Recent Posts
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Dive into ESPIRiT, from Theory to Practice
This post summarizes the ESPIRiT algorithm for estimating coil sensitivies in MRI. It took me months to grasp the theory behind it. -
cuda编程-矩阵乘法优化
上一篇blog实现了一个基本的cuda程序，本篇记录如何实现矩阵乘法并加速。 -
CMake Cheatsheet
CMake is a popular cross-platform build system that allows developers to use a common interface to define a set of rules to build the source code with diff... -
cuda编程-基本概念
当今科学计算越来越复杂，各种模型越来越大，使用SVM做分类的时代早已一去不复返，通过GPU加速应用的重要性不言而喻。我在MRI领域工作的这几年，经常碰高度复杂的MRI应用，Matlab计算时间在几小时到几天不等，即使高度优化的C++的程序也需要10至30分钟左右。这些应用的CPU利用率已然接近100%，因此通... -
Powerful Bregman Methods
The Bregman method is an iterative method to solve convex optimization problems with equality constraints.
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