How To Make High-quality Printing System Image (below) - Image Processing, Prepress, Exchange Of

Handle the color of the normal relations

Handle the color of the normal relations

The current number of color printing, color processing is very messy, can not restore the original color, many customers (many of whom are painters, photographers and other artists) not satisfied, write a special article, a photographer, said: "In the color printing, often see colorful images to make the expense of normal relations between color, regardless of the specific color of a specific location in the screen, should be adjusted very pure, this despite Yan Yan, but it appears to color the whole picture messy.

This is the most operators did not restore the original master color separation and lack of standardization of scanning on the color of artistic knowledge, just look at the display colors, adjust the result of subjective arbitrariness, and often too much to adjust the volume, range too large. Solution is:

1. Well standardized, data-based color management, this is the most important basic work. Even with the automation of color management software, they must have this foundation, so that the whole process has a stable environment. Method steps are:

(1) First of all worked out after the process photocomposition, proofing, proofing technical parameters and quality standards, and make it stable.

(2) ladder standard gray scale, color and the color restored original test, to establish a set of gray balance parameter set to ensure that original in the gray, complex color reduction.

(C) enter the gray balance color correction based on the amount of prospective school colors, to R, Y, G, C, B, M 6 hue of the reduction, to ensure the original color restored. After doing the above work, scanning color separation, as long as the correct black, white set, you can restore the original color, do not need to be little or no post-processing, and using Photoshop software tools to adjust, only to meet customer request of the original number of defects to be adjusted.

2. Take full advantage of the best image scanner, color separation operating image scanning currently scheduled to be out of a misunderstanding, that the high-end professional scanners and electronic extension as a simple input device, its powerful professional features have no use or use properly, but the black and white field calibration, level adjustment, color correction, sharpness using Photoshop software tools emphasize all adjustments, which adjustments will not only long, unstable and often one of a kind of tune, even transferred one at a time like a man, diverse, and because there are very few scanned color image color separation layers of information, then using Photoshop software tools can not adjust the color levels to better. Moreover, images such as painting and photography Artistic Conception and the subtle changes in color level is not out of tune.

Many outstanding colleagues both in practice such an experience, "to be a good final printed product, the product all the information needed to start the scan from the original draft would get from this is like To recorded music, the first microphone is better, otherwise the quality out of the question.

Now many good data out of print color management unit, using the "Restore original standardization of color separation scanning" to achieve faster and better to restore the original results, this, the unit provides customer requirements to restore original scan color separation image, not allowed to post processing, such as poor quality on the re-scan. When Apple made on the scanner, electric extension scanned images, can only repair equipment, shear, or for some special treatment, can not adjust the picture level, color and clarity, or to zoom in, which is to improve quality and efficiency the only way.

3. Dealing with the four essentials of color. Adjust the original color saturation and lack of local defects, should understand the following four essentials:

(A) of the additive and subtractive not excessive. First, the basic colors plus color can not be too large, the basic color in order to maintain the level, not because of the increase caused by excessive levels of color and class; second is the opposite of no-color color correction too large to maintain the color of light and shade, The relationship between light and shadow , to school because of the opposite color color caused by excessive simplicity.

(B) maintain the color of the color content and light intensity level of the relationship between adjustment of a color, you can not transfer part of the light color more than the amount of tone color parts, can not transfer some of the colors in more than dark Some of the color adjustment amount, to maintain the color of the color content and light intensity levels of light and shade, depth of relationship. At present, some printed, some bright colors to adjust too deep too heavy, the color of the darkened part of the deal too little too bright, the normal relationship between loss of color, giving an uncomfortable feeling.

by: gaga

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