This dialog corrects exposure problems in a picture. You will be surprised at the positive effects the following 4 tabs can have on many of your photographs:
Performs automatic contrast adjustment. The contrast is adjusted automatically by stretching the histogram between the minimum and the maximum optimized values. The option is provided in case you want to stretch each color channel separately.
Example of Auto Contrast:
Performs 3 adjustments on RGB channels are changed at same time with these operations., and . All 3
Brightness is a linear function applied to the histogram range. Increasing or Decreasing brightness will affect all values in the histogram of the picture by the same amount. So dark and bright pixels will result brighter or darker by the same amount.
Contrast is also a linear function applied to the histogram range. Increasing or Decreasing the Contrast will modify differently dark and bright pixels. Increasing Contrast, dark pixels will become more dark and bright ones will become even brighter.
You can use the decrease the contrast, without loosing color information in the picture. To Adjust Brightness and Contrast more precisely you should use the Levels Tab, where it's possible to modify separately at the same time Shadows, Midtones and Hilights.option to
Gamma correction is a non-linear correction that is based on an exponential formula. A Gamma curve represents the way usual monitors reproduce and display RGB values. This monitor conversion is necessary since the human eye has a nonlinear response curve, in fact it is more sensitive to variations in low light than to an equal variation in bright light.
Applying a Gamma correction curve can thus simulate the effect of viewing a picture on a brighter or darker monitor.
Example of correcting Brightness, Contrast, Gamma
In the Levels Tab it's possible to regulate the Exposure, even for each RGB channel separately, by changing the amount of , and .
See the Histogram & Curves topic for more information.
Sometimes, there are parts of the picture which are under-exposed and need to be corrected. To recover details in these dark regions, it's not useful to use one of the more common regulations, because we will risk to over-expose the part of the picture that doesn't need any correction.
In order to solve this problem, we invented a smart algorithm, which affects only parts of the picture that need to be brought to light. You can regulate the amount to be applied on the picture by simply using a slider.
The algorithm is especially effective in some situations that will always happen, no matter how good a camera you have:
Example of Smart Flash
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CodedColor PhotoStudio by 1STEIN is an award-winning Windows photo viewer and editor to organize, edit, resize, reformat, correct, compare, sort, watermark, annotate and print digital images, and to edit EXIF and IPTC data in digital photos. You can rename multiple images, remove scratches, stich panoramas, convert RAW photos (from Canon, Nikon, Olympus, etc. cameras), burn digital watermarks, correct colors, batch convert and correct images and generate a web album in HTML5. The software is easier to use than Photoshop, but more versatile than ACDSee, Picasa, Irfanview or Gimp. Many magazines consider it to be the Swiss Knife of Image Editing. Have a look at our Before / After tutorials to get an idea of the powerful capabilities. The software comes with a detailed handbook and a fast database to store EXIF/IPTC data and color information. CodedColor PhotoStudio is the ideal image editing tool for every-day and professional digital camera users. The user friendly interface combines features like expert photo editing & printing, layer editing, web album galleries, slide shows, photo management & cataloging, custom sorting, IPTC & EXIF editor, GPS tagging, perspective correction, barrel distortion, effects, thumbnail generation, resize & resample images, batch conversion, database keyword searching, red eye removal, color/sharpness/brightness & contrast correction, artifact removal, clone brush, scanner & TWAIN import, screen capture, lossless JPEG rotation, transparency (alpha channel) and layers, gamma correction, screen shows with many transition effects, watermark text, image annotations, panorama stitch & animation, video capture, PDF album export, photo layouts, collages, frames, shadows, histograms, automatic white balance, photo sharing, etc. Opens and converts all common image formats: BMP, WMF, GIF, JPEG, JPEG2000, TIFF, PCX, PNG, PSP, PSD, PCD, HEIC, HEIF, AVIF and all current RAW formats. The installation includes our the CodedColor Publisher, a versatile photo layout and DTP tool to create individual and rich photo books.