python opencv pip I know that I can pip install opencv-python which installs opencv3, but is there a separate command or name for opencv2.4.9? If not, how can I specify which version to install? 相關軟體 Python 下載 Python是一款簡單強大又好用的動態語言,在國外已經流行了十幾年。Python擁有更高的時效性,可以讓您的開發週期更短,並讓您的生產力提升。 簡單易學,並有內建的各種現成的模組 ... 了解更多 »