fightingst / deep-learning-and-computer-vision Goto Github PK
View Code? Open in Web Editor NEW深度学习与计算机数视觉笔记(李飞飞)
深度学习与计算机数视觉笔记(李飞飞)
最近邻算法:找到距离最短对象。
距离计算方法:曼哈顿距离算法也叫做L1距离算法、欧式距离也叫做L2距离算法
曼哈顿距离算法:用测试样本和训练样本逐元素相比较,所有元素点差的绝对值求和,即得到相似性。
值得指出的是:最近邻算法无论训练样本有多大,对于一个单独的样本来说,测试量不变。
欧式距离:计算这些图像间差值的平方和,这个距离的设置被称为 “超参数”
KNN(最邻近分类器):通过调整超参数来提高精度,一般不用于高维度。
svm损失函数:
softmax损失函数:
两函数区别:相比之下,softmax更关注于每个测试样本;svm有附加稳定性
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.