pil example pil opencv (snippet)

Python pil example 'pil opencv'

Functions in program:

def boxes_on_faces(cv_image, faces):
def str2pil(image_data):
def pil2cv(pil_image):

Modules used in program:

import cStringIO as StringIO
import Image
import cv

python pil opencv

Python pil example: pil opencv

###################################################################################################
import cv
import Image
import cStringIO as StringIO

def pil2cv(pil_image):
    channels = 1 if pil_image.mode == 'L' else 3
    cv_im = cv.CreateImageHeader(pil_image.size, cv.IPL_DEPTH_8U, channels)
    cv.SetData(cv_im, pil_image.tostring())
    return cv_im

def str2pil(image_data):
    return Image.open(StringIO.StringIO(image_data))

def boxes_on_faces(cv_image, faces):
    for (x, y, w, h), n in faces:
        pt1 = (int(x), int(y))
        pt2 = (int((x + w)), int((y + h)))
        cv.Rectangle(cv_image, pt1, pt2, cv.RGB(255, 0, 0), 3, 8, 0)

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com