Cv2 class

class that contains the implementation of OpenCV modules

Constructors

Cv2()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

adaptiveThreshold({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required double maxValue, required int adaptiveMethod, required int thresholdType, required int blockSize, required double constantValue}) → Future

adaptiveThreshold function of Module: Miscellaneous Image Transformations

applyColorMap({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int colorMap}) → Future<Uint8List?>

applyColorMap function of Module: Color Maps

bilateralFilter({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int diameter, required int sigmaColor, required int sigmaSpace, required int borderType}) → Future<Uint8List?>

bilateralFilter function of Module: Image Filtering

blur({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required List<double> kernelSize, required List<double> anchorPoint, required int borderType}) → Future<Uint8List?>

blur function of Module: Image Filtering

boxFilter({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int outputDepth, required List<double> kernelSize, required List<double> anchorPoint, required bool normalize, required int borderType}) → Future<Uint8List?>

boxFilter function of Module: Image Filtering

cvtColor({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int outputType}) → Future<Uint8List?>

cvtColor function of Module: Color Space Conversions

dilate({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required List<double> kernelSize}) → Future<Uint8List?>

dilate function of Module: Image Filtering

distanceTransform({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int distanceType, required int maskSize}) → Future

distanceTransform function of Module: Miscellaneous Image Transformations

erode({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required List<double> kernelSize}) → Future<Uint8List?>

erode function of Module: Image Filtering

filter2D({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int outputDepth, required List<int> kernelSize}) → Future<Uint8List?>

filter2D function of Module: Image Filtering

gaussianBlur({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required List<double> kernelSize, required double sigmaX}) → Future<Uint8List?>

gaussianBlur function of Module: Image Filtering

laplacian({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int depth}) → Future<Uint8List?>

laplacian function of Module: Image Filtering

medianBlur({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int kernelSize}) → Future<Uint8List?>

medianBlur function of Module: Image Filtering

morphologyEx({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int operation, required List<int> kernelSize}) → Future<Uint8List?>

morphologyEx function of Module: Image Filtering

pyrMeanShiftFiltering({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required double spatialWindowRadius, required double colorWindowRadius}) → Future<Uint8List?>

pyrMeanShiftFiltering function of Module: Image Filtering

scharr({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int depth, required int dx, required int dy}) → Future<Uint8List?>

scharr function of Module: Image Filtering

sobel({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int depth, required int dx, required int dy}) → Future<Uint8List?>

sobel function of Module: Image Filtering

sqrBoxFilter({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required int outputDepth, required List<double> kernelSize}) → Future<Uint8List?>

sobel function of Module: Image Filtering

threshold({CVPathFrom pathFrom = CVPathFrom.ASSETS, required String pathString, required double thresholdValue, required double maxThresholdValue, required int thresholdType}) → Future

