VideoCaptureRetrieve Method (Mat, CameraChannels)

Returns the pointer to the image grabbed with cvGrabFrame function. The returned image should not be released or modified by user.

Namespace: OpenCvSharp
Assembly: OpenCvSharp (in OpenCvSharp.dll) Version: 3.4.1.20180605-33-CaRLSharp

Syntax

C++

JavaScript

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public bool Retrieve(
	Mat image,
	CameraChannels streamIdx = CameraChannels.OpenNI_DepthMap
)

Public Function Retrieve ( 
	image As Mat,
	Optional streamIdx As CameraChannels = CameraChannels.OpenNI_DepthMap
) As Boolean

public:
bool Retrieve(
	Mat^ image, 
	CameraChannels streamIdx = CameraChannels::OpenNI_DepthMap
)

member Retrieve : 
        image : Mat * 
        ?streamIdx : CameraChannels 
(* Defaults:
        let _streamIdx = defaultArg streamIdx CameraChannels.OpenNI_DepthMap
*)
-> bool

function Retrieve(image, streamIdx);

Parameters

image: Type: OpenCvSharpMat
streamIdx (Optional): Type: OpenCvSharpCameraChannels
non-zero streamIdx is only valid for multi-head camera live streams

Return Value

Type: Boolean

Reference

VideoCapture Class

Retrieve Overload

OpenCvSharp Namespace

VideoCaptureAddLanguageSpecificTextSet("LST827D9D45_0?cpp=::|nu=.");Retrieve Method (Mat, CameraChannels)

Parameters

Return Value

Reference

VideoCaptureRetrieve Method (Mat, CameraChannels)