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Camera Image Processing Technology

The RICOH Unified Communication System (RICOH UCS) adds reality to your communication over a video conference system. Distance seems to disappear as you experience image processing technologies available only from a system with an integrated camera.

The latest RICOH UCS P3500 features the following two technologies: “Increased camera performance” and “High image quality design.”

Increased camera performance

The camera integrated with the RICOH UCS P3500 features high performance, allowing users to enjoy realistic communication across a variety of scenes. Check the table below for the camera’s enhanced features:

Resolution
Improved to HD (1280x720)
Images are expressed realistically.
Sensitivity
Greatly enhanced exposure control
Automatically get optimum brightness whether you are in a dimly lit room or beside a bright window. Even when the image is from a dark room where a projector is used, you can read expressions on participants' faces.
Angle of view
Ultrawide-angle lens boasting a horizontal view angle of 125°
The camera even covers a participant sitting right next to the RICOH UCS terminal. You can look out over all participants for better communication.
Flicker suppression Suppression of flicker under a fluorescent lamp
Digital zooming
New feature: Digital zooming (x4 max.) (Remotely operable)
Enlarged images allow you to clearly see people's faces and small writing on the whiteboard.

High image quality design

The RICOH UCS P3500 features an image quality design available only from a system with an integrated camera. The design maximizes the quality of images users perceive.

With a video conference system, users see images via the Internet, where data traffic is limited by line conditions. Images sent over a limited bandwidth may require compression. Compression, however, can degrade the images.

Color tones of images from a camera may vary with the application used. External cameras like web cameras or HDMI® cameras may deliver unnatural images to the users of a video conference system, as these cameras do not compensate for application influences.

The RICOH UCS P3500 was carefully designed to deliver the highest image quality possible while efficiently compressing the images. Image noise usually degrades compression efficiency. The RICOH UCS P3500, however, processes the images properly, increasing compression efficiency while maintaining the clear image. The colors produced by the integrated camera are properly adjusted and optimized so that the RICOH UCS P3500 as a system delivers natural color reproduction to users.

Three of the image quality design features are described below:

Adjustment according to contrast around the edges

Enhancing the edges of an object increases the clearness of an image but causes flicker noise. This occurs because slight variations in the brightness along the edges are enhanced to look like significant variations, or because the brightness of the edges is near the threshold for enabling enhancement.

To overcome this problem, the RICOH UCS P3500 processes images according to the contrast and reduces flicker. (Figure 1)

Figure 1 : Comparison of edges (Network bandwidth: 2000 kbps up and 2000 kbps down)
Figure 1 Comparison of edges (Network bandwidth: 2000 kbps up and 2000 kbps down)
(Left: Image from ordinary camera, Right: Image from the RICOH UCS P3500)

Adjustment according to brightness of the surroundings

When brightness of the surroundings changes, the camera adjusts its gain (sensitivity) according to the change; consequently, random noise (signals of irregular frequencies) occurs. Random noise is particularly visible on images from a dimly lit room, where a projector is used and the camera increases its gain. Random noise obstructs accurate edge enhancement; the noise may be taken as an edge and enhanced by mistake. Random noise with some colors on the image can distract users during a conference.

Thus, in a dimly lit room, the RICOH UCS P3500 prioritizes continuity of communication rather than high resolution, optimizing image processing to minimize flicker resulting from colored random noise. In a bright room, random noise is unlikely and the RICOH UCS P3500 performs image processing responding to the brightness, keeping the image clear while reducing noise.

System-oriented color design of the integrated camera

As described earlier, images from a camera vary in tone depending on the application; this variation can make color reproduction unnatural. To ensure natural reproduction, the RICOH UCS P3500 adjusts colors from the integrated camera, optimizing them for the system. This ensures that users see natural colors. (Figure 2)

img:The object is the X-Rite ColorChecker Classic.
The object is the X-Rite® ColorChecker Classic.

Figure 2 : Comparison of colors
Figure 2 Comparison of colors
(Left: Before adjustment, Right: After adjustment)

As described above, the RICOH UCS P3500 boasts natural color reproduction, featuring a high-performance integrated camera whose colors are adjusted for optimal results on the system. Further, the above is just an example; through image quality design taking into account the video conference environment (including network traffic and room brightness), the RICOH UCS P3500 maximally enhances quality of the images users perceive.

The RICOH UCS will continue to add reality to communication through image processing technologies available only from a system integrated with a camera.

*HDMI is the registered trademark or trademark in the U.S.A. and other countries of HDMI Licensing, LLC.
*X-Rite is the registered trademark of X-Rite Incorporated.
Sorted by : field "Office Solutions" | product type "Visual Communication"