The USB board camera is a general-purpose camera control board designed for both PCs and embedded systems like the ARM, Raspberry Pi, and similar hardware. It supports parallel interface image sensors and many MIPI camera sensors, including both rolling and global shutter sensors. The USB cameras adopt the standards of the USB interface, so they are easily expandable and adapted. What’s more, they could be made driver-free by following the USB device standards.
Different Camera Lens Optional
The UVC is one of the USB device classes. The drivers for UVC cameras to work have already been preinstalled in the operating system. Those driver-free USB cameras are UVC cameras. Computer and other mobile devices are connected directly through the USB interface simply plug and play. These UVC compliant board camera are compatible with Windows and Linux software and do not require drivers.
The USB board camera integrates the camera board and the video capture unit, then connects to host system through the USB interface. The camera board combining the camera lens to the image sensor depends on different image requirements like view angle, resolution, sensor features, etc. The video capture unit usually considers the image processing application: which wavelength band we need, compatible ISP or SOC, sensor commands support, frame rate, etc. IADIY offers several UVC board cameras as an implement for different applications. These cameras have specific features like Wide Dynamic Range (WDR), low light enhancement, also different view angle camera lens optional.
An electronic shutter electronically turns the image sensor on and off to control exposure. The sensor starts detecting light when activated and stops detecting light when deactivated.
Rolling shutter cameras capture the scene line by line, from top to bottom, causing a time difference between top and bottom parts. Motion or camera movement results in the distortion known as the rolling shutter effect.
On the other hand, global shutter camera is designated to capture an image by simultaneously exposing all the pixels in its image sensor to light for a brief period of time. Unlike a rolling shutter camera, which scans the image sensor row by row, a global shutter camera captures the entire image instantaneously.
Rolling Shutter Distortion
Rolling shutter distortion is an effect that can occur while using rolling shutter camera to capture fast-moving subjects. It is caused by the delay between the beginning and the end of the sensor readout, this can result in vertical or horizontal lines appearing bent or slanted, giving the image a distorted appearance.
Since the rolling shutter captures different parts of the image at slightly different times, it can create motion blurriness. When there is an object moving at a very high-speed, it may appear distorted or elongated due to the time difference in capturing different parts of the target. This can be particularly noticeable in situations such as sports photography or capturing moving vehicles.
A faster shutter speed can help to the amount of time that the sensor is exposed to light. This means that there is less time for the subject to move while the sensor is being read, which can help to reduce motion artifacts. However… even with a fast shutter speed, rolling shutter distortion can still occur if the subject is moving at a very high speed. In these cases, the only solution is to use a global shutter equipped camera. For catching high speed or motion image, we recommend to try our USB global shutter camera to see the advantages.