OpenCV - Thug Life Filter - Creation Code

 

Thug Life:

We all know what is thug life filter and it is used in memes widely. As a tech geek, I was very curious to know how it works. After some research, I came to know that we can make it in python very easily 

Necessary Files:

Some important files we will use in this project to build this you can find from here

Code:

import numpy as np

import cv2

face_cascade = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')

specs_ori = cv2.imread('glass.png', -1)

cigar_ori = cv2.imread('cigar.png', -1)

mus_ori = cv2.imread('mustache.png', -1)

# Camera Init

cap = cv2.VideoCapture(0)

cap.set(cv2.CAP_PROP_FPS, 30)

def transparentOverlay(src, overlay, pos=(0, 0), scale=1):

    overlay = cv2.resize(overlay, (0, 0), fx=scale, fy=scale)

    h, w, _ = overlay.shape  # Size of foreground

    rows, cols, _ = src.shape  # Size of background Image

    y, x = pos[0], pos[1]  # Position of foreground/overlay image

    for i in range(h):

        for j in range(w):

            if x + i >= rows or y + j >= cols:

                continue

            alpha = float(overlay[i][j][3] / 255.0)  # read the alpha channel

            src[x + i][y + j] = alpha * overlay[i][j][:3] + (1 - alpha) * src[x + i]

[y + j]

    return src

while 1:

    ret, img = cap.read()

    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)

    faces = face_cascade.detectMultiScale(img, 1.2, 5, 0, (120, 120), (350, 350))

   

    for (x, y, w, h) in faces:

        if h > 0 and w > 0:

            glass_symin = int(y + 1.5 * h / 5)

            glass_symax = int(y + 2.5 * h / 5)

            sh_glass = glass_symax - glass_symin

            cigar_symin = int(y + 4 * h / 6)

            cigar_symax = int(y + 5.5 * h / 6)

            sh_cigar = cigar_symax - cigar_symin

            mus_symin = int(y + 3.5 * h / 6)

            mus_symax = int(y + 5 * h / 6)

            sh_mus = mus_symax - mus_symin

            face_glass_roi_color = img[glass_symin:glass_symax, x:x + w]

            face_cigar_roi_color = img[cigar_symin:cigar_symax, x:x + w]

            face_mus_roi_color = img[mus_symin:mus_symax, x:x + w]

            specs = cv2.resize(specs_ori, (w, sh_glass), interpolation=cv2.

INTER_CUBIC)

            cigar = cv2.resize(cigar_ori, (w, sh_cigar), interpolation=cv2.

INTER_CUBIC)

            mustache = cv2.resize(mus_ori, (w, sh_mus), interpolation=cv2.

INTER_CUBIC)

            transparentOverlay(face_glass_roi_color, specs)

            transparentOverlay(face_cigar_roi_color, cigar, (int(w / 2),

int(sh_cigar/ 2)))

            # transparentOverlay(face_mus_roi_color, mustache)

    cv2.imshow('Thug Life', img)

    key = cv2.waitKey(1) & 0xFF

    if key == ord("q"):

        break

    k = cv2.waitKey(30) & 0xff

    if k == 27:

        cv2.imwrite('img.jpg', img)

        break

cap.release()

cv2.destroyAllWindows()

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