org.shared.image

Class IntegralImage

java.lang.Object

org.shared.array.ProtoArray<T,double[],E>

org.shared.array.AbstractArray<R,C,R,Double>

org.shared.array.AbstractRealArray<RealArray,ComplexArray>

org.shared.array.RealArray

org.shared.image.IntegralImage

All Implemented Interfaces:

Cloneable, Array<RealArray,Double>, Matrix<RealArray,Double>

public class IntegralImage
extends RealArray

A data structure for computing the sum over any rectangular region quickly.

Nested Class Summary

Nested classes/interfaces inherited from class org.shared.array.AbstractRealArray

AbstractRealArray.RealMap, AbstractRealArray.RealReduce

Nested classes/interfaces inherited from interface org.shared.array.Array

Array.IndexingOrder

Field Summary

Fields inherited from class org.shared.array.AbstractArray

INVALID_PARITY, parity

Fields inherited from class org.shared.array.ProtoArray

dims, order, strides, values

Constructor Summary

Constructors

Constructor and Description
IntegralImage(RealArray src) Default constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected static int[]	getDimensionsPlusOne(RealArray arr) Gets the original dimensions plus one.
double	query(int... bounds) Queries for the sum of the values within a rectangular region, whose bounds are expressed in the same way as ProtoArray.subarray(int...).

Methods inherited from class org.shared.array.RealArray

eye, getBytes, mDiag, mEigs, mInvert, mMul, mSvd, mTranspose, parse, singleton, wrap, wrapUp

Methods inherited from class org.shared.array.AbstractRealArray

aEnt, aMax, aMean, aMin, applyKernelElementwiseOperation, applyKernelLeftElementwiseOperation, applyKernelRealAccumulatorOperation, applyKernelRealDimensionOperation, applyKernelRealIndexOperation, applyKernelRealReduceOperation, applyKernelRealToComplexOperation, applyKernelRealUnaryOperation, aProd, aSum, aVar, dProd, dSum, eAdd, eDiv, eMax, eMin, eMul, eSub, getComponentType, iGZero, iGZero, iLZero, iLZero, iMax, iMax, iMin, iMin, iSort, iSort, iZero, iZero, lAdd, lDiv, lMax, lMin, lMul, lSub, map, reduce, rfft, rfftDimensions, rMax, rMean, rMin, rProd, rSum, rVar, tocIm, tocRe, uAbs, uAdd, uAtan, uCos, uExp, uFill, uInv, uLog, uMul, uPow, uRnd, uShuffle, uSin, uSqr, uSqrt, wrap, wrapDown

Methods inherited from class org.shared.array.AbstractArray

checkInvalidParity, checkMatrixOrder, checkShape, fft, get, ifft, rifft, rifftDimensions, set, toString, transform, wrap

Methods inherited from class org.shared.array.ProtoArray

clone, concat, dims, map, nDims, order, physical, reshape, reverse, reverseOrder, shift, size, slice, slice, slice, slice, splice, stride, strides, subarray, tile, transpose, values

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.shared.array.Array

clone, concat, dims, getComponentType, map, nDims, order, reshape, reverse, reverseOrder, shift, size, slice, slice, slice, slice, splice, stride, strides, subarray, tile, toString, transpose

Constructor Detail

IntegralImage

public IntegralImage(RealArray src)

Default constructor.

Parameters:

src - the RealArray to integrate over.

Method Detail

query

public double query(int... bounds)

Queries for the sum of the values within a rectangular region, whose bounds are expressed in the same way as ProtoArray.subarray(int...).

See Also:

ProtoArray.subarray(int...)

getDimensionsPlusOne

protected static final int[] getDimensionsPlusOne(RealArray arr)

Gets the original dimensions plus one.