distanceTransform function of Module: Miscellaneous Image Transformations

version() → Future<String?>

version function that returns the OpenCV version

Constants

ADAPTIVE_THRESH_GAUSSIAN_C → const int

Constants util for AdaptiveThreshold

ADAPTIVE_THRESH_MEAN_C → const int

Constants util for AdaptiveThreshold

BORDER_CONSTANT → const int

Constants util for borderType params

BORDER_DEFAULT → const int

Constants util for borderType params

BORDER_ISOLATED → const int

Constants util for borderType params

BORDER_REFLECT → const int

Constants util for borderType params

BORDER_REFLECT101 → const int

Constants util for borderType params

BORDER_REFLECT_101 → const int

Constants util for borderType params

BORDER_REPLICATE → const int

Constants util for borderType params

BORDER_TRANSPARENT → const int

Constants util for borderType params

BORDER_WRAP → const int

Constants util for borderType params

COLOR_BayerBG2BGR → const int

Constants util for cvtColor

COLOR_BayerBG2BGR_EA → const int

Constants util for cvtColor

COLOR_BayerBG2BGR_VNG → const int

Constants util for cvtColor

COLOR_BayerBG2BGRA → const int

Constants util for cvtColor

COLOR_BayerBG2GRAY → const int

Constants util for cvtColor

COLOR_BayerBG2RGB → const int

Constants util for cvtColor

COLOR_BayerBG2RGB_EA → const int

Constants util for cvtColor

COLOR_BayerBG2RGB_VNG → const int

Constants util for cvtColor

COLOR_BayerBG2RGBA → const int

Constants util for cvtColor

COLOR_BayerGB2BGR → const int

Constants util for cvtColor

COLOR_BayerGB2BGR_EA → const int

Constants util for cvtColor

COLOR_BayerGB2BGR_VNG → const int

Constants util for cvtColor

COLOR_BayerGB2BGRA → const int

Constants util for cvtColor

COLOR_BayerGB2GRAY → const int

Constants util for cvtColor

COLOR_BayerGB2RGB → const int

Constants util for cvtColor

COLOR_BayerGB2RGB_EA → const int

Constants util for cvtColor

COLOR_BayerGB2RGB_VNG → const int

Constants util for cvtColor

COLOR_BayerGB2RGBA → const int

Constants util for cvtColor

COLOR_BayerGR2BGR → const int

Constants util for cvtColor

COLOR_BayerGR2BGR_EA → const int

Constants util for cvtColor

COLOR_BayerGR2BGR_VNG → const int

Constants util for cvtColor

COLOR_BayerGR2BGRA → const int

Constants util for cvtColor

COLOR_BayerGR2GRAY → const int

Constants util for cvtColor

COLOR_BayerGR2RGB → const int

Constants util for cvtColor

COLOR_BayerGR2RGB_EA → const int

Constants util for cvtColor

COLOR_BayerGR2RGB_VNG → const int

Constants util for cvtColor

COLOR_BayerGR2RGBA → const int

Constants util for cvtColor

COLOR_BayerRG2BGR → const int

Constants util for cvtColor

COLOR_BayerRG2BGR_EA → const int

Constants util for cvtColor

COLOR_BayerRG2BGR_VNG → const int

Constants util for cvtColor

COLOR_BayerRG2BGRA → const int

Constants util for cvtColor

COLOR_BayerRG2GRAY → const int

Constants util for cvtColor

COLOR_BayerRG2RGB → const int

Constants util for cvtColor

COLOR_BayerRG2RGB_EA → const int

Constants util for cvtColor

COLOR_BayerRG2RGB_VNG → const int

Constants util for cvtColor

COLOR_BayerRG2RGBA → const int

Constants util for cvtColor

COLOR_BGR2BGR555 → const int

Constants util for cvtColor

COLOR_BGR2BGR565 → const int

Constants util for cvtColor

COLOR_BGR2BGRA → const int

Constants util for cvtColor

COLOR_BGR2GRAY → const int

Constants util for cvtColor

COLOR_BGR2HLS → const int

Constants util for cvtColor

COLOR_BGR2HLS_FULL → const int

Constants util for cvtColor

COLOR_BGR2HSV → const int

Constants util for cvtColor

COLOR_BGR2HSV_FULL → const int

Constants util for cvtColor

COLOR_BGR2Lab → const int

Constants util for cvtColor

COLOR_BGR2Luv → const int

Constants util for cvtColor

COLOR_BGR2RGB → const int

Constants util for cvtColor

COLOR_BGR2RGBA → const int

Constants util for cvtColor

COLOR_BGR2XYZ → const int

Constants util for cvtColor

COLOR_BGR2YCrCb → const int

Constants util for cvtColor

COLOR_BGR2YUV → const int

Constants util for cvtColor

COLOR_BGR2YUV_I420 → const int

Constants util for cvtColor

COLOR_BGR2YUV_IYUV → const int

Constants util for cvtColor

