Copy Cv Mat To Iplimage

Cv mat is the new type introduce in opencv2 x while the iplimage is the legacy image structure.

Copy cv mat to iplimage.

It is more efficient than manually converting the pixels to the qimage but you have to keep the original cv mat image in memory. You work with new as an originally declared iplimage. It passes the number of dimensions 1 to the mat constructor but the created array will be 2 dimensional with the number of columns set to 1. To convert from cv mat to qimage you could try to use the qimage uchar data int width int height format format constructor as follows mat is a cv mat.

Cv mat m cv cvarrtomat ipl. Cv mat is a header that points to a data pointer which holds the actual image data. It also implements reference counting. Default additional arguments.

Iplimage ipl. Use a copy constructor or assignment operator where there can be an array or expression on the right side see below. But i found this alternative. It holds the number of cv mat headers currently pointing to that data pointer.

I would be able to run the iplimage to mat conversion but i am getting problem with mat to iplimage program i am running the following code in vs 2008 using opencv 2 4 6. Taking a look at core src matrix cpp it seems that indeed the constructor cv mat iplimage has disappeared. Do remember that you need to allocate the iplimage structure which is lack. Although cv mat does support the usage of iplimage in the constructor parameters the default library does not provide function for the other way.

You will need to extract the image header information manually. Qimage img uchar mat data mat cols mat rows qimage format rgb32. So mat dims is always 2 can also be 0 when the array is empty. All the other ways are too complicated and this is the best one.

Cv mat a b. So when you do a regular copy such as. This answer edited sep 30 13 at 15 29 xocoatzin 2 480 1 18 37 answered feb 24 13 at 2 07 user2103629 91 1 1 this is the best way and it works as like a charm. You have cv mat old iplimage copy old.