[2020鐵人賽Day30]糊裡糊塗Python就上手 | python opencv install
今日目標輕鬆小品,來點OpenCV人臉辨識的實作WhatisOpenCV?OpenCV(OpenSourceComputerVision)是一個跨平台的電腦視覺庫,包含許多電腦視覺相關演算處理的OpenSourceLibrary,而且支援多種開法語言,同時OpenCV也可以在手機APP(Android、iOS)上開發InstallOpenCV使用Commandline,並運用pipinstall安裝OpenCV相關說明文件:pypiopencv-python[1]pipinstallopencv-python實際體驗事前準備在Google圖片上,搜尋到這張圖片,就用來這次的體驗,將他放於我們將要執行的Code同一層位置,命名為「human.jpg」導入OpenCV模組importcv2建立de...
今日目標輕鬆小品,來點 OpenCV 人臉辨識的實作
What is OpenCV?OpenCV(Open Source Computer Vision)是一個跨平台的電腦視覺庫,包含許多電腦視覺相關演算處理的Open Source Library,而且支援多種開法語言,同時 OpenCV 也可以在手機APP(Android、iOS)上開發
Install OpenCV使用 Command line,並運用 pip install 安裝 OpenCV相關說明文件:pypi opencv-python[1]
pip install opencv-python 實際體驗 事前準備在 Google 圖片上,搜尋到這張圖片,就用來這次的體驗,將他放於我們將要執行的 Code 同一層位置,命名為「human.jpg」
導入 OpenCV 模組 import cv2 建立 detectFace Function 並可帶入 img 圖片名稱變數 def detectFace(img): 取得將使用的檔案名稱,並讀取圖檔,接著把圖檔透過轉換函式轉為灰階影像,定義框出人臉時的框顏色 filename = img.split(".")[0] # 取得檔案名稱(不添加副檔名) img = cv2.imread(img) # 讀取圖檔 grayImg = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # 透過轉換函式轉為灰階影像 color = (0, 255, 0) # 定義框的顏色 建立 OpenCV 的人臉識別分類器 # OpenCV 人臉識別分類器 face_classifier = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml") 調用偵測識別人臉函式,並框出偵測到的每一張人臉detectMultiScale函數,它可以偵測出圖片中所有的人臉,其參數為:
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How do I install opencv using pip? | python opencv install
2018年8月15日 — To Install the Current Latest version of OpenCV then use the below commands: · Open anaconda command prompt and type in below command. conda ... Read More
How to Install OpenCV for Python on Windows? | python opencv install
2021年10月5日 — Downloading and Installing OpenCV: · Type the command in the Terminal and proceed: Getting-Started · Collecting Information and downloading data: Read More
Install OpenCV | python opencv install
Installing OpenCV from prebuilt binaries · Below Python packages are to be downloaded and installed to their default locations. · Install all packages into their ... Read More
Install OpenCV | python opencv install
Installing OpenCV from prebuilt binaries · Below Python packages are to be downloaded and installed to their default locations. · Install all packages into their ... Read More
Install OpenCV | python opencv install
Installing OpenCV from prebuilt binaries. Below Python packages are to be downloaded and installed to their default locations. Install all packages into their default locations. After installation, open Python IDLE. Download latest OpenCV release from Git Read More
Install OpenCV-Python in Windows | python opencv install
Building OpenCV from source¶ · Make sure Python and Numpy are working fine. · Download OpenCV source. · Extract it to a folder, opencv and create a new folder ... Read More
OpenCV —在Windows中安裝OpenCV | python opencv install
2018年6月2日 — 啟動Virtualenv 後就可以在裡面安裝OpenCV,安裝的方式同樣使用pip: (venv)C:-Users-Leo> pip install opencv-python. 安裝完成後會出現以下 ... Read More
opencv | python opencv install
Installation and Usage · Option 1 - Main modules package: pip install opencv-python · Option 2 - Full package (contains both main modules and contrib/extra ... Read More
pip install opencv-contrib | python opencv install
2021年1月2日 — If you have previous/other manually installed (= not installed via pip ) version of OpenCV installed (e.g. cv2 module in the root of Python's ... Read More
pip install opencv | python opencv install
2021年1月2日 — If you have previous/other manually installed (= not installed via pip ) version of OpenCV installed (e.g. cv2 module in the root of Python's ... Read More
python 3.6下安裝opencv 解決import cv2 問題(Windows+ ... | python opencv install
2019年1月23日 — python 3.6下安裝opencv 解決import cv2 問題(Windows+Python3.6(Anaconda3)+OpenCV3.4安裝配置). 其他 · 發表 2019-01-23 ... Read More
Python3安裝opencv方法步驟 | python opencv install
2019年1月30日 — Python3支援pip方式自動安裝第三方開發包,我們只要開啟windows下面的命令列工具,輸入如下命令: pip install opencv-python 安裝最新 ... Read More
[2020鐵人賽Day30]糊裡糊塗Python就上手 | python opencv install
今日目標 · What is OpenCV? · Install OpenCV · 實際體驗 · 結論. Read More
[OpenCV+Python] 安裝與簡介. 安裝與簡介 | python opencv install
建置Python+OpenCV的環境需分成兩個部分,安裝Anaconda及利用conda ... Anaconda是一個相當方便的套件,只需輸入conda install cv2即可完成安裝,若是cv2 ... Read More
如何安裝Python 與OpenCv | python opencv install
接著可以開始進行安裝opencv 套件,由於已經安裝好套件管理器pip,因此可以透過下指令的方式進行安裝套件,如下方指令。 pip install opencv-python. 待安裝完成後,可以 ... Read More
安裝python OpenCV install 電腦中圖片的基本概念總整理(附錄 | python opencv install
2020年9月13日 — 安裝install python OpenCV,電腦中圖片的基本概念總整理。從安裝OpenCV 開始,並介紹電腦中圖片的基本概念(灰階、全彩RGB、座標軸、計算圖片大小) Read More
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