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How can I quantify difference between two images?
...if they are color (RGB) images.
You will need these imports:
import sys
from scipy.misc import imread
from scipy.linalg import norm
from scipy import sum, average
Main function, read two images, convert to grayscale, compare and print results:
def main():
file1, file2 = sys.argv[1:1+2]
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Convert InputStream to byte array in Java
...write it myself? The jar is only 107KB and if you have need for one method from it, you are likely to use others too
– Rich Seller
Aug 12 '09 at 10:46
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Can I store images in MySQL [duplicate]
...t was in 2011 but now DBs are so improved and store blob columns separated from the normal data, you'll never notice a change of speed. there is even streamline too
– azerafati
Sep 17 '15 at 13:49
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What is the difference between @Inject and @Autowired in Spring Framework? Which one to use under wh
... At the risk of being pedantic: @Inject is a separate JSR (JSR-330) from CDI (JSR-299).
– Brad Cupit
Nov 5 '13 at 22:12
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What is an idempotent operation?
...re than once with the same input parameters. For example, removing an item from a set can be considered an idempotent operation on the set.
In mathematics, an idempotent operation is one where f(f(x)) = f(x). For example, the abs() function is idempotent because abs(abs(x)) = abs(x) for all x.
Th...
Is there a cross-domain iframe height auto-resizer that works?
...her option would be to send the iframe height to your server and then poll from that server from the parent web page with JSONP (or use a long poll if possible).
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What is “Orthogonality”?
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This answer reminds me of "superposition" theory from signal and systems.
– Özgür
Jul 8 '10 at 22:08
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What is aspect-oriented programming?
...flow. These can be almost impossible to trace, especially when they derive from that system's version of aspects, which it calls roles. One can compose systems of staggering complexity with all this.
– tchrist
Mar 19 '16 at 23:03
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Get the POST request body from HttpServletRequest
I am trying to get the whole body from the HttpServletRequest object.
8 Answers
8
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How can I use numpy.correlate to do autocorrelation?
...∞ < i < ∞ aivt+i where -∞ < t < ∞, allows for results from -∞ to ∞, but you obviously can't store an infinitely long array. So it has to be clipped, and that is where the mode comes in. There are 3 different modes: full, same, & valid:
"full" mode returns results for ...