is shown again.
...
Two color borders
...<img src="http://cdn3.thumbs.common.smcloud.net/common/8/6/s/863444wpPN.jpg/r-0,500-n-863444wpPN.jpg" alt="malkovich" />
CSS:
img {
padding: 1px;
background: yellow;
border:1px solid black;
}
TEST(JSFiddle):
img {
padding: 1px;
background: yellow;
border: 1px sol...
How do I URl encode something in Node.js?
...caped_str = require('querystring').escape('Photo on 30-11-12 at 8.09 AM #2.jpg');
console.log(escaped_str);
// prints 'Photo%20on%2030-11-12%20at%208.09%20AM%20%232.jpg'
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Website screenshots
...the page and outputs it in a ps file (ghostscript), then, convert it in a .jpg, .png, .pdf.. can be little slower with complex pages (and don't support all the CSS).
Else, you can use wkhtmltopdf to output a html page in pdf, jpg, whatever..
Accept CSS2.0, use the webkit (safari's wrapper) to rende...
How to post pictures to instagram using API
... be jpeg format and it must be a perfect square
$filename = 'pictures/test.jpg';
// Set the caption for the photo
$caption = "Test caption";
// Define the user agent
$agent = GenerateUserAgent();
// Define the GuID
$guid = GenerateGuid();
// Set the devide ID
$device_id = "android-".$guid;
/* L...
Getting all file names from a folder using C# [duplicate]
... certain extension
string[] fileArray = Directory.GetFiles(@"c:\Dir\", "*.jpg");
This will bring back ALL the files in the specified directory AS WELL AS all subdirectories with a certain extension
string[] fileArray = Directory.GetFiles(@"c:\Dir\", "*.jpg", SearchOption.AllDirectories);
Hope ...