COLOR_BGR2YUV_YV12 → const int

Constants util for cvtColor

COLOR_BGR5552BGR → const int

Constants util for cvtColor

COLOR_BGR5552BGRA → const int

Constants util for cvtColor

COLOR_BGR5552GRAY → const int

Constants util for cvtColor

COLOR_BGR5552RGB → const int

Constants util for cvtColor

COLOR_BGR5552RGBA → const int

Constants util for cvtColor

COLOR_BGR5652BGR → const int

Constants util for cvtColor

COLOR_BGR5652BGRA → const int

Constants util for cvtColor

COLOR_BGR5652GRAY → const int

Constants util for cvtColor

COLOR_BGR5652RGB → const int

Constants util for cvtColor

COLOR_BGR5652RGBA → const int

Constants util for cvtColor

COLOR_BGRA2BGR → const int

Constants util for cvtColor

COLOR_BGRA2BGR555 → const int

Constants util for cvtColor

COLOR_BGRA2BGR565 → const int

Constants util for cvtColor

COLOR_BGRA2GRAY → const int

Constants util for cvtColor

COLOR_BGRA2RGB → const int

Constants util for cvtColor

COLOR_BGRA2RGBA → const int

Constants util for cvtColor

COLOR_BGRA2YUV_I420 → const int

Constants util for cvtColor

COLOR_BGRA2YUV_IYUV → const int

Constants util for cvtColor

COLOR_BGRA2YUV_YV12 → const int

Constants util for cvtColor

COLOR_COLORCVT_MAX → const int

Constants util for cvtColor

COLOR_GRAY2BGR → const int

Constants util for cvtColor

COLOR_GRAY2BGR555 → const int

Constants util for cvtColor

COLOR_GRAY2BGR565 → const int

Constants util for cvtColor

COLOR_GRAY2BGRA → const int

Constants util for cvtColor

COLOR_GRAY2RGB → const int

Constants util for cvtColor

COLOR_GRAY2RGBA → const int

Constants util for cvtColor

COLOR_HLS2BGR → const int

Constants util for cvtColor

COLOR_HLS2BGR_FULL → const int

Constants util for cvtColor

COLOR_HLS2RGB → const int

Constants util for cvtColor

COLOR_HLS2RGB_FULL → const int

Constants util for cvtColor

COLOR_HSV2BGR → const int

Constants util for cvtColor

COLOR_HSV2BGR_FULL → const int

Constants util for cvtColor

COLOR_HSV2RGB → const int

Constants util for cvtColor

COLOR_HSV2RGB_FULL → const int

Constants util for cvtColor

COLOR_Lab2BGR → const int

Constants util for cvtColor

COLOR_Lab2LBGR → const int

Constants util for cvtColor

COLOR_Lab2LRGB → const int

Constants util for cvtColor

COLOR_Lab2RGB → const int

Constants util for cvtColor

COLOR_LBGR2Lab → const int

Constants util for cvtColor

COLOR_LBGR2Luv → const int

Constants util for cvtColor

COLOR_LRGB2Lab → const int

Constants util for cvtColor

COLOR_LRGB2Luv → const int

Constants util for cvtColor

COLOR_Luv2BGR → const int

Constants util for cvtColor

COLOR_Luv2LBGR → const int

Constants util for cvtColor

COLOR_Luv2LRGB → const int

Constants util for cvtColor

COLOR_Luv2RGB → const int

Constants util for cvtColor

COLOR_mRGBA2RGBA → const int

Constants util for cvtColor

COLOR_RGB2BGR → const int

Constants util for cvtColor

COLOR_RGB2BGR555 → const int

Constants util for cvtColor

COLOR_RGB2BGR565 → const int

Constants util for cvtColor

COLOR_RGB2BGRA → const int

Constants util for cvtColor

COLOR_RGB2GRAY → const int

Constants util for cvtColor

COLOR_RGB2HLS → const int

Constants util for cvtColor

COLOR_RGB2HLS_FULL → const int

Constants util for cvtColor

COLOR_RGB2HSV → const int

Constants util for cvtColor

COLOR_RGB2HSV_FULL → const int

Constants util for cvtColor

COLOR_RGB2Lab → const int

Constants util for cvtColor

COLOR_RGB2Luv → const int

Constants util for cvtColor

COLOR_RGB2RGBA → const int

Constants util for cvtColor

COLOR_RGB2XYZ → const int

Constants util for cvtColor

COLOR_RGB2YCrCb → const int

Constants util for cvtColor

COLOR_RGB2YUV → const int

Constants util for cvtColor

COLOR_RGB2YUV_I420 → const int

Constants util for cvtColor

COLOR_RGB2YUV_IYUV → const int

Constants util for cvtColor

COLOR_RGB2YUV_YV12 → const int

Constants util for cvtColor

COLOR_RGBA2BGR → const int

Constants util for cvtColor

COLOR_RGBA2BGR555 → const int

Constants util for cvtColor

COLOR_RGBA2BGR565 → const int

Constants util for cvtColor

COLOR_RGBA2BGRA → const int

Constants util for cvtColor

COLOR_RGBA2GRAY → const int

