hblock | blocking ads , tracking and malware domains | Privacy library
kandi X-RAY | hblock Summary
kandi X-RAY | hblock Summary
hBlock is a POSIX-compliant shell script that gets a list of domains that serve ads, tracking scripts and malware from multiple sources and creates a hosts file, among other formats, that prevents your system from connecting to them.
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QUESTION
I am trying to implement the edge based binarization algorithm that was written in the research paper "Automatic License Plate Recognition Using Deep Learning Technique" but i as i implemented it i get the final image all black and can not find the problem.
...ANSWER
Answered 2017-Dec-29 at 11:26After comparing the given code with what has been stated in the paper, I must say that the appended implementation in the paper is wrong.
I didn't search for another proof, but from what was said in the paper, the algorithm binarizes an image by estimating a local threshold at edge pixels within a 10x5 pixel region and later assembling the whole binary image from these rather small patches.
The given implementation instead slices the image into 10 vertical and 5 horizontal blocks, resulting in much larger regions.
QUESTION
I need to calculate the mean of a 3D matrices (last step in the code). However, there are many NaN
s in the (diff_dataframe./dataframe_vor)
calculation. So when I use this code, some results will be NaN
. How could I calculate the mean of this matrix by ignoring the NaNs? I attached the code as below.
ANSWER
Answered 2017-Oct-13 at 14:18mean2
is a shortcut function that's part of the image processing toolbox that finds the entire average of a 2D region which doesn't include handling NaN
. In that case, simply remove all values that are NaN
and find the resulting average. Note that the removal of NaN
unrolls the 2D region into a 1D vector, so we can simply use mean
in this case. As an additional check, let's make sure there are no divide by 0 errors, so also check for Inf
as well.
Therefore, replace this line:
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