boofcv.android

Class VisualizeImageData

java.lang.Object

boofcv.android.VisualizeImageData

public class VisualizeImageData
extends java.lang.Object

Visualizes different types of image data into a color image which can be understood by humans.

Constructor Summary

Constructors

Constructor and Description
VisualizeImageData()

Method Summary

Modifier and Type	Method and Description
static void	binaryToBitmap(boofcv.struct.image.GrayU8 binary, boolean invert, android.graphics.Bitmap output, byte[] storage) Renders a binary image as a B&W bitmap.
static void	colorizeGradient(boofcv.struct.image.GrayF32 derivX, boofcv.struct.image.GrayF32 derivY, float maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders two gradients on the same image using two sets of colors, on for each input image.
static void	colorizeGradient(boofcv.struct.image.GrayS16 derivX, boofcv.struct.image.GrayS16 derivY, int maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders two gradients on the same image using two sets of colors, on for each input image.
static void	colorizeSign(boofcv.struct.image.GrayF32 input, float maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders positive and negative values as two different colors.
static void	colorizeSign(boofcv.struct.image.GrayS16 input, int maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders positive and negative values as two different colors.
static void	disparity(boofcv.struct.image.GrayF32 disparity, int minValue, int maxValue, int invalidColor, android.graphics.Bitmap output, byte[] storage) Colorizes a disparity image.
static void	disparity(boofcv.struct.image.GrayI disparity, int minValue, int maxValue, int invalidColor, android.graphics.Bitmap output, byte[] storage) Colorizes a disparity image.
static void	drawEdgeContours(java.util.List<boofcv.alg.feature.detect.edge.EdgeContour> contours, int[] colors, android.graphics.Bitmap output, byte[] storage) Draws each contour using a unique color.
static void	drawEdgeContours(java.util.List<boofcv.alg.feature.detect.edge.EdgeContour> contours, int color, android.graphics.Bitmap output, byte[] storage) Draws each contour using a single color.
static void	grayMagnitude(boofcv.struct.image.GrayF32 input, float maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders the image using its gray magnitude
static void	grayMagnitude(boofcv.struct.image.GrayS32 input, int maxAbsValue, android.graphics.Bitmap output, byte[] storage) Renders the image using its gray magnitude
static void	regionBorders(boofcv.struct.image.GrayS32 pixelToRegion, int borderColor, android.graphics.Bitmap output, byte[] storage) Draws border pixels of each region using the specified color.
static void	regionsColor(boofcv.struct.image.GrayS32 pixelToRegion, org.ddogleg.struct.FastQueue<float[]> segmentColor, android.graphics.Bitmap output, byte[] storage) Draws each region using the provided color
static void	renderLabeled(boofcv.struct.image.GrayS32 labelImage, int numRegions, android.graphics.Bitmap output, byte[] storage) Renders a labeled where each region is assigned a random color.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VisualizeImageData

public VisualizeImageData()

Method Detail

binaryToBitmap

public static void binaryToBitmap(boofcv.struct.image.GrayU8 binary,
                                  boolean invert,
                                  android.graphics.Bitmap output,
                                  byte[] storage)

Renders a binary image as a B&W bitmap. Create storage with ConvertBitmap.declareStorage(android.graphics.Bitmap, byte[]);

Parameters:

binary - (Input) Binary image.

invert - If true it will invert the output image.

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

colorizeSign

public static void colorizeSign(boofcv.struct.image.GrayS16 input,
                                int maxAbsValue,
                                android.graphics.Bitmap output,
                                byte[] storage)

Renders positive and negative values as two different colors.

Parameters:

input - (Input) Image with positive and negative values.

maxAbsValue - The largest absolute value of any pixel in the image. Set to < 0 if not known.

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

colorizeSign

public static void colorizeSign(boofcv.struct.image.GrayF32 input,
                                float maxAbsValue,
                                android.graphics.Bitmap output,
                                byte[] storage)

Renders positive and negative values as two different colors.

Parameters:

input - (Input) Image with positive and negative values.

maxAbsValue - The largest absolute value of any pixel in the image. Set to < 0 if not known.

