duan8/hrnet/hrnet-semantic-segmentation/common.hpp
2020-12-28 10:08:16 +08:00

362 lines
14 KiB
C++

#pragma once
#include <fstream>
#include <map>
#include <sstream>
#include <vector>
#include <opencv2/opencv.hpp>
#include <dirent.h>
#include "NvInfer.h"
#include "NvInferPlugin.h"
#include "cuda_runtime_api.h"
using namespace nvinfer1;
#define CHECK(status) \
do\
{\
auto ret = (status);\
if (ret != 0)\
{\
std::cerr << "Cuda failure: " << ret << std::endl;\
abort();\
}\
} while (0)
int read_files_in_dir(const char *p_dir_name, std::vector<std::string> &file_names) {
DIR *p_dir = opendir(p_dir_name);
if (p_dir == nullptr) {
return -1;
}
struct dirent* p_file = nullptr;
while ((p_file = readdir(p_dir)) != nullptr) {
if (strcmp(p_file->d_name, ".") != 0 &&
strcmp(p_file->d_name, "..") != 0) {
//std::string cur_file_name(p_dir_name);
//cur_file_name += "/";
//cur_file_name += p_file->d_name;
std::string cur_file_name(p_file->d_name);
file_names.push_back(cur_file_name);
}
}
closedir(p_dir);
return 0;
}
// TensorRT weight files have a simple space delimited format:
// [type] [size] <data x size in hex>
std::map<std::string, Weights> loadWeights(const std::string file) {
std::cout << "Loading weights: " << file << std::endl;
std::map<std::string, Weights> weightMap;
// Open weights file
std::ifstream input(file);
assert(input.is_open() && "Unable to load weight file.");
// Read number of weight blobs
int32_t count;
input >> count;
assert(count > 0 && "Invalid weight map file.");
while (count--)
{
Weights wt{ DataType::kFLOAT, nullptr, 0 };
uint32_t size;
// Read name and type of blob
std::string name;
input >> name >> std::dec >> size;
wt.type = DataType::kFLOAT;
// Load blob
uint32_t* val = reinterpret_cast<uint32_t*>(malloc(sizeof(val) * size));
for (uint32_t x = 0, y = size; x < y; ++x)
{
input >> std::hex >> val[x];
}
wt.values = val;
wt.count = size;
weightMap[name] = wt;
}
return weightMap;
}
cv::Mat createLTU(int len) {
cv::Mat lookUpTable(1, 256, CV_8U);
uchar* p = lookUpTable.data;
for (int j = 0; j < 256; ++j) {
p[j] = (j * (256 / len) > 255) ? uchar(255):(uchar)(j * (256 / len));
}
return lookUpTable;
}
ITensor* MeanStd(INetworkDefinition *network, ITensor* input, float* mean, float* std, bool div255) {
if (div255) {
Weights Div_225{ DataType::kFLOAT, nullptr, 3 };
float *wgt = reinterpret_cast<float*>(malloc(sizeof(float) * 3));
for (int i = 0; i < 3; ++i) {
wgt[i] = 255.0f;
}
Div_225.values = wgt;
IConstantLayer* d = network->addConstant(Dims3{ 3, 1, 1 }, Div_225);
input = network->addElementWise(*input, *d->getOutput(0), ElementWiseOperation::kDIV)->getOutput(0);
}
Weights Mean{ DataType::kFLOAT, nullptr, 3 };
Mean.values = mean;
IConstantLayer* m = network->addConstant(Dims3{ 3, 1, 1 }, Mean);
IElementWiseLayer* sub_mean = network->addElementWise(*input, *m->getOutput(0), ElementWiseOperation::kSUB);
if (std != nullptr) {
Weights Std{ DataType::kFLOAT, nullptr, 3 };
Std.values = std;
IConstantLayer* s = network->addConstant(Dims3{ 3, 1, 1 }, Std);
IElementWiseLayer* std_mean = network->addElementWise(*sub_mean->getOutput(0), *s->getOutput(0), ElementWiseOperation::kDIV);
return std_mean->getOutput(0);
}
else {
