System information (version)

• OpenCV => 3.4.2
• Operating System / Platform => ❔
• Compiler => Windows 10 64 Bit

Detailed description

The mask parameter of matchTemplate doesn't work on TM_CCOEFF and TM_CCOEFF_NORMED. Is there any workaround except using other template matching methods? I prefer using CCOEFF_NORMED since it's much faster.

Steps to reproduce