SurfaceMan/gray_match
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y.qiu
2025-02-25 16:29:54 +08:00
parent c879408141
commit b4042ca7cf
2 changed files with 40 additions and 23 deletions
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6
sum.cpp
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@ -30,14 +30,14 @@ inline void computeSum(const cv::v_uint8x16 &src, cv::v_uint32x4 &sum, cv::v_uin
void computeSum(const cv::Mat &src, const HRegion &hRegion, uint64 &sum, uint64 &sqSum) {
constexpr auto blockSize = simdSize(cv::v_uint8);
auto *srcPtr = src.ptr<uchar>();
cv::v_uint32x4 vSum = cv::v_setzero_u32();
cv::v_uint64x2 vSqSum = cv::v_setzero_u64();
uint32_t partSum = 0;
uint64 partSqSum = 0;
for (const auto &rle : hRegion) {
auto *ptr = src.ptr<uchar>(rle.row) + rle.startColumn;
auto *ptr = srcPtr + src.step * rle.row + rle.startColumn;
int i = 0;
for (; i < rle.length - blockSize; i += blockSize) {
@ -207,7 +207,7 @@ void shiftV(const cv::Mat &src, const VRegion &vRegion, int row, cv::Mat &sum, c
}
sumPtr[ 0 ] = *(sumPtr - sum.step1()) + partSum;
sqSumPtr[ 0 ] = *(sqSumPtr - sum.step1()) + partSqSum;
sqSumPtr[ 0 ] = *(sqSumPtr - sqSum.step1()) + partSqSum;
}
void integralSum(const cv::Mat &src, cv::Mat &sum, cv::Mat &sqSum, const cv::Size &templateSize,