Photo Mosaic Movie Brush ReColorization

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Photo Mosaic Movie Brush ReColorization

Yesterday’s post covered a tremendous amount of material devoted to building path start regionization photo mosaic effects based on movie source brushes. Today’s post will just focus on the issue of movie frame index modulation on algorithms for recolorizing movie source brush frame images.

Please Note there are several video tutorials on Mosaics here

The first gallery image below shows a photo mosaic image generated using a graffiti movie source brush with RGB Mapping 1D frame index modulation. So the frame colors you see are the actual original movie frames, trying to do the best job they can to reproduce a sunflower image. The second gallery image shows the same photo mosaic built with the same individual movie frames, but using the Image Processing Paint Brush Load functionality of the paint synthesizer to recolorize the individual movie frames to better reproduce the sunflower source image local coloring.

The particular paint synthesizer programing approach we are taking to building photo mosaic images is much simpler in the examples we will be looking at today (as compared to yesterday’s post). The gallery below shows the control panel settings we will be using for the photo mosaic images generated in this post.

The paint preset I started with for this example is in the 3.5 Collection : Graffiti Brushes paint preset category and is called Graffiti Grid Scan3. Note that it is using a GridScan path start Generator. The grid spacing is based on the maximum brush size. The Path Shape control panel shows that the max path length is set to 1, so only a single paint brush nib is laid down at each grid point (as opposed to a continuous paint path of some longer length made of multiple brush nibs laid out along the path).

A movie source brush is bring used, based on a movie file containing 385 graffiti images. Note that for the examples below I have hand edited the MB 1D Frame Mod control to Start Scan Cycle Forward. I did this because I wanted to use the same sequence of movie frame images for each re-coloring example, and I didn’t want the frames to have any direct relationship to the coloring of the source image at all.

The image gallery below shows off different Algorithm control settings in the Paint Brush Load control panel. The 1st gallery image is using the Algorithm parameter set to None, so it’s just displaying the frame images with no recoloring. Note that the generated photo mosaic canvas has no relationship to the sunflower source image at all.

The remaining gallery images above will showcase different Algorithms you can use to recolor the source movie frames. They are as follows:

2nd gallery image – Paint Color Mean Shift

3rd gallery image – Paint Color Mean Shift1

4th gallery image – Paint Color HueShift

5th gallery image – Paint Color HueSet

6th gallery image – Paint Color HueSatSet

7th gallery image – PaintColor MeanShift3

8th gallery image – Paint Color HueShift1

9th gallery image – Paint Color HueSet1

10th gallery image – Paint Color HueSatSet1

After looking through the above image gallery, I think you should come away understanding 2 different points. First, by using different re-colorization Algorithms you can take any set of images and colorize them to reproduce local source image coloring in different ways. Second, each of the different Algorithms shown above for the purpose of re-colorizing the source movie frame images leads to a very different visual aesthetic and associated mood.

There are additional Algorithm options we did not showcase above that can also be used for re-colorization. Both Map Fixed Color 1-2 and Paint MeanShift3 Fixed Color 1-2 options for the Algorithm work off of the colors generated by the Fixed Colors control panel in the paint synthesizer. This control panel allows you to automatically build 2 different fixed colors that can track the current source color in many different ways. You can build opponent, tri-opponent, analogous, and many other coloring schemes by working with the different editable parameters in the Fixed Colors control panel.

You should also note that the image processing brush load control panel allows for 2 different Algorithms to be used at the same time. So that increases the range of different colorization effects you can achieve as well.

Category: Mosaics

Photo Mosaic Movie Brush ReColorization

Please Note there are several video tutorials on Mosaics here

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