Constants util for cvtColor

COLOR_RGBA2mRGBA → const int

Constants util for cvtColor

COLOR_RGBA2RGB → const int

Constants util for cvtColor

COLOR_RGBA2YUV_I420 → const int

Constants util for cvtColor

COLOR_RGBA2YUV_IYUV → const int

Constants util for cvtColor

COLOR_RGBA2YUV_YV12 → const int

Constants util for cvtColor

COLOR_XYZ2BGR → const int

Constants util for cvtColor

COLOR_XYZ2RGB → const int

Constants util for cvtColor

COLOR_YCrCb2BGR → const int

Constants util for cvtColor

COLOR_YCrCb2RGB → const int

Constants util for cvtColor

COLOR_YUV2BGR → const int

Constants util for cvtColor

COLOR_YUV2BGR_I420 → const int

Constants util for cvtColor

COLOR_YUV2BGR_IYUV → const int

Constants util for cvtColor

COLOR_YUV2BGR_NV12 → const int

Constants util for cvtColor

COLOR_YUV2BGR_NV21 → const int

Constants util for cvtColor

COLOR_YUV2BGR_UYNV → const int

Constants util for cvtColor

COLOR_YUV2BGR_UYVY → const int

Constants util for cvtColor

COLOR_YUV2BGR_Y422 → const int

Constants util for cvtColor

COLOR_YUV2BGR_YUNV → const int

Constants util for cvtColor

COLOR_YUV2BGR_YUY2 → const int

Constants util for cvtColor

COLOR_YUV2BGR_YUYV → const int

Constants util for cvtColor

COLOR_YUV2BGR_YV12 → const int

Constants util for cvtColor

COLOR_YUV2BGR_YVYU → const int

Constants util for cvtColor

COLOR_YUV2BGRA_I420 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_IYUV → const int

Constants util for cvtColor

COLOR_YUV2BGRA_NV12 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_NV21 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_UYNV → const int

Constants util for cvtColor

COLOR_YUV2BGRA_UYVY → const int

Constants util for cvtColor

COLOR_YUV2BGRA_Y422 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_YUNV → const int

Constants util for cvtColor

COLOR_YUV2BGRA_YUY2 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_YUYV → const int

Constants util for cvtColor

COLOR_YUV2BGRA_YV12 → const int

Constants util for cvtColor

COLOR_YUV2BGRA_YVYU → const int

Constants util for cvtColor

COLOR_YUV2GRAY_420 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_I420 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_IYUV → const int

Constants util for cvtColor

COLOR_YUV2GRAY_NV12 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_NV21 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_UYNV → const int

Constants util for cvtColor

COLOR_YUV2GRAY_UYVY → const int

Constants util for cvtColor

COLOR_YUV2GRAY_Y422 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_YUNV → const int

Constants util for cvtColor

COLOR_YUV2GRAY_YUY2 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_YUYV → const int

Constants util for cvtColor

COLOR_YUV2GRAY_YV12 → const int

Constants util for cvtColor

COLOR_YUV2GRAY_YVYU → const int

Constants util for cvtColor

COLOR_YUV2RGB → const int

Constants util for cvtColor

COLOR_YUV2RGB_I420 → const int

Constants util for cvtColor

COLOR_YUV2RGB_IYUV → const int

Constants util for cvtColor

COLOR_YUV2RGB_NV12 → const int

Constants util for cvtColor

COLOR_YUV2RGB_NV21 → const int

Constants util for cvtColor

COLOR_YUV2RGB_UYNV → const int

Constants util for cvtColor

COLOR_YUV2RGB_UYVY → const int

Constants util for cvtColor

COLOR_YUV2RGB_Y422 → const int

Constants util for cvtColor

COLOR_YUV2RGB_YUNV → const int

Constants util for cvtColor

COLOR_YUV2RGB_YUY2 → const int

Constants util for cvtColor

COLOR_YUV2RGB_YUYV → const int

Constants util for cvtColor

COLOR_YUV2RGB_YV12 → const int

Constants util for cvtColor

COLOR_YUV2RGB_YVYU → const int

Constants util for cvtColor

COLOR_YUV2RGBA_I420 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_IYUV → const int

Constants util for cvtColor

COLOR_YUV2RGBA_NV12 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_NV21 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_UYNV → const int

Constants util for cvtColor

COLOR_YUV2RGBA_UYVY → const int

Constants util for cvtColor

COLOR_YUV2RGBA_Y422 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_YUNV → const int

