Visualizing MNIST with t-SNE, MDS, Sammon’s Mapping and Nearest neighbor graph

MNIST 可视化 Visualizing MNIST: An Exploration of Dimensionality Reduction At some fundamental level, no one understands machine learning. It isn't a matter of things being too complicated. Almost everything we do is fundamentally very simple. Unfortuna…

可视化MNIST之降维探索Visualizing MNIST: An Exploration of Dimensionality Reduction

At some fundamental level, no one understands machine learning. It isn’t a matter of things being too complicated. Almost everything we do is fundamentally very simple. Unfortunately, an innate human handicap interferes with us understanding these si…

Android+TensorFlow+CNN+MNIST 手写数字识别实现

Android+TensorFlow+CNN+MNIST 手写数字识别实现 SkySeraph 2018 Email:skyseraph00#163.com 更多精彩请直接访问SkySeraph个人站点:www.skyseraph.com Overview 本文系“SkySeraph AI 实践到理论系列”第一篇,咱以AI界的HelloWord 经典MNIST数据集为基础,在Android平台,基于TensorFlow,实现CNN的手写数字识别.Code~ Practice Environmen…

机器学习（1） - TensorflowSharp 简单使用与KNN识别MNIST流程

机器学习是时下非常流行的话题,而Tensorflow是机器学习中最有名的工具包.TensorflowSharp是Tensorflow的C#语言表述.本文会对TensorflowSharp的使用进行一个简单的介绍. 本文会先介绍Tensorflow的一些基本概念,然后实现一些基本操作例如数字相加等运算.然后,实现求两个点(x1,y1)和(x2,y2)的距离.最后,通过这些前置基础和一些C#代码,实现使用KNN方法识别MNIST手写数字集合(前半部分).阅读本文绝对不需要任何机器学习基础,因为我现在…

tensorflow knn mnist

# MNIST Digit Prediction with k-Nearest Neighbors #----------------------------------------------- # # This script will load the MNIST data, and split # it into test/train and perform prediction with # nearest neighbors # # For each test integer, we…

降维工具箱drtool

工具箱下载:http://leelab.googlecode.com/svn/trunk/apps/drtoolbox/ ———————————————————————————————————————————— 参考:https://chunqiu.blog.ustc.edu.cn/?p=413 这个工具箱的主页如下,现在的最新版本是2013.3.21更新,版本v0.8.1b http://homepage.tudelft.nl/19j49/Matlab_Toolbox_for_Dimens…

matlab 降维工具转载【https://blog.csdn.net/tarim/article/details/51253536】

降维工具箱drtool 这个工具箱的主页如下,现在的最新版本是2013.3.21更新,版本v0.8.1b http://homepage.tudelft.nl/19j49/Matlab_Toolbox_for_Dimensionality_Reduction.html 这里有两个这个工具箱的简单介绍: [Matlab]数据降维工具箱drtoolbox http://blog.csdn.net/xiaowei_cqu/article/details/7515077 [Dimension…

matlab 工具之各种降维方法工具包，下载及使用教程，有PCA， LDA，等等。。。

最近跑深度学习,提出的feature是4096维的,放到我们的程序里,跑得很慢,很慢.... 于是,一怒之下,就给他降维处理了,但是matlab 自带的什么pca( ), princomp( )函数,搞不清楚怎么用的,表示不大明白,下了一个软件包: 名字:Matlab Toolbox for Dimensionality Reduction 链接:http://lvdmaaten.github.io/drtoolbox/ Currently, the Matlab Toolbox for Dim…

ICLR 2014 International Conference on Learning Representations深度学习论文papers

ICLR 2014 International Conference on Learning Representations Apr 14 - 16, 2014, Banff, Canada Workshop Track Submitted Papers Stochastic Gradient Estimate Variance in Contrastive Divergence and Persistent Contrastive Divergence Mathias Berglund, Ta…