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

grayMagnitude

public static void grayMagnitude(boofcv.struct.image.GrayS32 input,
                                 int maxAbsValue,
                                 android.graphics.Bitmap output,
                                 byte[] storage)

Renders the image using its gray magnitude

Parameters:

input - (Input) Image image

maxAbsValue - (Input) Largest absolute value of a pixel in the image

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

grayMagnitude

public static void grayMagnitude(boofcv.struct.image.GrayF32 input,
                                 float maxAbsValue,
                                 android.graphics.Bitmap output,
                                 byte[] storage)

Renders the image using its gray magnitude

Parameters:

input - (Input) Image image

maxAbsValue - (Input) Largest absolute value of a pixel in the image

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

colorizeGradient

public static void colorizeGradient(boofcv.struct.image.GrayS16 derivX,
                                    boofcv.struct.image.GrayS16 derivY,
                                    int maxAbsValue,
                                    android.graphics.Bitmap output,
                                    byte[] storage)

Renders two gradients on the same image using two sets of colors, on for each input image.

Parameters:

derivX - (Input) Image with positive and negative values.

derivY - (Input) Image with positive and negative values.

maxAbsValue - The largest absolute value of any pixel in the image. Set to < 0 if not known.

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

colorizeGradient

public static void colorizeGradient(boofcv.struct.image.GrayF32 derivX,
                                    boofcv.struct.image.GrayF32 derivY,
                                    float maxAbsValue,
                                    android.graphics.Bitmap output,
                                    byte[] storage)

Renders two gradients on the same image using two sets of colors, on for each input image.

Parameters:

derivX - (Input) Image with positive and negative values.

derivY - (Input) Image with positive and negative values.

maxAbsValue - The largest absolute value of any pixel in the image. Set to < 0 if not known.

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image.

disparity

public static void disparity(boofcv.struct.image.GrayI disparity,
                             int minValue,
                             int maxValue,
                             int invalidColor,
                             android.graphics.Bitmap output,
                             byte[] storage)

Colorizes a disparity image.

Parameters:

disparity - (Input) disparity image.

minValue - Minimum possible disparity

maxValue - Maximum possible disparity

invalidColor - RGB value of an invalid pixel

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image. Can be null.

disparity

public static void disparity(boofcv.struct.image.GrayF32 disparity,
                             int minValue,
                             int maxValue,
                             int invalidColor,
                             android.graphics.Bitmap output,
                             byte[] storage)

Colorizes a disparity image.

Parameters:

disparity - (Input) disparity image.

minValue - Minimum possible disparity

maxValue - Maximum possible disparity

invalidColor - RGB value of an invalid pixel

output - (Output) Bitmap ARGB_8888 image.

storage - Optional working buffer for Bitmap image. Can be null.

drawEdgeContours

public static void drawEdgeContours(java.util.List<boofcv.alg.feature.detect.edge.EdgeContour> contours,
                                    int[] colors,
                                    android.graphics.Bitmap output,
                                    byte[] storage)

Draws each contour using a unique color. Each segment of each edge is drawn using the same colors.

Parameters:

contours - List of edge contours

colors - RGB color for each edge

output - Where the output is written to

storage - Optional working buffer for Bitmap image. Can be null.

drawEdgeContours

public static void drawEdgeContours(java.util.List<boofcv.alg.feature.detect.edge.EdgeContour> contours,
                                    int color,
                                    android.graphics.Bitmap output,
                                    byte[] storage)

Draws each contour using a single color.

Parameters:

contours - List of edge contours

color - The RGB color that each edge pixel should be drawn

output - Where the output is written to

storage - Optional working buffer for Bitmap image. Can be null.

renderLabeled

public static void renderLabeled(boofcv.struct.image.GrayS32 labelImage,
                                 int numRegions,
                                 android.graphics.Bitmap output,
                                 byte[] storage)

Renders a labeled where each region is assigned a random color.

Parameters:

labelImage - Labeled image with labels from 0 to numRegions-1

numRegions - Number of labeled in the image

output - Where the output is written to

storage - Optional working buffer for Bitmap image. Can be null.

regionBorders

public static void regionBorders(boofcv.struct.image.GrayS32 pixelToRegion,
                                 int borderColor,
                                 android.graphics.Bitmap output,
                                 byte[] storage)

Draws border pixels of each region using the specified color.

Parameters:

pixelToRegion - Conversion from pixel to region

borderColor - RGB value of border pixel

output - Where the output is written to

storage - Optional working buffer for Bitmap image. Can be null.

regionsColor

public static void regionsColor(boofcv.struct.image.GrayS32 pixelToRegion,
                                org.ddogleg.struct.FastQueue<float[]> segmentColor,
                                android.graphics.Bitmap output,
                                byte[] storage)

Draws each region using the provided color

Parameters:

pixelToRegion - Conversion from pixel to region

segmentColor - Color of each region

output - Where the output is written to

storage - Optional working buffer for Bitmap image. Can be null.