Do You Know What Frame Rate Is?

Only by choosing the right frame rate can the industrial camera operate at full capacity!

Friends working in industrial vision, today let's talk about a crucial parameter in industrial cameras - the frame rate! When selecting an industrial camera, we all know that the image sensor and resolution are important, but don't overlook the frame rate. It directly affects the camera's working efficiency!

So, what exactly is the frame rate? Simply put, it is the speed at which the camera captures and transmits images. For an area scan camera, the frame rate refers to the number of images it can capture per second. Imagine a 15 - frame - per - second area scan camera. It's like a quick - handed worker that can "grab" at most 15 images in one second, recording the instantaneous scenes.

The linear scan camera is a bit different. Its frame rate is called the line frequency, which is the number of lines it captures per second. For example, a 50KHz line scan camera can scan 50,000 lines in one second. It is very meticulous and efficient when detecting some long - strip - shaped objects.

Then, how do we choose the appropriate frame rate? Here is a key principle: choose it according to the detection speed! The frame rate must be greater than or equal to the detection speed. Otherwise, when the camera is busy with exposure and data transmission, the image processing won't keep up, which will delay matters.

Especially when shooting moving objects, a high - frame - rate camera is a "lifesaver". In high - speed dynamic detection scenarios, there are a large number of materials coming in quickly, and the detection speed can reach more than 100 per second. If the frame rate can't keep up, the captured images will be blurred, making detection impossible.

There is another trick. The frame rate is closely related to the resolution and the data output interface. Generally, for industrial cameras, when the resolution is low and the interface remains the same, the frame rate is relatively high. If you want both high resolution and a high frame rate, you need to equip the camera with an output interface with a larger bandwidth to "open a fast lane" for data transmission.

Now, are you clearer about the frame rate?