Photon Focus MV1-R1280-50 Series, User Manual, Page: 33 / 103

5
Functionality
This chapter serves as an overview of the camera configuration modes and explains camera
features. The goal is to describe what can be done with the camera. The setup of the cameras
is explained in later chapters.
5.1 Reduction of Image Size
5.1.1 Region of Interest (ROI)
Some applications do not need full image resolution. By reducing the image size to a certain
region of interest (ROI), the frame rate can be increased. A region of interest can be almost
any rectangular window and is specified by its position within the full frame and its width (W)
and height (H).
The ROI width must be a multiple of 2.
When the vertical ROI parameters (OffsetY, Height) are modified, the camera
stops sending image for a time that is at most equal to the length of 3 full
frames. Triggers that are sent during this time are ignored.
A list of common image dimension and its frame rates is shown in Table 5.1. There is a frame
rate calculator in the support section of the Photonfocus web page www.photonfocus.com.
ROI Dimension MV1-R1280-50 GigE
1280 x 1024 33 fps
1280 x 768 (WXGA) 45 fps
800 x 600 (SVGA) 57 fps
640 x 480 (VGA) 72 fps
1024 x 1024 33 fps
640 x 640 54 fps
512 x 512 67 fps
256 x 256 135 fps
1280 x 1 11570 fps
Table 5.1: Frame rates of different ROI settings (minimal exposure time)
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