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Python 2022-03-16 18:30:19
get all possible corner using shi thomas cv2
import cv2 as cv import numpy as np img = cv.imread('qiqiao.jpg') gray = cv.cvtColor(img, cv.COLOR_BGR2GRAY) # Shi-Tomasi corner detection corners = cv.goodFeaturesToTrack(gray, 12, 0.01, 10) corners = np.int0(corners) # 12 corner coordinates for i in... Add solution -
Python 2022-02-03 15:05:47
Given a list of strings, find the list of characters that appear in all strings.
# Common characters in n strings: def findAllC(list): # Take every single characters in the strings in the list chrs = set("".join(list)) out = [] for i in chrs: # for each chrs in list count the chrs, if count is 0 break an... Add solution -
Python 2021-11-04 08:56:11
pandas read_csv drop column
# Read column names from file cols = list(pd.read_csv("sample_data.csv", nrows =1)) print(cols) # Define unused cols unused = ['col1', 'col2'] # Use list comprehension to remove the unwanted column in **usecol** df= pd.read_csv("sample_data... Add solution -
Python 2021-10-19 07:05:08
drop first column read_csv
# Read column names from file cols = list(pd.read_csv("sample_data.csv", nrows =1)) print(cols) # Use list comprehension to remove the unwanted column in **usecol** df= pd.read_csv("sample_data.csv", usecols =[i for i in cols if i != ... Add solution -
Other 2021-10-10 22:48:06
Graphing From Multiple DataFrames
import pandas as pd import dash import dash_core_components as dcc import dash_html_components as html import plotly.graph_objects as go from dash.dependencies import Input, Output, State df1 = pd.DataFrame({'col1': ['a', 'b', 'c'], 'col2': ['d', 'e', '... Add solution -
Python 2021-09-26 20:20:01
hsv to rgb python
import colorsys def hsv2rgb(self, h,s,v): return tuple(round(i * 255) for i in colorsys.hsv_to_rgb(h/360,s/100,v/100)) # H S V values should be between 0 and 1. # If the colors are already normalised(between 0 and 1) you don't have to divide e... Add solution
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