cv::MatShape 構造体

行列/テンソルの形状を表す。以前は MatShape はstd::vector<int>のエイリアスとして定義されていたが、現在はいくつかの追加の利点を提供する特別な構造体を使用している: 続き...

#include <opencv2/core/mat.hpp>

Collaboration diagram for cv::MatShape:

公開型
enum	{ MAX_DIMS =10 }

公開メンバ関数
	MatShape ()
template<class _It >
	MatShape (_It begin, _It end)
	MatShape (const int *begin, const int *end, DataLayout layout=DATA_LAYOUT_UNKNOWN, int C=0)
	MatShape (const MatShape &shape)
	MatShape (const std::vector< int > &shape, DataLayout layout=DATA_LAYOUT_UNKNOWN, int C=0)
	MatShape (int dims, int value, DataLayout layout=DATA_LAYOUT_UNKNOWN)
	MatShape (size_t dims, const int *sizes=nullptr, DataLayout layout=DATA_LAYOUT_UNKNOWN, int C=0)
	MatShape (size_t dims, int value, DataLayout layout=DATA_LAYOUT_UNKNOWN)
	MatShape (std::initializer_list< int > shape)
template<class _It >
void	assign (_It begin, _It end)
void	assign (const int *begin, const int *end)
void	assign (int newSize, int value)
void	assign (size_t newSize, int value)
void	assign_ (const int *begin, const int *end)
int &	back ()
const int &	back () const
int *	begin ()
const int *	begin () const
int	channels () const
void	clear ()
int *	data ()
const int *	data () const
void	emplace_back (int value)
bool	empty () const
int *	end ()
const int *	end () const
void	erase (int *where)
MatShape	expand (const MatShape &another) const
bool	hasSymbols () const
template<class _It >
void	insert (int *where, _It begin, _It end)
void	insert (int *where, const int *begin, const int *end)
void	insert (int *where, int count, int value)
void	insert (int *where, int value)
void	insert (int *where, size_t count, int value)
void	insert_ (int *where, const int *begin, const int *end)
bool	isScalar () const
Size	operator() () const
MatShape &	operator= (const MatShape &shape)
int &	operator[] (size_t idx)
const int &	operator[] (size_t idx) const
void	push_back (int value)
void	reserve (size_t maxSize)
void	resize (size_t newSize, int value=0)
size_t	size () const
std::string	str () const
MatShape	toLayout (DataLayout newLayout, int C0=0) const
size_t	total () const
std::vector< int >	vec () const

静的公開メンバ関数
static MatShape	scalar ()

公開変数類
int	C
int	dims
DataLayout	layout
int	p [MAX_DIMS]

詳細説明

行列/テンソルの形状を表す。以前は MatShape はstd::vector<int>のエイリアスとして定義されていたが、現在はいくつかの追加の利点を提供する特別な構造体を使用している:

1. 形状は単純な配列に格納されるため、ヒープ操作を一切回避できる。これにより形状推論などのオーバーヘッドが削減される。
2. レイアウトに関する情報を含む。これにはブロックレイアウトの場合の実際のチャンネル数（'C'）も含まれる。
3. 空の形状（total() == 0）と0次元の形状（dims == 0だが total() == 1）を区別する。

列挙型メンバ詳解

anonymous enum

anonymous enum

列挙値
MAX_DIMS

構築子と解体子の詳解

MatShape() [1/9]

cv::MatShape::MatShape

(

)

MatShape() [2/9]

cv::MatShape::MatShape ( size_t dims, const int * sizes = nullptr, DataLayout layout = DATA_LAYOUT_UNKNOWN, int C = 0 )

explicit

MatShape() [3/9]

cv::MatShape::MatShape ( size_t dims, int value, DataLayout layout = DATA_LAYOUT_UNKNOWN )

explicit

MatShape() [4/9]

cv::MatShape::MatShape ( int dims, int value, DataLayout layout = DATA_LAYOUT_UNKNOWN )

explicit

MatShape() [5/9]

cv::MatShape::MatShape ( const std::vector< int > & shape, DataLayout layout = DATA_LAYOUT_UNKNOWN, int C = 0 )

explicit

MatShape() [6/9]

cv::MatShape::MatShape ( const int * begin, const int * end, DataLayout layout = DATA_LAYOUT_UNKNOWN, int C = 0 )

explicit

MatShape() [7/9]

cv::MatShape::MatShape ( std::initializer_list< int > shape )

explicit

MatShape() [8/9]

cv::MatShape::MatShape

(

const MatShape &

shape

)

