ImageEn

Preview of Color Adjustment Methods


The "Every Method" editing demo allows you to preview 300 editing, analysis and effects methods.


Image Editing Methods
Analysis Methods
Color Adjustment Methods
Color Depth Methods
Detection Methods
Effects Methods
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Smoothing Methods
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Interactive Tools

 Test Images

ImageEnView1.IO.LoadFromFile( 'D:\ImageTest1.jpg' );

  


 AdjustGainOffset

// Adjust image luminosity by stretching colors to the maximum allowed value
ImageEnView1.Proc.AdjustGainOffset();

  


 AdjustBrightnessContrastSaturation

// Enhance brightness, contrast and color saturation
ImageEnView1.Proc.AdjustBrightnessContrastSaturation( 50, 10, 10 );

  


 AdjustLevels

// Shift the midpoint of the image to brighten it
ImageEnView1.Proc.AdjustLevels( 0, 102, 201, 0, 255 );

  


 AdjustLumSatHistogram

// Increase the Saturation and Luminance
ImageEnView1.Proc.AdjustLumSatHistogram( 0.25, 0.25 );

  


 AdjustSaturation

// Decrease the saturation (make image more gray).
ImageEnView1.Proc.AdjustSaturation( -50 );

  


 AdjustTemperature

// Adjust the image temperature
ImageEnView1.Proc.AdjustTemperature( 13000 );

  


 AdjustTint

// Adjust the color tint by 60 deg.
ImageEnView1.Proc.AdjustTint( 60 );

  


 ApplyCubeLUT

// Apply a "Cinematic" LUT to the image
ImageEnView1.Proc.ApplyCubeLUT( 'D:\cinematic.cube' );

  


 AutoImageEnhance1

// Improve the contrast and colors in the image
ImageEnView1.Proc.AutoImageEnhance1();

  


 AutoImageEnhance2

// Use a "Retinex" algorithm to simulate how humans see the world
ImageEnView1.Proc.AutoImageEnhance2();

  


 AutoImageEnhance3

// Enhance luminosity by applying a local adaptation tone mapping algorithm
ImageEnView1.Proc.AutoImageEnhance3();

  


 Colorize

// Colorize the image with a sepia look
ImageEnView1.Proc.Colorize( 40, 50, 1.1 );

  


 Contrast

// Increase the contrast
ImageEnView1.Proc.Contrast( 50 );

  


 Contrast2

// Reduce the contrast (alternative method)
ImageEnView1.Proc.Contrast2( -0.3 );

  


 Contrast3

// Apply Contrast of +20 to all RGB values around the default Midpoint value
ImageEnView1.Proc.Contrast3( 20, 0, True, True, True );

  


 ConvertToGray

// Convert to gray levels
ImageEnView1.Proc.ConvertToGray();

  


 ConvertToSepia

// Apply a sepia effect to the image
ImageEnView1.Proc.ConvertToSepia();

  


 DisposeChannels

 // Set Blue and Green channels to 0, leaving only Red
ImageEnView1.Proc.DisposeChannels( '00R' );

  

// Invert the Red and Blue channels
ImageEnView1.Proc.DisposeChannels( 'RGB' );

  


 GammaCorrect

// Apply gamma correction over all channels (RGB)
ImageEnView1.Proc.GammaCorrect( 2, [iecRed, iecGreen, iecBlue] );

  


 HistAutoEqualize

// Equalizes the color histogram of the selected region
ImageEnView1.Proc.HistAutoEqualize();

  


 HistEqualize

// Compress the color histogram
ImageEnView1.Proc.HistEqualize( CreateRGB(50, 50, 50), CreateRGB(150, 150, 150) );

  


 HSLvar

// Change the Hue, Saturation and Luminosity
ImageEnView1.Proc.HSLvar( 30, 10, 10 );

  


 HSVvar

// Change the Hue, Saturation and Value
ImageEnView1.Proc.HSVvar( 30, 10, 10 );

  


 IntensityRGBAll

// Adjust the RGB channel
ImageEnView1.Proc.IntensityRGBAll( 5, 10, 15 );

  


 Intensity

// Apply an Intensity gradient peaking at +40 to all RGB values between 80 and 255
ImageEnView1.Proc.Intensity( 80, 255, 40, False, True, True, True );

  


 MatchHSVRange

// Make any bluish colors in the image absolutely blue
ImageEnView1.Proc.MatchHSVRange( 170, 260, 20, 99, 0, 99, True, CreateRGB( 0, 0, 255 ), False, CreateRGB( 255, 255, 255 ));

  


 Negative

// Invert the image colors
ImageEnView1.Proc.Negative();

  


 MapGrayToColor

// Apply a gradient palette to image
colorMap := GenerateGradientPalette( clYellow, clGreen, 256 );
ImageEnView1.Proc.MapGrayToColor(colorMap);

  

// Apply HotMetalBlue palette to image
colorMap := GenerateDicomColorPalette( iectHotMetalBlue );
ImageEnView1.Proc.MapGrayToColor(colorMap);

  


 SetFromRGBChannels

// Flip the red channel vertically and the blue channel horizontally of an image
ImageEnView1.Proc.GetRGBChannelAll( bmpR, bmpG, bmpB );
bmpR.Flip( fdVertical );
bmpB.Flip( fdHorizontal );
ImageEnView1.Proc.SetFromRGBChannels( bmpR, bmpG, bmpB );

  


 StretchValues

// Trim top and bottom 10% of color range
ImageEnView1.IEBitmap.BlackValue := 25;
ImageEnView1.IEBitmap.WhiteValue := 230;
ImageEnView1.IEBitmap.StretchValues();   // Permanently apply changes

  


 Threshold

// Change all values less than R/G/B of 64 to black
ImageEnView1.Proc.Threshold( CreateRGB(64, 64, 64), CreateRGB(255, 255, 255), CreateRGB(0, 0, 0), CreateRGB(255, 255, 255) );

  

// Change all values greater than R/G/B of 192 to white
ImageEnView1.Proc.Threshold( CreateRGB(0, 0, 0), CreateRGB(192, 192, 192), CreateRGB(0, 0, 0), CreateRGB(255, 255, 255) );

  


 WallisFilter

// Apply a Wallis Filter to the image
ImageEnView1.Proc.WallisFilter();

  


 WhiteBalance_AutoWhite

// Shift image colors by adjusting the white range
ImageEnView1.Proc.WhiteBalance_AutoWhite();

  


 WhiteBalance_Coef

// Decrease red level by 0.8
ImageEnView1.Proc.WhiteBalance_Coef( 0.8, 1, 1 );

  


 WhiteBalance_GrayWorld

// Adjust image colors by applying the white balance algorithm "Gray World"
ImageEnView1.Proc.WhiteBalance_GrayWorld();

  


 WhiteBalance_WhiteAt

// Shift image colors by adjusting the white range (based on the white of the pixel at the center of the image).
ImageEnView1.Proc.WhiteBalance_WhiteAt( ImageEnView1.IEBitmap.Width div 2, ImageEnView1.IEBitmap.Height div 2 );

  


 threshold (IEVision)

// Apply a fixed-level threshold to each pixel element
ImageEnView1.IEBitmap.PixelFormat := ie8g;
ImageEnView1.IEBitmap.GetIEVisionImage().threshold(0, 255, ievTHRESH_BINARY or ievTHRESH_OTSU);
ImageEnView1.Update();

  



See Also

Analysis Methods
Color Adjustment Methods
Color Depth Methods
Detection Methods
Effects Methods
Filter Methods
Geometric Methods
Painting and Alpha Methods
Smoothing Methods
Other Methods
Interactive Tools