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Projector Edge Blending Software BETTER

In order for edge blending to take effect, you need to have your slices partially cover the same area of your composition. This overlap should mimic the physical overlap of the projectors on your surface. In other words, you need to make sure that the slices overlap the same way as your physical projectors do in the real physical world.

Projector Edge Blending Software

Traditionally, warp and blend is integrated into the projector or done using custom hardware appliances which adds performance delay to the display pipeline. It can also be done using software applications but that may not conform to all use cases. Since the pixel information is already available to the GPU, the GPU is the natural place to do this work. GPUs also bring additional benefits to warp and blend:

Multi-projection is made possible through two or more projectors, to achieve a display larger in size and resolution. The projection is considered good when viewers are unaware of the fact that the projection is achieved through multiple projectors. Instead, to them, it appears to come from a single projector; this is the most successful seamless edge blending.

1. Geometry adjustments for seamless edge blending(1-1) Optical Alignment, adjustment of the Lens Shift and Zoom of lens increases the precision and flexibility of projection locations. There are two ways to adjust them, the first one is manual adjustment, which is a knob for Lens Shift, and a ring for Zoom, the second one is automatic adjustment. By comparison, automatic adjustment offers not only higher precision and reliability, but also speedy geometry adjustment, which is convenient and saves time.(1-2) In terms of geometry positioning, there are two methods in general, external software or built-in image warping/edge blending processor. Aside from basic adjustment of the four corners, it also need to be able to freely adjust any regions within the projection, that way, it would be able to support edge blending of not only regular rectangle outputs, but also irregular shaped outputs such as arcs, columns etc. The higher the warping resolution (more grid blocks), the higher the amount of precision one can achieve, for a better seamless effect.2. Image consistency (i.e. consistency of brightness and color)(2.1) Prior to image blending apply basic configurations to each projector, including setting the same picture mode, color temperature and brightness, and measures color parameters to lower the optical parameter differences between projectors.(2.2) After image blending make brightness and color adjustments, including increasing the white level of the overlapping region, decreasing the black level at the non-overlapping region as well as adjusting RGB color parameters, so that the overall projection has both even brightness and color.Accurate geometry positioning and consistent imagery would be able to satisfy the performance requirements of multi-projection.Compared to other (LCD) projection technologies, DLP projection can produce dark (black) levels with much lower brightness. Other technologies cannot output relatively low brightness for black images, which is already visible in a single projection setting; In a multi-projection setting, projection overlap would amplify the brightness of black images, which cause them to be visually not black enough. Since DLP projections have low brightness for black images, they can offer higher contrast in multi-projection settings.

The versatility and flexibility is unrivalled: VIOSO Anyblend hooks into the Windows desktop-applications and replaces their original appearance with a soft edge blended output across multiple projectors in native resolution.

The calculated and captured display parameters are directly applied to the computer operating system eliminating the need for additional warping and blending hardware. VIOSO Anyblend works with any projector and is application agnostic.

This tool allows simple configuration of multiple units when building an edge blending system. Simply connect the units in the system to a computer Via RS232 or Ethernet and follow the instructions on screen, the application will take you through the edge blending procedure step by step.

There are big screens and then there are BIG screens. This article is for those going BIG! Churches, Concerts, Drive-in Movie Theaters, Parks, Art Installations, Sporting Events and more. But just how do you project an image that big? The answer just might be edge blending, a large venue projector or both.

Edge blending combines multiple projectors, allowing you to move beyond the limitations of a single projector to create bright, massive, seamless, incredibly high-resolution displays. When the audience believes the image comes from a single source you can consider the edge blending successful.

Some high-end projectors include a processor with the ability to blend multiple images seamlessly, while standard projectors may require presentation media software to accomplish a perfectly aligned and seamless image.

Fly Elise-ng Immersive Calibration PRO v5.0.2 Fly Elise-ng proudly announces new major version of Immersive Calibration PRO v5.0.2. No other auto-align and edge-blend software can match Immersive Calibration PRO most versatile and complete features set. Release notes:...

Design for multi-view perspective correction Fly Elise-ng offers the most versatile and most advanced multi-projector design, auto-alignment and edge-blend software solutions.Our Immersive Calibration PRO and Immersive Display PRO auto-alignment and edge-blend tools...

Immersive Calibration PRO One-click auto-alignment Did you know that Fly Elise-ng Immersive Calibration PRO software has one of the most advanced functions for single-click auto-alignment and edge-blending using one or more cameras for projector scanning.But did you...

The software offers the most advanced auto-alignment tools and algorithms for calibration of multi-channel projection, geometrical correction and soft-edge blending including automatic camera based auto-alignment.

Fly Elise-ng is dynamic and innovative company founded in 2010. Years of experience and development of flight simulators resulted in set of professional products for multi-projector displays, auto-alignment and soft-edge blendingo

Dynamic Blend is a feature of the disguise software that enables automatic calculation of soft edge blends across projectors automatically. The disguise software can do this as long as it has accurate information of where the projector is in 3D space.

Yes/No. This allows you to snapshot the soft edge mask generated by dynamic blend, edit it in external program, then have it re-applied to the projector. The texture files will appear in the DxTexture folder.

Edge blending is basically the projection equivalent of an LCD video wall where instead multiple projectors work together to produce a single image. Each projector displays a portion of the image, with each of the images overlapping slightly in order to create a seamless display. Due to the overlap creating double brightness, the projector needs to adjust its brightness in these specific areas of the screen to remove this hot spot and create a perfectly balanced image. You can get edge blending projectors that have the ability built in, but we prefer to use software and more easily accessible projectors that can work for projects limited by budget.

Typically, this is done to increase the size of a projected image to make a very wide image, or by combining a number of lower resolution devices together to increase the total resolution of a display. In both cases, a number of projectors are needed which are firstly overlapped and then visually joined together using an edge blending technique.

At first glance it might appear that the easiest way to produce this image across three projectors would be to line up the projectors next to each other. This method is technically referred to as image butting because the projected images are butted up next to one another. To try and accomplish this, the projectors are carefully arranged so that the right-hand edge of the left-hand projector sits perfectly next to the left-hand edge of the right-hand projector.

Unfortunately, achieving a seamless image using this technique is near impossible. In principle it sounds easy, but in practice it is very hard to do. There are a couple of reasons for this. Firstly, different projectors have different characteristics, even if you are using the same brand and model. For example, an image may drift as they warm up and the brightness and colors will also differ slightly even if the same projector brand and model are used. Secondly, it is a difficult task to manually adjust a projector to exactly the right position so that they match up at the edges. Some areas will overlap whilst others will have a gap. This results in a tiled appearance, rather than a seamless one as shown in Figure 2.

The answer lies with the use of image blending. When image blending, we overlap projectors to create what is referred to as an overlap region. For a detailed description about overlapping regions, please read our explanation here. In this overlapping region the same proportion of the image is projected from both projectors to provide a duplicate image region. This means we can no longer simply cut the projected image into exact parts to match the exact resolution of the total number of pixels used in all projectors, but we now have to compensate for overlapping regions.

To overcome the double brightness in the overlapping regions, we can add a brightness (luminance) control function in each of these areas. On first appearances, we could halve the luminance of the overlap region, so that when the two projectors combine, it comes back to the full brightness on a single projector. Unfortunately that makes alignment almost as hard to line up as image butting. The solution is to blend the images together. This is where the blending part of the image blending name comes in: we gradually drop off the luminance from one side as we increase the luminance from the other as shown in Figure 5. 350c69d7ab


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