return sub_mean->getOutput(0);
}
}
IScaleLayer* addBatchNorm2d(INetworkDefinition *network, std::map<std::string, Weights>& weightMap, ITensor& input, std::string lname, float eps) {
float *gamma = (float*)weightMap[lname + ".weight"].values;
float *beta = (float*)weightMap[lname + ".bias"].values;
float *mean = (float*)weightMap[lname + ".running_mean"].values;
float *var = (float*)weightMap[lname + ".running_var"].values;
int len = weightMap[lname + ".running_var"].count;
//std::cout << "len " << len << std::endl;
float *scval = reinterpret_cast<float*>(malloc(sizeof(float) * len));
for (int i = 0; i < len; i++) {
scval[i] = gamma[i] / sqrt(var[i] + eps);
}
Weights scale{ DataType::kFLOAT, scval, len };
float *shval = reinterpret_cast<float*>(malloc(sizeof(float) * len));
for (int i = 0; i < len; i++) {
shval[i] = beta[i] - mean[i] * gamma[i] / sqrt(var[i] + eps);
}
Weights shift{ DataType::kFLOAT, shval, len };
float *pval = reinterpret_cast<float*>(malloc(sizeof(float) * len));
for (int i = 0; i < len; i++) {
pval[i] = 1.0;
}
Weights power{ DataType::kFLOAT, pval, len };
weightMap[lname + ".scale"] = scale;
weightMap[lname + ".shift"] = shift;
weightMap[lname + ".power"] = power;
IScaleLayer* scale_1 = network->addScale(input, ScaleMode::kCHANNEL, shift, scale, power);
assert(scale_1);
return scale_1;
}
ILayer* convBnLeaky(INetworkDefinition *network,
std::map<std::string, Weights>& weightMap,
ITensor& input, int outch, int ksize, int s, int p,
std::string convname, std::string bnname,
bool relu = true,
bool bias = false) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
IConvolutionLayer* conv1;
//Dims dim;
if (!bias)
{
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], emptywts);
}
else
{
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], weightMap[convname + ".bias"]);
}
assert(conv1);
conv1->setStrideNd(DimsHW{ s, s });
conv1->setPaddingNd(DimsHW{ p, p });
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), bnname, 1e-4);
if (relu)
{
auto lr = network->addActivation(*bn1->getOutput(0), ActivationType::kRELU);
return lr;
}
return bn1;
}
IActivationLayer* ResBlock2Conv(INetworkDefinition *network, std::map<std::string, Weights>& weightMap, ITensor& input, int inch, int outch, int stride, std::string lname) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
IConvolutionLayer* conv1 = network->addConvolutionNd(input, inch, DimsHW{ 1, 1 }, weightMap[lname + ".conv1.weight"], emptywts);
assert(conv1);
conv1->setStrideNd(DimsHW{ stride, stride });
conv1->setPaddingNd(DimsHW{ 0, 0 });
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), lname + ".bn1", 1e-5);
IActivationLayer* relu1 = network->addActivation(*bn1->getOutput(0), ActivationType::kRELU);
assert(relu1);
///
IConvolutionLayer* conv2 = network->addConvolutionNd(*relu1->getOutput(0), inch, DimsHW{ 3, 3 }, weightMap[lname + ".conv2.weight"], emptywts);
assert(conv2);
conv2->setStrideNd(DimsHW{ stride, stride });
conv2->setPaddingNd(DimsHW{ 1, 1 });
IScaleLayer* bn2 = addBatchNorm2d(network, weightMap, *conv2->getOutput(0), lname + ".bn2", 1e-5);
IActivationLayer* relu2 = network->addActivation(*bn2->getOutput(0), ActivationType::kRELU);
assert(relu2);
//////
