Also i look back at the original.
Convert mat to vector c.
It amap alabel it.
Using vector assign to convert a c set to std vector.
Copy all values from a map to vector using transform function pointer.
Let s create a template function that returns second value from a given pair i e.
In this post we will discuss how to convert a set to a vector in c.
Instantly share code notes and snippets.
Reconstructing mat from array vector.
A simple utility that accepts a directory of images converts it to a vector of values and prints it to a csv file.
Then using one of the constructors that take data s pointer we can obtain original mat.
If you want to update the value of alabel you could change it in the loop.
Convert cv mat to std vector in opencv.
The image below shows the correct values i tried this.
Apart from array vector we also need the original mat s mat size array like and mat type int.
The optional step argument is not required because our data pointer points to continuous memory.
I want to convert a vector vector double to mat because i need to apply a custom smooth filter to this values.
For auto it vector begin.
Change alabel here if you need to or you could amap it 1 depending on what you really want.
We can use the std vector assign method that takes the begin and end iterator of the source set unordered set which will allow us to convert copy a c set to std vector like below.