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How can I remove the watermark of images?
Photoshop.
If you have an original image and the image with the watermark, you can subtract them to see what what watermark did. You can then subtract this watermark from other images. Note that this won't always work and will result in artifacts unless you know exactly how the watermark was applied.
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Is there any way to detect hand or palm using CIDetector? I have googled but only face detection is found, is there any way to do it? please help.
In iOS 8 you can detect QR codes and rectangles too, but alas, not hands or palms.
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Does Direct2D support custom shaped windows? Say, drawing a circle over all other windows. If yes, could anyone give a link to an article or sample of such technique? Thanks.
Yep, it does.
Here is an article with examples, unfortunately, it goes in Russian, so use an online translator:
http://teran.karelia.pro/articles/item_5710.html
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How can I flip a figure in my LaTeX file around horizontal axis? The figures reside in subfigure.
here is the solution:
add to preamble
\usepackage{graphics}
then the following does the trick.
\scalebox{1}[-1]{ \includegraphics[width=0.50\columnwidth] {test.eps} }
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I have loaded an image in OpenGL by using texture. Now I want to draw same image after some time in future. So I keep texture for that image in my texture array. Now how can I load that image directly from that stored texture.
glBindTexture(GL_TEXTURE_…, textureID);
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I am trying to procedurally generate point stars to create a starfield background for my game. I want to weight the color production based on an average star's real color. Can anyone point me in the direction of this sort of data?
I found a nice overview here. It shows some real examples. Maybe this will help you.
It is White. To be closer to the real thing apply redshift as the stars are further away and add or remove blue to account for star temperature and age.