cv::QRCodeDetector クラス

公開メンバ関数
CV_WRAP void	setEpsX (double epsX)
	sets the epsilon used during the horizontal scan of QR code stop marker detection. [詳解]
CV_WRAP void	setEpsY (double epsY)
	sets the epsilon used during the vertical scan of QR code stop marker detection. [詳解]
CV_WRAP bool	detect (InputArray img, OutputArray points) const
	Detects QR code in image and returns the quadrangle containing the code. [詳解]
CV_WRAP std::string	decode (InputArray img, InputArray points, OutputArray straight_qrcode=noArray())
	Decodes QR code in image once it's found by the detect() method. [詳解]
CV_WRAP cv::String	decodeCurved (InputArray img, InputArray points, OutputArray straight_qrcode=noArray())
	Decodes QR code on a curved surface in image once it's found by the detect() method. [詳解]
CV_WRAP std::string	detectAndDecode (InputArray img, OutputArray points=noArray(), OutputArray straight_qrcode=noArray())
	Both detects and decodes QR code [詳解]
CV_WRAP std::string	detectAndDecodeCurved (InputArray img, OutputArray points=noArray(), OutputArray straight_qrcode=noArray())
	Both detects and decodes QR code on a curved surface [詳解]
CV_WRAP bool	detectMulti (InputArray img, OutputArray points) const
	Detects QR codes in image and returns the vector of the quadrangles containing the codes. [詳解]
CV_WRAP bool	decodeMulti (InputArray img, InputArray points, CV_OUT std::vector< std::string > &decoded_info, OutputArrayOfArrays straight_qrcode=noArray()) const
	Decodes QR codes in image once it's found by the detect() method. [詳解]
CV_WRAP bool	detectAndDecodeMulti (InputArray img, CV_OUT std::vector< std::string > &decoded_info, OutputArray points=noArray(), OutputArrayOfArrays straight_qrcode=noArray()) const
	Both detects and decodes QR codes [詳解]

限定公開変数類
Ptr< Impl >	p

関数詳解

decode()

CV_WRAP std::string cv::QRCodeDetector::decode	(	InputArray	img,
		InputArray	points,
		OutputArray	straight_qrcode = noArray()
	)

Decodes QR code in image once it's found by the detect() method.

Returns UTF8-encoded output string or empty string if the code cannot be decoded.

引数

img	grayscale or color (BGR) image containing QR code.
points	Quadrangle vertices found by detect() method (or some other algorithm).
straight_qrcode	The optional output image containing rectified and binarized QR code

decodeCurved()

CV_WRAP cv::String cv::QRCodeDetector::decodeCurved	(	InputArray	img,
		InputArray	points,
		OutputArray	straight_qrcode = noArray()
	)

Decodes QR code on a curved surface in image once it's found by the detect() method.

Returns UTF8-encoded output string or empty string if the code cannot be decoded.

引数

img	grayscale or color (BGR) image containing QR code.
points	Quadrangle vertices found by detect() method (or some other algorithm).
straight_qrcode	The optional output image containing rectified and binarized QR code

decodeMulti()

CV_WRAP bool cv::QRCodeDetector::decodeMulti	(	InputArray	img,
		InputArray	points,
		CV_OUT std::vector< std::string > &	decoded_info,
		OutputArrayOfArrays	straight_qrcode = noArray()
	)		const

Decodes QR codes in image once it's found by the detect() method.

引数

img	grayscale or color (BGR) image containing QR codes.
decoded_info	UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.
points	vector of Quadrangle vertices found by detect() method (or some other algorithm).
straight_qrcode	The optional output vector of images containing rectified and binarized QR codes

detect()

CV_WRAP bool cv::QRCodeDetector::detect	(	InputArray	img,
		OutputArray	points
	)		const

Detects QR code in image and returns the quadrangle containing the code.

引数

img	grayscale or color (BGR) image containing (or not) QR code.
points	Output vector of vertices of the minimum-area quadrangle containing the code.

detectAndDecode()

CV_WRAP std::string cv::QRCodeDetector::detectAndDecode	(	InputArray	img,
		OutputArray	points = noArray(),
		OutputArray	straight_qrcode = noArray()
	)

Both detects and decodes QR code

引数

img	grayscale or color (BGR) image containing QR code.
points	optional output array of vertices of the found QR code quadrangle. Will be empty if not found.
straight_qrcode	The optional output image containing rectified and binarized QR code

detectAndDecodeCurved()

CV_WRAP std::string cv::QRCodeDetector::detectAndDecodeCurved	(	InputArray	img,
		OutputArray	points = noArray(),
		OutputArray	straight_qrcode = noArray()
	)

Both detects and decodes QR code on a curved surface

引数

img	grayscale or color (BGR) image containing QR code.
points	optional output array of vertices of the found QR code quadrangle. Will be empty if not found.
straight_qrcode	The optional output image containing rectified and binarized QR code

detectAndDecodeMulti()

CV_WRAP bool cv::QRCodeDetector::detectAndDecodeMulti	(	InputArray	img,
		CV_OUT std::vector< std::string > &	decoded_info,
		OutputArray	points = noArray(),
		OutputArrayOfArrays	straight_qrcode = noArray()
	)		const

Both detects and decodes QR codes

引数

img	grayscale or color (BGR) image containing QR codes.
decoded_info	UTF8-encoded output vector of string or empty vector of string if the codes cannot be decoded.
points	optional output vector of vertices of the found QR code quadrangles. Will be empty if not found.
straight_qrcode	The optional output vector of images containing rectified and binarized QR codes

detectMulti()

CV_WRAP bool cv::QRCodeDetector::detectMulti	(	InputArray	img,
		OutputArray	points
	)		const

Detects QR codes in image and returns the vector of the quadrangles containing the codes.

引数

img	grayscale or color (BGR) image containing (or not) QR codes.
points	Output vector of vector of vertices of the minimum-area quadrangle containing the codes.

setEpsX()

CV_WRAP void cv::QRCodeDetector::setEpsX

(

double

epsX

)

sets the epsilon used during the horizontal scan of QR code stop marker detection.

引数

epsX	Epsilon neighborhood, which allows you to determine the horizontal pattern of the scheme 1:1:3:1:1 according to QR code standard.

setEpsY()

CV_WRAP void cv::QRCodeDetector::setEpsY

(

double

epsY

)

sets the epsilon used during the vertical scan of QR code stop marker detection.

引数

epsY	Epsilon neighborhood, which allows you to determine the vertical pattern of the scheme 1:1:3:1:1 according to QR code standard.

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このクラス詳解は次のファイルから抽出されました:

• objdetect.hpp