Launchpad Presentation

add_subtitles.py

import cv2
from moviepy.video.compositing.CompositeVideoClip import CompositeVideoClip
from moviepy.video.VideoClip import ImageClip, TextClip

img = cv2.imread("input.png")
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)

vid = ImageClip(img)

frame_height = img.shape[0]
frame_width = img.shape[1]

font_size = int(frame_width * 0.15)
clip_size = (frame_width, frame_height)
words = [
    {"start": 1, "end": 1.5, "word": "Hello"},
    {"start": 1.5, "end": 2, "word": "World!"},
    {"start": 2, "end": 2.5, "word": "How"},
    {"start": 2.5, "end": 3, "word": "are"},
    {"start": 3, "end": 3.5, "word": "you?"},
]

text_clips = []
for word in words:
    text_clip = TextClip(
        word["word"], fontsize=font_size, color="yellow", size=clip_size, align="South"
    )
    text_clips.append(
        text_clip.set_start(word["start"]).set_duration(word["end"] - word["start"])
    )

final_video = CompositeVideoClip([vid] + text_clips).set_duration(4)
final_video.write_videofile("output.mp4", fps=25)

crop_image.py

import cv2

filename = "input.png"

image = cv2.imread(filename)

x1, x2 = 406, 982
image = image[:, x1:x2]

cv2.imshow(filename, image)
cv2.waitKey(0)
cv2.destroyAllWindows()

detect_faces.py

import cv2
from deepface import DeepFace

filename = "input.png"

image = cv2.imread(filename)

faces = DeepFace.extract_faces(
    image,
    detector_backend="ssd",
)

x, y, w, h = map(
    lambda _: faces[0]["facial_area"][_],
    ["x", "y", "w", "h"],
)

print(x, y, w, h)

read_and_show_image.py

import cv2

filename = "input.png"

image = cv2.imread(filename)

cv2.imshow(filename, image)

cv2.waitKey(0)
cv2.destroyAllWindows()

read_and_show_video.py

import cv2

filename = "input.mp4"

cap = cv2.VideoCapture(filename)


while True:
    _, frame = cap.read()

    cv2.imshow("Frame", frame)

    if cv2.waitKey(25) & 0xFF == ord("q"):
        break

cap.release()
cv2.destroyAllWindows()

show_bounding_box.py

import cv2

filename = "input.png"

image = cv2.imread(filename)

x, y, w, h = (621, 293, 147, 181)

cv2.rectangle(
    image,
    pt1=(x, y),
    pt2=(x + w, y + h),
    color=(0, 255, 0),
    thickness=2,
)

cv2.imshow(filename, image)

cv2.waitKey(0)
cv2.imwrite("output.png", image)
cv2.destroyAllWindows()