Lightnings taking a ride

by ceinmart

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Since you only have a black and white JPG there is no "color" information there. There is only shades of gray, "color" is lost. There is no 100% automated process to do this for you, you ll have to use a software to perform something like this: To perform digital colorization, a digitized copy of the best monochrome film print available is needed. ...


If this image were RAW, the color might still be there. But since it is JPEG, I'm afraid not. The fact that the image is in RGB format does not help, because I'd you look, you will find that in fact for each pixel, each of these values is set to the same thing: (0,0,0), (37,37,37), (221,221,221), or whatever. That is, they're all gray levels, just ...


Unfortunately, a JPEG is a one-way, destructive process. It may be RGB, but it no longer contains the colors originally present, only those written in the B&W conversion process. If you had the RAW (.CR2) file, however, you could recover the colors. Think of the RAW file as a master, and JPEGs are created from that.


You can but the result will be poor. First of all you need to disable the lighting from below, otherwise what you will get will be the reflection of the surface. Second you need to light the negatives from behind with some source of light that is both known and homogeneous: you don't want to have one side of the negative brighter than the other one. Third ...


Usually, when scanning film or slides, one uses a scanner that has a built-in backlight, illuminating the film from behind, thus overcoming exactly the problems you describe. Therefore, in order to use "regular" scanners as film scanners, one has to provide backlighting in some way. Here are several things people have tried: Build a "mirrorbox" from ...

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