IConvolutionLayer* conv3 = network->addConvolutionNd(*relu2->getOutput(0), outch, DimsHW{ 1, 1 }, weightMap[lname + ".conv3.weight"], emptywts);
assert(conv3);
conv1->setStrideNd(DimsHW{ stride, stride });
conv3->setPaddingNd(DimsHW{ 0, 0 });
IScaleLayer* bn3 = addBatchNorm2d(network, weightMap, *conv3->getOutput(0), lname + ".bn3", 1e-5);
IElementWiseLayer* ew1;
if (inch != outch) {
IConvolutionLayer* conv4 = network->addConvolutionNd(input, outch, DimsHW{ 1, 1 }, weightMap[lname + ".downsample.0.weight"], emptywts);
assert(conv4);
conv4->setStrideNd(DimsHW{ stride, stride });
conv4->setPaddingNd(DimsHW{ 0, 0 });
IScaleLayer* bn4 = addBatchNorm2d(network, weightMap, *conv4->getOutput(0), lname + ".downsample.1", 1e-5);
ew1 = network->addElementWise(*bn4->getOutput(0), *bn3->getOutput(0), ElementWiseOperation::kSUM);
}
else {
ew1 = network->addElementWise(input, *bn3->getOutput(0), ElementWiseOperation::kSUM);
}
IActivationLayer* relu3 = network->addActivation(*ew1->getOutput(0), ActivationType::kRELU);
assert(relu3);
return relu3;
}
IActivationLayer* ResBlock(INetworkDefinition *network, std::map<std::string, Weights>& weightMap, ITensor& input, int inch, int outch, int stride, std::string lname) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
// in 256 out 64
IConvolutionLayer* conv1 = network->addConvolutionNd(input, outch, DimsHW{ 1, 1 }, weightMap[lname + ".conv1.weight"], emptywts);
assert(conv1);
conv1->setStrideNd(DimsHW{ stride, stride });
conv1->setPaddingNd(DimsHW{ 0, 0 });
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), lname + ".bn1", 1e-5);
IActivationLayer* relu1 = network->addActivation(*bn1->getOutput(0), ActivationType::kRELU);
assert(relu1);
///
IConvolutionLayer* conv2 = network->addConvolutionNd(*relu1->getOutput(0), outch, DimsHW{ 3, 3 }, weightMap[lname + ".conv2.weight"], emptywts);
assert(conv2);
conv2->setStrideNd(DimsHW{ stride, stride });
conv2->setPaddingNd(DimsHW{ 1, 1 });
IScaleLayer* bn2 = addBatchNorm2d(network, weightMap, *conv2->getOutput(0), lname + ".bn2", 1e-5);
IActivationLayer* relu2 = network->addActivation(*bn2->getOutput(0), ActivationType::kRELU);
assert(relu2);
//////
IConvolutionLayer* conv3 = network->addConvolutionNd(*relu2->getOutput(0), inch, DimsHW{ 1, 1 }, weightMap[lname + ".conv3.weight"], emptywts);
assert(conv3);
conv1->setStrideNd(DimsHW{ stride, stride });
conv1->setPaddingNd(DimsHW{ 0, 0 });
IScaleLayer* bn3 = addBatchNorm2d(network, weightMap, *conv3->getOutput(0), lname + ".bn3", 1e-5);
IElementWiseLayer* ew1;
ew1 = network->addElementWise(input, *bn3->getOutput(0), ElementWiseOperation::kSUM);
IActivationLayer* relu3 = network->addActivation(*ew1->getOutput(0), ActivationType::kRELU);
assert(relu3);
return relu3;
}
IActivationLayer* liteResBlock(INetworkDefinition *network, std::map<std::string, Weights>& weightMap, ITensor& input, int outch, std::string lname) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
// in 256 out 64
IConvolutionLayer* conv1 = network->addConvolutionNd(input, outch, DimsHW{ 3, 3 }, weightMap[lname + ".conv1.weight"], emptywts);
assert(conv1);
conv1->setStrideNd(DimsHW{ 1, 1 });
conv1->setPaddingNd(DimsHW{ 1, 1 });
