oa::FnMatrix::col2Im1d

col2Im1d: backward of im2Col1d — fold a column-matrix gradient [N*outL, inC*K] back into input shape [N, inC, L], accumulating over overlapping windows.

FnC++ public headers

Function Documentation

Matrix oa::FnMatrix::col2Im1d(
	const Matrix & inDCols,
	oa::I32 inN,
	oa::I32 inC,
	oa::I32 inL,
	oa::I32 inK,
	oa::I32 inStride,
	oa::I32 inPadding,
	oa::I32 inDilation,
	oa::I32 inOutL
)

col2Im1d: backward of im2Col1d — fold a column-matrix gradient [N*outL, inC*K] back into input shape [N, inC, L], accumulating over overlapping windows.

Parameters

inDCols

const Matrix &

—

inN

oa::I32

—

inC

oa::I32

—

inL

oa::I32

—

inK

oa::I32

—

inStride

oa::I32

—

inPadding

oa::I32

—

inDilation

oa::I32

—

inOutL

oa::I32

—

Returns

Matrix

The declared return value.