首先找到screencap类在Android源码中的位置,/442/frameworks/base/cmds/screencap/screencap.cpp 源码如下: /* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except i
SGDSolver类简介 Solver类用于网络参数的更新,而SGDSolver类实现了优化方法中的随机梯度下降法(stochastic gradient descent),此外还具备缩放.正则化梯度等功能.caffe中其他的优化方法都是SGDSolver类的派生类,重载了基类的ComputeUpdateValue()函数,用于各自计算更新的梯度. sgd_solver.cpp源码 // Return the current learning rate. The currently implem