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), lname + ".bn1", 1e-5);
IActivationLayer* relu1 = network->addActivation(*bn1->getOutput(0), ActivationType::kRELU);
assert(relu1);
///
IConvolutionLayer* conv2 = network->addConvolutionNd(*relu1->getOutput(0), outch, DimsHW{ 3, 3 }, weightMap[lname + ".conv2.weight"], emptywts);
assert(conv2);
conv2->setStrideNd(DimsHW{ 1, 1 });
conv2->setPaddingNd(DimsHW{ 1, 1 });
IScaleLayer* bn2 = addBatchNorm2d(network, weightMap, *conv2->getOutput(0), lname + ".bn2", 1e-5);
IElementWiseLayer* ew1;
ew1 = network->addElementWise(input, *bn2->getOutput(0), ElementWiseOperation::kSUM);
IActivationLayer* relu3 = network->addActivation(*ew1->getOutput(0), ActivationType::kRELU);
assert(relu3);
return relu3;
}
ILayer* convBnAddLeaky(INetworkDefinition *network, std::map<std::string, Weights>& weightMap, ITensor& input, ITensor& addinput, int outch, int ksize, int s, int p, std::string convname, std::string bnname, bool bias = false) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
IConvolutionLayer* conv1;
//Dims dim;
if (!bias)
{
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], emptywts);
}
else
{
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], weightMap[convname + ".bias"]);
}
assert(conv1);
conv1->setStrideNd(DimsHW{ s, s });
conv1->setPaddingNd(DimsHW{ p, p });
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), bnname, 1e-4);
IElementWiseLayer* add = network->addElementWise(*bn1->getOutput(0), addinput, ElementWiseOperation::kSUM);
auto lr = network->addActivation(*bn1->getOutput(0), ActivationType::kRELU);
return lr;
}
ILayer* netAddUpsampleBi(INetworkDefinition *network, ITensor *input, Dims outdims)
{
// Bi + True
IResizeLayer *upSample = network->addResize(*input);
upSample->setResizeMode(ResizeMode::kLINEAR);
upSample->setOutputDimensions(outdims);
upSample->setAlignCorners(true); // tips!
return upSample;
}
IElementWiseLayer* convBnUpAdd(INetworkDefinition *network,
std::map<std::string, Weights>& weightMap,
ITensor& input, ITensor& addinput,
int outch, int ksize, int s, int p,
std::string convname,
std::string bnname, bool upsample, bool bias = false) {
Weights emptywts{ DataType::kFLOAT, nullptr, 0 };
IConvolutionLayer* conv1;
nvinfer1::Dims inp = input.getDimensions();
if (!bias) {
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], emptywts);
}
else {
conv1 = network->addConvolutionNd(input, outch, DimsHW{ ksize, ksize }, weightMap[convname + ".weight"], weightMap[convname + ".bias"]);
}
assert(conv1);
conv1->setStrideNd(DimsHW{ s, s });
conv1->setPaddingNd(DimsHW{ p, p });
nvinfer1::Dims inpDims = conv1->getOutput(0)->getDimensions();
IScaleLayer* bn1 = addBatchNorm2d(network, weightMap, *conv1->getOutput(0), bnname, 1e-5);
if (!upsample) {
IElementWiseLayer* add = network->addElementWise(*bn1->getOutput(0), addinput, ElementWiseOperation::kSUM);
return add;
}
else {
nvinfer1::Dims dim = addinput.getDimensions();
ILayer* up = netAddUpsampleBi(network, bn1->getOutput(0), dim);
IElementWiseLayer* add = network->addElementWise(*up->getOutput(0), addinput, ElementWiseOperation::kSUM);
//auto lr = network->addActivation(*add->getOutput(0), ActivationType::kRELU);
return add;
}
}