Did you ever think image mosaics are something that can only be rendered on server side? Not true. Here’s a very interesting post that gives exemplifies the generation of image mosaics using AJAX. The authors employs a JavaScript binary file reader and uses the raw values from greyscale BMPs to find the mosaic.

The approach for mosaic creation is simply yet effective: The overall luminance of an image is taken as “single value descriptor” and single pixels are substituted by very small BMPs. Here’s a link to the  Ajax mosaic builder, describing the Ajax way of mosaic creation and here’s the Lire Demo (An Open Source Java Content Based Image Retrieval Library). The offline way for image mosaic creation (also featuring colored images and formats different from BMP)

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