OpenCV provides quite decent implementation of the Viola-Jones Face detector. ...
[OpenCV] detectMultiScale: output detection score
All posts tagged en
On 2 dimensional array of C++
I was asked about this today. In practice, I rarely use 2-dimensional array, instead I use vector of vectors. ...
[OpenCV]detectMultiScale
I met a problem when using the interface ‘detectMultiScale’ of OpenCV. The rectangles it gives out may not be fully inside the frame of the original image. As a result, if these rectangles are applied directly on the original image to crop out the detected objects, your programs crash. ...
SSE2 Vector Operation by Vlfeat
If you are writing something involving the math between vectors in C/C++, you may want to check out Vlfeat (http://vlfeat.org). ...
Setup dropbox without X
Assume you are accessing your server remotely through SSH. ...
fstream issue under 64-bits cygwin
This is a question I posted on StackOverflow: fstream issue under 64-bits cygwin, glad to get help from Nemo on Stackflow, all credits goes to him. ...
Use a different delimiter in sed
Think about this, you want to replace “XXX” with a path like “/path/to/YYY” in a file.
Your file looks like this: ...
Project-Specific Vim Configuration
Usually, we have our own vim configuration in the file ~/.vimrc
What if we want one for our project?
For example, we are working on certain project which needs to read in a tags file.
Well, here is a possible solution. ...
tail -n
Quite useful trick, when you want to get rid of the first certain lines of the output/file. ...
Draw ROC Curve
A piece of fairly simple Matlab script to draw the ROC Curve from an array of scores and an array of labels. ...