Read Frame

Description

Read the last frame. Type : polymorphic.

Input parameters

Session Src : class
Image Src : class

Output parameters

Session Dst : class
Image Dst : class, the type adapts to the image sent by the camera.
Frame Exist? : boolean, false if the frame doesn’t exist.

Examples

All these examples are snippets PNG, you can drop these Snippet onto the block diagram and get the depicted code added to your VI (Do not forget to install Computer Vision ​library to run it).

Open and play a camera

1 – Initialize

Open camera reference and create a temporary memory location for an image.

2 – Process

Each loop reads the last frame and displays this frame.

3 – Close

We close all open references.