Skip to content

Instantly share code, notes, and snippets.

@Yunaka12
Yunaka12 / img_utils.py
Created February 7, 2020 07:57
画像編集などのときに使う機能まとめ
"""
必要なモジュール
"""
import glob
import cv2
import numpy as np
import glob
import os
from scipy.ndimage.interpolation import rotate
from scipy.misc import imresize
@Yunaka12
Yunaka12 / resize.py
Created November 14, 2019 03:16
Resize Images by python
import cv2
import glob
import os
import matplotlib.pyplot as plt
import numpy as np
SIZE = 416
path ="画像フォルダのパス"
save_path = "保存先のパス"
@Yunaka12
Yunaka12 / k_fold.py
Created August 30, 2019 08:26
各クラスの比率を保ったまま、学習データ、テストデータ、検証用データにk分割
import numpy as np
#配列をn分割
def split_data(data,split_num):
split_arr=[]
for i in range(0,len(data),split_num):
split_tmp_arr = data[i:i+split_num]
split_tmp_arr = np.array(split_tmp_arr).flatten()
split_arr.append(split_tmp_arr.tolist())
return split_arr
# coding: utf-8
# Your code here!
import numpy as np
data=np.array([[4.87,4.93,4.86,4.85],[4.86,4.90,4.85,4.86],[4.90,4.89,4.85,4.84],[4.87,4.91,4.81,4.86],[4.85,4.92,4.83,4.89]])
# data = np.array([[33,31,33],[30,29,31],[33,28,32],[29,29,32],[32,27,36]])
data_flatten = data.flatten()
data_mean = data_flatten.mean()
print("全体平均:{}".format(data_mean))
#列の平均
@Yunaka12
Yunaka12 / analysis_two_variable_function.py
Created May 12, 2019 04:10
2変数関数の極大・極小・鞍点をsympyを利用して求める
from sympy import Symbol, solve, Derivative, Matrix, simplify
x = Symbol('x')
y = Symbol('y')
f = 2*x**3 + 4*x*y**2 - 10*x*y + y**2
f_x = Derivative(f,x).doit() #xで1階偏微分
f_y = Derivative(f,y).doit() #yで1階偏微分
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<style>
body{
margin: 0 auto;
width: 980px;
}
a{
@Yunaka12
Yunaka12 / Twitter_all_media_downloader.py
Last active August 16, 2018 00:02
ツイッターの任意のユーザーの画像・動画・GIFをDLする。これらのメディア投稿時のツイートもエクセルファイルに保存する。
from twython import Twython, TwythonError
import urllib.request
import re
import time
import os
import emoji
import openpyxl
#ファイル名をツイート日時(日本時間)に設定
def change_name(date):
@Yunaka12
Yunaka12 / baba.py
Last active July 29, 2018 12:14
全自動ババ抜き。
import random
#カードを分配する関数
def dist(num):
player_tehuda = [[] for i in range(num)]
while len(cards) != 0:
for i in range(player_num):
if len(cards) != 0:
choice = random.choice(cards)
player_tehuda[i].append(choice)
@Yunaka12
Yunaka12 / cache.py
Last active July 29, 2018 12:15
jsonを利用した簡易的なキャッシュ。
from tinydb import TinyDB, Query
import datetime
#重い処理の例
def omoi(i):
#データベースから読み込まれていない場合
if i == 0:
for i in range(100000000):
i = i + 1
if DB_length == 0:
@Yunaka12
Yunaka12 / slater.py
Last active July 29, 2018 12:16
いくつかの原子の任意の有効核電荷をスレーターの規則に則って計算するプログラム。
densi = int(input("\n原子番号:"))
power = input("有効核電荷を求めたい電子の軌道:")
orbit_num = [2,2,6,2,6,2,10,6]
orbit_name = ["1s","2s","2p","3s","3p","4s","3d","4p"]
gensi = ["水素","ヘリウム","リチウム","ベリリウム","ホウ素","炭素","窒素","酸素","フッ素","ネオン","ナトリウム","マグネシウム","アルミニウム","ケイ素","リン","硫黄",
"塩素","アルゴン","カリウム","カルシウム","スカンジウム","チタン","バナジウム","クロム","マンガン","鉄","コバルト","ニッケル","銅","亜鉛","ガリウム","ゲルマニウム",
"ヒ素","セレン","臭素","クリプトン"]
print("\n元素名: {}".format(gensi[densi-1]))