Large, high-end, innovative displays on any surface

SDT’s first application of automatic feedback image correction was to implement a Multi-Projector System with EasyBlend to automatically recalibrate and maintain the quality of the image.

There are many multiple projector installations but they are typically aligned by hand, a painstaking and costly process that usually takes several hours per projector. With our EasyBlend software’s purely digital approach to autocalibration and edge blending, it is easy to set up multiple projectors to project innovative displays with higher intensities and higher resolution - at lower equipment and labor costs.

Project top-quality displays onto high-aspect ratio and/or complex surfaces previously unusable for technical or financial reasons. Tile or stack multiple projectors for displays of extreme size and unusual shape in narrow areas or on irregular surfaces. Even 360° displays are feasible. Whether the surface is flat, curved, spherical, or random, our calibration solution always makes the colors and geometry of your display stand out.

With our system event staging, digital signage and simulation companies can:

• Use four 3,500 lumen XGA projectors to create a 14,000 lumen 1080p display
• Total cost of less than $25,000 achieves performance levels of single projector systems costing twice as much
• Implement 10 megapixel monitors for professional graphics and engineering workstations
• Create gapless video walls and digital wall paper with extreme resolution
• Build affordable gigapixel displays for simulation/VR/mapping
• Set up projectors at odd angles and automatically calibrate to ensure a smooth image
• Implement systems in which short throw distances are a constraint

Thin digital wall paper with extreme resolution

Until recently, video walls were built with modules. Unfortunately the thin spaces between the modules were easily visible resulting in a “window pane” effect. Current video wall designs are built with multiple rear projection equipment. This produces large seamless displays, but this design requires frequent mechanical alignment and color calibration in order to maintain image quality. Without frequent realignment, the slight color and intensity differences among the individual projectors are easily discernable.

Because of the tedious mechanical alignment difficulties, video walls that use rear projectors typically employ no more than four projectors. However, using a larger number of smaller projectors allows the construction of video walls that are bigger and desirably thinner.

Many video walls in public spaces like transportation facilities and department stores employ video walls that are 20 feet x 20 feet and larger. Such large systems are usually modular and consist of 10 or 20 video modules. While it is feasible to construct mechanically aligned systems with 10 or 20 projectors, it is certainly not convenient. EasyBlend eliminates the mechanical alignment and calibration process so that you can now:

1. Use tilable, overlapping projectors which remove the “window pane” effect and create giant seamless displays
2. Keep separate modules balanced in color and intensity, maintaining a high quality image – without the need for a technician

High resolution very large curved monitors

This same autocalibration technique can be used for very high resolution, very large desktop monitors. In the mockup of a large curved desktop monitor, below, microprojectors are mounted behind the display surface. As an example, 24 microprojectors could be used to cover the entire screen. If each microprojector had a resolution of 1024 x 768, then the 24-projector array would easily provide 16 megapixels of resolution.

A high resolution, very large desktop monitor is the ideal solution for engineers, traders, designers and architects who need to view multiple simultaneous computer screen images.

Download the Technology and Applications brochure