Translate

Rabu, 19 Desember 2012

Choosing the Right Adjustment for Color Correction

Photoshop CS4 provides dozens of orders for adjustmentcolor correction option which is most appropriate.Auto ColorTo balance the colors mean value and setcolor tonal balance (as described earlier).This feature is very powerful for color correction.Brightness / ContrastAdjustment is how it works more to regulate tonalcompared to set the color. Therefore, this facility is not appropriatefor color correction.Figure 2-10: Preset Level adjust the tonal color of the Green Channel.LevelAlthough the primary function is to correct level of light on theimage, but if you work for RGB Color Mode and25thCMYK to prepare images for printing systemLevel Offset and color printers are very useful. In this casespecifically to perform color correction on the Channel.Figure 2-11: Setting the Curve on the Channel RedCurveAs with Level, Curve is also useful forcolor correction on Channel Colors. Compared with Level, Curveoften more effective.ExposureIt's not an option to do the color correction, but(As it were) set the aperture on the camera alone.VibranceIs a new feature in Photoshop CS4 adjustment. How it workssimple, the approach control color saturationneutral with saturated himself.Hue / SaturationIt is a very powerful feature for color correction. Withfeature, you can create new shadesimage you are working on. He has three sliders:26th  Hue, to create new shades in the image.  Saturation, to adjust the color density.  Lightness, to adjust the brightness of the color darker image.Figure 2-12: original image before set Hue / Saturation.Figure 2-13: Image is obtained entirely shadesdifferent after the Hue and Saturation changed her.Color BalanceThrough this tool you can set highlight, midtone, and shadowthe processed image. Color Balance With this, you can alsoimage processing to obtain special effects. ColorBalance also provides colors Cyan, Red, Magenta,27thYellow, and Blue as a counterweight so that you can setintensity of each color.Figure 2-14: Image originally before changing the Color Balance.Figure 2-15: Once the color is directed to a color kemerahmerahan.Photo FiltersThis is actually more likely than the color adjustmentfilter. The aim is to give the impression of the object image intodirection of color or a certain situation. For example, in order to impress the object imagecool or cold, then the image was given a blue filter, so impressedwarm, then given a red filter, and so on.28thFigure 2-16: A photograph with three different color filter effects.In addition to the color filter option, you can also adjust the darknesscolor filter it by dragging the slider or type valueparticular.Black and WhiteThis is a feature to create a color photo to black,but not to convert them into greyscale. Black colorvalues ​​obtained with the white color elements compose Red,Yellow, Green, Cyan, Blue, and Magenta as the example imagefollowing.29thFigure 2-17: A color photograph is shown to beblack and white by setting the slider of each colorwith a particular value.The advantage when using this feature, the value of the color contentphotos are not removed as if converted. So, youcan play a specific color in the photo to giveblack color. For example, a blue color elements derived intensityso when the display to black and white, then darknesswill decrease.Figure 2-18: Between the color and the original photo resultswhen using the Black & White Preset with a choice"High Contrast Blue Filter".30thBlack & White with a certain color trends. Well, this is certainlyin contrast to the use of a direct tendency Photo Filterscolor on a particular color, but after imageshown in black and white, it would appear that the third colorTint or tendency termed soft colors.Well, Tint you can select by clicking on Tint box sothe left will appear alias tick tick,'re on the right is a box containing the samplecolor. If you click on it, a dialog box will appear Select TargetColor is none other than the Color Picker dialog box.Figure 2-19: Image that has been made by Black & WhiteTint color "Light Magenta".Channel MixerColor correction was conducted through a particular color channel. Inwhich in certain cases, if you find there ischannel were damaged in an image, now, through this featurerepairs can be made.31Figure 2-20: The Channel Mixer Channel you can choose whichthat needs to be corrected.InvertFacility to reverse the image color as the negative film.This adjustment without using dialog boxes and palettesown. Invert not a tool for color correction.PosterizePosterize is a means to simplify the colors toobtained effects such as posters printed (screen printing).The lower the position of the slider, the more clearly the difference between apart of the color to the color of the other as if nothing happened gradationdiscoloration. Increasing the level of the slider values, the increasing fineness of gradation.The examples in the following pages illustrate the levelgradation level of the low, which is 2 to 100 (theHighest 255). You can use this to get the PosterizeArtistic photo effects

Tidak ada komentar:

Posting Komentar