数字货币交易所开发技术是一种去中心化的共识机制，来维护一个完整的、分布式的、不可篡改的账本数据库的技术。
它能够让区块链中的参与者在无需建立信任关系的前提下实现一个统一的账本系统。
auto input=net->getSessionInput(session,NULL);
auto output=net->getSessionOutput(session,NULL);
auto dims=input->shape();
int bpp=dims[1];
int size_h=dims[2];
int size_w=dims[3];
auto inputPatch=argv[2];
FREE_IMAGE_FORMAT f=FreeImage_GetFileType(inputPatch);
FIBITMAP*bitmap=FreeImage_Load(f,inputPatch);
auto newBitmap=FreeImage_ConvertTo32Bits(bitmap);
auto width=FreeImage_GetWidth(newBitmap);
auto height=FreeImage_GetHeight(newBitmap);
FreeImage_Unload(bitmap);
Matrix trans;
//Dst->[0,1]
trans.postScale(1.0/size_w,1.0/size_h);
//Flip Y（因为FreeImage解出来的图像排列是Y方向相反的）
trans.postScale(1.0,-1.0,0.0,0.5);
//[0,1]->Src
trans.postScale(width,height);
ImageProcess::Config config;
config.filterType=NEAREST;
float mean[3]={103.94f,116.78f,123.68f};
float normals[3]={0.017f,0.017f,0.017f};
::memcpy(config.mean,mean,sizeof(mean));
::memcpy(config.normal,normals,sizeof(normals));
config.sourceFormat=RGBA;
config.destFormat=BGR;
std::shared_ptrpretreat(ImageProcess::create(config));
pretreat->setMatrix(trans);
pretreat->convert((uint8_t*)FreeImage_GetScanLine(newBitmap,0),width,height,0,input);
net->runSession(session);