MatShape() [9/9]

template<class _It >

cv::MatShape::MatShape	(	_It	begin,
		_It	end )

メンバ関数詳解

assign() [1/4]

template<class _It >

void cv::MatShape::assign	(	_It	begin,
		_It	end )

assign() [2/4]

void cv::MatShape::assign	(	const int *	begin,
		const int *	end )

assign() [3/4]

void cv::MatShape::assign	(	int	newSize,
		int	value )

assign() [4/4]

void cv::MatShape::assign	(	size_t	newSize,
		int	value )

assign_()

void cv::MatShape::assign_	(	const int *	begin,
		const int *	end )

back() [1/2]

int & cv::MatShape::back

(

)

back() [2/2]

const int & cv::MatShape::back

(

)

const

begin() [1/2]

int * cv::MatShape::begin

(

)

begin() [2/2]

const int * cv::MatShape::begin

(

)

const

channels()

int cv::MatShape::channels

(

)

const

clear()

void cv::MatShape::clear

(

)

data() [1/2]

int * cv::MatShape::data

(

)

data() [2/2]

const int * cv::MatShape::data

(

)

const

emplace_back()

void cv::MatShape::emplace_back

(

int

value

)

empty()

bool cv::MatShape::empty

(

)

const

end() [1/2]

int * cv::MatShape::end

(

)

end() [2/2]

const int * cv::MatShape::end

(

)

const

erase()

void cv::MatShape::erase

(

int *

where

)

expand()

MatShape cv::MatShape::expand

(

const MatShape &

another

)

const

hasSymbols()

bool cv::MatShape::hasSymbols

(

)

const

insert() [1/5]

template<class _It >

void cv::MatShape::insert	(	int *	where,
		_It	begin,
		_It	end )

insert() [2/5]

void cv::MatShape::insert	(	int *	where,
		const int *	begin,
		const int *	end )

insert() [3/5]

void cv::MatShape::insert	(	int *	where,
		int	count,
		int	value )

insert() [4/5]

void cv::MatShape::insert	(	int *	where,
		int	value )

insert() [5/5]

void cv::MatShape::insert	(	int *	where,
		size_t	count,
		int	value )

insert_()

void cv::MatShape::insert_	(	int *	where,
		const int *	begin,
		const int *	end )

isScalar()

bool cv::MatShape::isScalar

(

)

const

operator()()

Size cv::MatShape::operator()

(

)

const

operator=()

MatShape & cv::MatShape::operator=

(

const MatShape &

shape

)

operator[]() [1/2]

int & cv::MatShape::operator[]

(

size_t

idx

)

operator[]() [2/2]

const int & cv::MatShape::operator[]

(

size_t

idx

)

const

push_back()

void cv::MatShape::push_back

(

int

value

)

reserve()

void cv::MatShape::reserve

(

size_t

maxSize

)

resize()

void cv::MatShape::resize	(	size_t	newSize,
		int	value = 0 )

scalar()

static MatShape cv::MatShape::scalar ( )

static

size()

size_t cv::MatShape::size

(

)

const

str()

std::string cv::MatShape::str

(

)

const

toLayout()

MatShape cv::MatShape::toLayout	(	DataLayout	newLayout,
		int	C0 = 0 ) const

total()

size_t cv::MatShape::total

(

)

const

vec()

std::vector< int > cv::MatShape::vec

(

)

const

メンバ変数詳解

C

int cv::MatShape::C

dims

int cv::MatShape::dims

layout

DataLayout cv::MatShape::layout

p

int cv::MatShape::p[MAX_DIMS]

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この構造体詳解は次のファイルから抽出されました:

• opencv2/core/mat.hpp