img=nj.read("_JPEG_FILE_PATH_")
# like cv2.imread("_JPEG_FILE_PATH_")
Write Numpy to Jpeg File
nj.write("_JPEG_FILE_PATH_", img)
# or nj.write("_JPEG_FILE_PATH_", quality)# int quality default 70, mean jpeg quality# like cv2.imwrite("_JPEG_FILE_PATH_", img)
Decode Jpeg bytes in variable
img=nj.decode(jpeg_bytes)
# like cv2.imdecode(variable)
Encode image numpy array to bytes
jpeg_bytes=nj.encode(img)
# or with jpeg quality# jpeg_bytes = nj.encode(img, 70)# int quality default 70, mean jpeg quality# like cv2.imencode(".jpg", variable)[1]