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Merge pull request #27816 from abhishek-gola:reduce_layer

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Extended Reduce layer support in new DNN engine #27816

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [x] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Abhishek Gola
2025-10-10 12:41:19 +05:30
committed by GitHub
parent 66c9f569bd
commit 93385c6cdf
10 changed files with 885 additions and 216 deletions
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modules/dnn/include/opencv2/dnn/all_layers.hpp
+30 -6
View File
@@ -439,6 +439,30 @@ CV__DNN_INLINE_NS_BEGIN
static Ptr<ReduceLayer> create(const LayerParams& params);
};
class CV_EXPORTS Reduce2Layer : public Layer
{
public:
enum class ReduceType
{
MAX,
MIN,
MEAN,
SUM,
L1,
L2,
PROD,
SUM_SQUARE,
LOG_SUM,
LOG_SUM_EXP
};
ReduceType reduce_type;
bool keepdims;
bool noop_with_empty_axes;
std::vector<int> axes;
static Ptr<Reduce2Layer> create(const LayerParams& params);
};
class CV_EXPORTS SoftmaxLayer : public Layer
{
public:
@@ -782,12 +806,12 @@ CV__DNN_INLINE_NS_BEGIN
class CV_EXPORTS ActivationLayer : public Layer
{
public:
virtual void forwardSlice(const float* src, float* dst, int len,
size_t outPlaneSize, int cn0, int cn1) const {}
virtual void forwardSlice(const int* src, const int* lut, int* dst, int len,
size_t outPlaneSize, int cn0, int cn1) const {}
virtual void forwardSlice(const int8_t* src, const int8_t* lut, int8_t* dst, int len,
size_t outPlaneSize, int cn0, int cn1) const {}
virtual void forwardSlice(const float*, float*, int,
size_t, int, int) const {}
virtual void forwardSlice(const int*, const int*, int*, int,
size_t, int, int) const {}
virtual void forwardSlice(const int8_t*, const int8_t*, int8_t*, int,
size_t, int, int) const {}
};
class CV_EXPORTS ReLULayer : public ActivationLayer