Constants util for cvtColor

COLOR_YUV2RGBA_YUY2 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_YUYV → const int

Constants util for cvtColor

COLOR_YUV2RGBA_YV12 → const int

Constants util for cvtColor

COLOR_YUV2RGBA_YVYU → const int

Constants util for cvtColor

COLOR_YUV420p2BGR → const int

Constants util for cvtColor

COLOR_YUV420p2BGRA → const int

Constants util for cvtColor

COLOR_YUV420p2GRAY → const int

Constants util for cvtColor

COLOR_YUV420p2RGB → const int

Constants util for cvtColor

COLOR_YUV420p2RGBA → const int

Constants util for cvtColor

COLOR_YUV420sp2BGR → const int

Constants util for cvtColor

COLOR_YUV420sp2BGRA → const int

Constants util for cvtColor

COLOR_YUV420sp2GRAY → const int

Constants util for cvtColor

COLOR_YUV420sp2RGB → const int

Constants util for cvtColor

COLOR_YUV420sp2RGBA → const int

Constants util for cvtColor

COLORMAP_AUTUMN → const int

Constants util for applyColorMap

COLORMAP_BONE → const int

Constants util for applyColorMap

COLORMAP_CIVIDIS → const int

Constants util for applyColorMap

COLORMAP_COOL → const int

Constants util for applyColorMap

COLORMAP_DEEPGREEN → const int

Constants util for applyColorMap

COLORMAP_HOT → const int

Constants util for applyColorMap

COLORMAP_HSV → const int

Constants util for applyColorMap

COLORMAP_INFERNO → const int

Constants util for applyColorMap

COLORMAP_JET → const int

Constants util for applyColorMap

COLORMAP_MAGMA → const int

Constants util for applyColorMap

COLORMAP_OCEAN → const int

Constants util for applyColorMap

COLORMAP_PARULA → const int

Constants util for applyColorMap

COLORMAP_PINK → const int

Constants util for applyColorMap

COLORMAP_PLASMA → const int

Constants util for applyColorMap

COLORMAP_RAINBOW → const int

Constants util for applyColorMap

COLORMAP_SPRING → const int

Constants util for applyColorMap

COLORMAP_SUMMER → const int

Constants util for applyColorMap

COLORMAP_TURBO → const int

Constants util for applyColorMap

COLORMAP_TWILIGHT → const int

Constants util for applyColorMap

COLORMAP_TWILIGHT_SHIFTED → const int

Constants util for applyColorMap

COLORMAP_VIRIDIS → const int

Constants util for applyColorMap

COLORMAP_WINTER → const int

Constants util for applyColorMap

CV_GAUSSIAN_5x5 → const int

CV_MAX_SOBEL_KSIZE → const int

CV_SCHARR → const int

DIST_C → const int

Constants util for DistanceTransform

DIST_FAIR → const int

Constants util for DistanceTransform

DIST_HUBER → const int

Constants util for DistanceTransform

DIST_L1 → const int

Constants util for DistanceTransform

DIST_L2 → const int

Constants util for DistanceTransform

DIST_L12 → const int

Constants util for DistanceTransform

DIST_USER → const int

Constants util for DistanceTransform

DIST_WELSCH → const int

Constants util for DistanceTransform

MORPH_BLACKHAT → const int

Constants util for MorphologyEx

MORPH_CLOSE → const int

Constants util for MorphologyEx

MORPH_DILATE → const int

Constants util for MorphologyEx

MORPH_ERODE → const int

Constants util for MorphologyEx

MORPH_GRADIENT → const int

Constants util for MorphologyEx

MORPH_HITMISS → const int

Constants util for MorphologyEx

MORPH_OPEN → const int

Constants util for MorphologyEx

MORPH_TOPHAT → const int

Constants util for MorphologyEx

platform → const MethodChannel

THRESH_BINARY → const int

Constants util for threshold

THRESH_BINARY_INV → const int

Constants util for threshold

THRESH_MASK → const int

Constants util for threshold

THRESH_OTSU → const int

Constants util for threshold

THRESH_TOZERO → const int

Constants util for threshold

THRESH_TOZERO_INV → const int

Constants util for threshold

THRESH_TRIANGLE → const int

Constants util for threshold

THRESH_TRUNC → const int

Constants util for threshold