Tensorflow word2vec+manage experiments

Lecture note 5: word2vec + manage experiments Word2vec Most of you are probably already familiar with word embedding and understand the importance of a model like word2vec. For those who aren't, Stanford CS 224N's lecture on word vectors is a great r…

deep_learning_MNIST数据集

Code_link:https://pan.baidu.com/s/1dshQt57196fhh67F8nqWow 本文是为既没有机器学习基础也没了解过TensorFlow的码农.序媛们准备的.如果已经了解什么是MNIST和softmax回归本文也可以再次帮助你提升理解.在阅读之前,请先确保在合适的环境中安装了TensorFlow(windows安装请点这里,其他版本请官网找),适当编写文章中提到的例子能提升理解. 首先我们需要了解什么是“MNIST”? 每当我们学习一门新的语言时,所有的入门教…

【转】[特征选择] An Introduction to Feature Selection 翻译

中文原文链接:http://www.cnblogs.com/AHappyCat/p/5318042.html 英文原文链接: An Introduction to Feature Selection 下面的中文译文侧重从原理上进行解释,但是在实际的应用中往往侧重的是实现过程, 可以看考这个链接,描述的比较详细,需要细细的学习:http://blog.csdn.net/bryan__/article/details/51607215 [中文原文] 你需要哪些特征来构建一个预测模型? 这是一个困难的…

Fully Convolutional Networks for semantic Segmentation（深度学习经典论文翻译）

摘要卷积网络在特征分层领域是非常强大的视觉模型.我们证明了经过端到端.像素到像素训练的卷积网络超过语义分割中最先进的技术.我们的核心观点是建立"全卷积"网络,输入任意尺寸,经过有效的推理和学习产生相应尺寸的输出.我们定义并指定全卷积网络的空间,解释它们在空间范围内dense prediction任务(预测每个像素所属的类别)和获取与先验模型联系的应用.我们改编当前的分类网络(AlexNet [22] ,the VGG net [34] , and GoogLeNet [35] )到完…

[转]Neural Networks, Manifolds, and Topology

colah's blog Blog About Contact Neural Networks, Manifolds, and Topology Posted on April 6, 2014 topology, neural networks, deep learning, manifold hypothesis Recently, there’s been a great deal of excitement and interest in deep neural networks beca…

(转) Learning from Imbalanced Classes

Learning from Imbalanced Classes AUGUST 25TH, 2016 If you’re fresh from a machine learning course, chances are most of the datasets you used were fairly easy. Among other things, when you built classifiers, the example classes werebalanced, meaning t…

Awesome Deep Vision

Awesome Deep Vision A curated list of deep learning resources for computer vision, inspired by awesome-php and awesome-computer-vision. Maintainers - Jiwon Kim, Heesoo Myeong, Myungsub Choi, Jung Kwon Lee, Taeksoo Kim We are looking for a maintainer…

用matlab训练数字分类的深度神经网络Training a Deep Neural Network for Digit Classification

This example shows how to use Neural Network Toolbox™ to train a deep neural network to classify images of digits. Neural networks with multiple hidden layers can be useful for solving classification problems with complex data, such as images. Each l…

state-of-the-art implementations related to visual recognition and search

http://rogerioferis.com/VisualRecognitionAndSearch2014/Resources.html Source Code Non-exhaustive list of state-of-the-art implementations related to visual recognition and search. There is no warranty for the source code links below – use them at you…

TensorFlow 处理图片

目标:介绍如何对图像数据进行预处理使训练得到的神经网络模型尽可能小地被无关因素所影响.但与此同时,复杂的预处理过程可能导致训练效率的下降.为了减少预处理对于训练速度的影响,TensorFlow 提供了多线程处理输入数据的解决方案. TFRecord 输入数据格式 TensorFlow 提供了一种统一的格式来存储数据(TFRecord).TFRecord 文件中的数据都是通过 tf.train.Example Protocol Buffer 的格式存储的. tf.train.Example的定义:…