Docker
Links
Quick notes
Commands
docker images
docker run -it ubuntu <shell>
-v <host_dir>/<container_dir>
-p
--rm
, automatically aremove the container when it exists
docker exec -it <container_name> bash
docker history <image>
- 自下而上构建镜像层的缓存,
<...>: Already existes
docker ps
-a
for all
行走
行走记录
- 2018-03-24 45321步 33.5km
路线
- 2018-01-07 大钟寺博物馆-中华民族园博物馆-中国动物博物馆
- 2018-01-14 清华大学艺术博物馆-香巴拉户外用品专卖店-中国人民大学
- 2018-01-21 惠新西街南口-天坛
- 2018-01-28 石刻艺术博物馆-古代钱币展览馆(德胜门箭楼)
- 2018-02-05 西直门-阜成门-宣武门-中国铁道博物馆正阳门展馆-正阳门城楼
- 2018-03-04 中国海关博物馆(雄关漫道:丝绸之路上的谷关)-北京古观象台
- 2018-03-10 国家典籍博物馆-中国古动物馆-李大钊故居
- 2018-03-17 首都博物馆
- 天路文华,西藏历史文化展
- 读城,发现北京四合院之美
- 2018-03-24 玉渊潭-中国革命军事博物馆
文化
速记
龙之九子
- 龙有九个儿子,是跟谁生的?为什么「龙生九子,各不成龙」? - 豆子的回答 - 知乎
- 龙有九个儿子,是跟谁生的?为什么「龙生九子,各不成龙」? - 知乎
一说
龍生九子不成龍,各有所好:
囚牛,龍種,平生好音樂,今胡琴頭上刻獸是其遺像;
睚眦,平生好殺,今刀柄上龍吞口是其遺像;
嘲風,平生好險,今殿角走獸是其遺像;
蒲牢,平生好鳴,今鐘上獸鈕是其遺像;
狻猊,平生好坐,今佛座獅子是其遺像;
霸上,平生好負重,今碑座獸是其遺像;
狴犴,平生好訟,今獄門上獅子頭是其遺像;
贔屭,平生好文,今碑兩旁龍是其遺像;
蚩吻,平生好吞,今殿脊獸頭是其遺像。
李东阳(1447年-1516年) 《怀麓堂集》
行于五台
出发
旧岁之末,新年伊始,我们来到了五台山。
这是我第一次进行多天的徒步。
去之前的心情还是比较放松的,因为从照片上看,五台山的山势平缓。
路,看起来相当的很好走。
仅有的一丝丝忐忑不安,仅仅是有点低的温度。
CS231n
Course notes of CS231n, Convolutional Neural Networks for Visual Recognition.
2. Image Classification pipeline
- Challenges
- Viewpoint variation 多视角
- Illumination 光线
- Deformation 变形
- Occlusion 遮挡
- Background Clutter 杂乱的背景
- Intraclass variation 内类多样性
- Nearest Neighbor
- Compute the distances of testing images and training images
- \(L_n\) norm
- \((\sum_{i}{|X^i|^n})^{\frac{1}{n}}\)
- \(L_n\) distance
- \((\sum_{i}{|X_1^i - X_2^i|^n})^{\frac{1}{n}}\)
- method
- For each testing image, find the nearest training image
- Use the label of finding training image as the prediction
- complexity
- Training: \(O(1)\)
- Testing: \(O(n)\)
MCB80x
MCB80x, the fundamental of neuroscience, is a free, open, online Neuroscience course from HarvardX led by Professor David Cox. Animation by Daniela Sherer + Music by Dan Deacon. Edited by Alex Auriema.
Welcome
- Harvard
- brain
- Three parts
- explore science in Harvard and Boston
- guided interactivity
- DIY science
- Modules
- THE ELECTRICAL PROPERTIES OF THE NEURON
- signal generating, transfering
- NEURONS AND NETWORKS
- groups of neurons
- THE BRAIN
- society, intelligence
- THE ELECTRICAL PROPERTIES OF THE NEURON
Matlab
Quick notes
! Matlab start from 1, not 0 !
switch
dataset = 'minist';
switch(dataset):
case 'cifar-10'
code;
case 'minist'
code;
otherwise
error('Unrecognized dataset!')
end
Shell
Quick notes
System information
neofetch
, system infodu -sh <file>/<directory>
, check the size of file or directorydf -h
, display free disk space-h
, 1k = 1024 byte-H
, 1k = 1000 byte
uname -s
, print kernel name- Linux
- Darwin
uname -r
, linux release numberlast -n 50
, check last logged in userslastb -n 50
,pstree -p
, process treew
, show who is logged on and what they are doing
Vim
This notes contains useful tips for using Vim or editing and I use spf13-vim.
- spf13-vim is a distribution of vim plugins and resources for Vim.
- Install spf13-vim:
curl http://j.mp/spf13-vim3 -L -o - | sh
Plugins
Surround
Managing all the ‘”[{}]“’ etc.
- Characters meaning
- operations
d
deletec
changey
add?
s
representssurrounding
S
for visual mode surroundings- text object (vim editing)
w
wordiw
in wordaw
all word, including space(s)
- surroundings
(
left bracket will give a space between it and content)
right won’tb
=)
- operations
- Examples
yss)
surround a line of content with()
ysiw<div>
surround a word like this<div>nice</div>
VS<div>
surround a line with<div></div>
Forward Learning
Papers read during research forward deep learning algorithm.
Quick notes
- 正推,逆推
- 底层精度高=> 高层精度高
- 相同结构网络,精度高的网络,从中间截取进行分类是否精度也高?
- 不同粒度特征提取的结合
- 粒度,卷积层数? 层数不同的实质是什么不同?
- 在调整了一些Hyper-paramenter后,大致上可以发现影响更大的参数,比如卷积核数
- 调整优先级:欠拟合 > 过拟合
- 用CIFAR-10训练时,测试集上的loss会在某次迭代中突然丢失,然后又恢复,形成一个尖刺?
- 将问题分割成子问题,但试图用深度学习解决的问题,都不太好分割成子问题
Orthogonal Bipolar Target Vectors1
Can OBV construct a middle target for CNN?
A kind of target representation.
- conventional
- BNV - binary: \((0, 0, 1, 0, 0)\)
- BPV - bipolar?: \((-1, -1, 1, -1, -1)\)
- OBV - orthogonal bipolar vectors
- NOV - Non-Orthogonal Vecotrs
- For fail comparision
- \(V_i=(\overbrace{-1 , \cdots , -1}^{i-1}, 1, \overbrace{-1 , \cdots , -1}^{n-i})\)
- \(cos \theta = \frac{n-2}{n}\)
- degraded characters?
- They use degraded license plate images as expirement data. (车牌号)
How to generate OBV from conventional target?