PsychopyでOpenCV画像をImageStimで表示する
Psychopy - GitHub y軸反転と画素値をfloat（0-1）に変換すればOK。 npimg: np.ndarray # (height, width, num_channels) stimimg = np.flip(npimg.astype(np.float32) / 255, axis=0) ウインドウに表示させるサンプル import numpy as np # numpy>=1.20.1 import cv2 # type: ignore # opencv-python>=4.5.1.48 from psychopy import core # type: ignore # psychopy>=2020.2.10 from psychopy.visual import Window, ImageStim # type: ignore import sys # npimg: np.ndarray = cv2.imread('image.png', 1) npimg: np.ndarray = np.zeros((400, 400, 3), dtype=np.uint8) npimg = cv2.line(npimg, (0, 50), (400, 50), (127, 127, 127), 3) npimg = cv2.line(npimg, (50, 0), (50, 400), (255, 255, 255), 3) # cv2.imwrite('image.png', npimg) stimimg = np.flip(npimg.astype(np.float32) / 255, axis=0) window = Window((400, 400), color='black', units='pix') stim = ImageStim(window, pos=(0, 0), size=(400, 400)) stim.image = stimimg stim.draw() window.flip() core.wait(3) # while True: # stim.draw() # window.flip() # # for keys in event.getKeys(timeStamped=True): # if keys[0] in [ 'escape', 'q' ]: # sys.exit(0) # # core.wait(0.01)