Java Image Filters 是由 Jhlabs 开发的一组用来处理 Java 图像的类库，提供各种常用的图像处理效果，例如反转色、扭曲、水波纹、凹凸、黑白效果等等数十种效果，如下图所示：
Color Adjustment Filters
- ChannelMixFilter - Mixes the RGB channels
- ContrastFilter - Adjusts brightness and contrast
- CurvesFilter - Apply adjustment curves to an image
- DiffusionFilter - Error-diffusion dithering
- DitherFilter - Ordered dithering
- ExposureFilter - Change the exposure of an image
- GainFilter - Adjusts gain and bias
- GammaFilter - Adjusts image gamma
- GrayFilter - Grays out an image
- GrayscaleFilter - Converts to grayscale
- HSBAdjustFilter - Adjusts hue, saturation and brightness
- InvertAlphaFilter - Inverts the alpha channel
- InvertFilter - Inverts image colors
- LevelsFilter - Adjust image levels
- LookupFilter - Change image colors with a lookup table
- MapColorsFilter - Replace a color
- MaskFilter - Channel masking
- PosterizeFilter - Posterization
- QuantizeFilter - Quantize an image to 256 colors for, say, GIF export
- RescaleFilter - Multiplies colors by a scaling factor
- RGBAdjustFilter - Adjusts red, green and blue levels
- SolarizeFilter - Solarization
- ThresholdFilter - Thresholding
- TritoneFilter - Create a tri-tone image
Distortion and Warping Filters
- BicubicScaleFilter - Scaling with bicubic interpolation
- CircleFilter - Wrap an image around a circle
- CropFilter - Crop an area from an image
- DiffuseFilter - Diffuse the pixels of an image
- DisplaceFilter - A glass distortion effect
- DissolveFilter - Dissolves an image by turning random pixels transparent
- FieldWarpFilter - Warp images using a field warp algorithm
- FlipFilter - Flip and rotate images
- KaleidoscopeFilter - A kaleidoscope effect
- MarbleFilter - A marbling effect
- MirrorFilter - Mirror an image
- OffsetFilter - Offset an image for tiling
- PerspectiveFilter - Perspective distortion
- PinchFilter - Whirl-and-pinch distortion
- PolarFilter - Convert to and from polar coordinates
- RippleFilter - Ripple distortion
- RotateFilter - Rotate an image
- ScaleFilter - Scale an image with area-averaging
- ShearFilter - Shear an image
- SphereFilter - Lens distortion
- SwimFilter - An "underwater" distortion effect
- TileImageFilter - Tile an image into a larger image
- TwirlFilter - Distort an image by twisting
- WarpFilter - A general grid image warp
- WaterFilter - Simulate water ripples
Effects Filters
- BlockFilter - Mosaic or pixellate an image
- BorderFilter - Add a border
- ChromeFilter - Simulate chrome
- ColorHalftoneFilter - Color halftoning effect.
- CrystallizeFilter - Make an image look like stained glass
- EmbossFilter - Simple embossing
- FeedbackFilter - A video feedback effect
- HalftoneFilter - Simple halftoning
- LightFilter - Simulate lights on an bump-mapped image
- NoiseFilter - Add noise
- PointillizeFilter - Draw an image as colored spots
- ShadowFilter - Create drop shadows
- ShapeFilter - Create bump maps for lighting
- StampFilter - A rubber stamp effect
- WeaveFilter - A woven image effect
Texturing Filters
- BrushedMetalFilter - Created brushed metal
- CausticsFilter - Simulate underwater caustics
- CellularFilter - Cellular texturing
- CheckFilter - Draw a checkerboard pattern
- FBMFilter - Fractal Brownian motion texturing
- FillFilter - Fill an image with a color
- FlareFilter - Create lens flares
- FourColorFilter - Draw a four-color gradient
- GradientFilter - Draw radial, linear, fan and square gradients
- PlasmaFilter - Create plasma
- TextureFilter - Perlin noise texturing
- ScratchFilter - Render lines or scratches
- SmearFilter - Painting effects
- SparkleFilter - Render sparkles
- WoodFilter -Create a wood texture
Blurring and Sharpening Filters
- BlurFilter - Simple blur
- BoxBlurFilter - Box blur
- BumpFilter - Edge embossing
- ConvolveFilter - General convolution
- DespeckleFilter - De-speckle an image
- GaussianFilter - Gaussian blur
- GlowFilter - Add a glow to an image
- HighPassFilter - Remove low spatial frequencies
- LensBlurFilter - Simulate camera lens blur
- MaximumFilter - Dilation
- MedianFilter - Median filter for noise reduction
- MinimumFilter - Erosion
- MotionBlurFilter - Simulate motion blur
- OilFilter - Oil painting effect
- RaysFilter - Create light rays
- ReduceNoiseFilter - Remove noise from an image
- SharpenFilter - Simple sharpening
- SmartBlurFilter - A thresholded blur for ironing out wrinkles
- UnsharpFilter - Sharpening by unsharp masking
- VariableBlurFilter - Blurring with a variable radius taken from a mask
Edge Detection
- DoGFilter - Edge detection by Difference of Gaussians
- EdgeFilter - Edge detection
- LaplaceFilter - Edge detection by Laplace operator
Transitions
- BlurTransition - Transition with a blur
- GradientWipeFilter - Use a mask to dissolve one image into another
Alpha Channel Filters
- OpacityFilter - Change image opacity
- PremultiplyFilter - Premultiply an image
- UnpremultiplyFilter - Unpremultiply an image
Other Filters
- CompoundFilter - Apply two filters in sequence
- IteratedFilter - Iterate another filter
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