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Python 3 OpenCV Script to Animate Images With Slideshow & Random Transition Using Numpy Desktop App
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Jun 3, 2025
Get the full source code of application here: https://codingshiksha.com/python/python-3-opencv-script-to-animate-images-with-various-animations-using-numpy-gui-desktop-app/
View Video Transcript
0:00
uh hello guys uh welcome to this video
0:02
so in this video I will show you how to
0:04
animate a bunch of images which is
0:06
present inside a directory uh in Open CV
0:10
with multiple transition effects and
0:13
animations let me just launch the
0:15
application right here from the terminal
0:17
so you will see it's a simple Python
0:19
script which will animate all these
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images inside a window with the multiple
0:25
transition effects so let me just launch
0:28
this
0:30
application so now you can see that each
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image will appear for 3 seconds and then
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it will go away with uh random
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transition animation effects it's a
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slideshow you can see it will navigate
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to the next
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image so all these images which are
0:47
present right here in the directory one
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by one each image will appear and as you
0:52
can see you can build out this nice
0:54
little
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slideshow inside the open CV so then
0:59
automatically it will
1:00
close so all the script I have given in
1:03
the description of the video so for
1:05
building this you need quite a uh lot of
1:08
packages so first of all you just need
1:10
to install Open CV
1:14
so Open CV- Python this is the first
1:18
module that you need to
1:20
install secondly you also need the NumPy
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module as
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well so also install this as well i've
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already installed both these modules so
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now I will show you from scratch how to
1:35
build this
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so all the source code will be given in
1:41
the description of the video so first of
1:43
all just you need to require the
1:46
necessary packages so we will require
1:50
the open CV package and numpy 2 numpy
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package as well then we need the
1:59
operating system module the time module
2:02
and the random module as
2:04
well so these are built-in modules
2:08
and after that we need
2:10
to
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actually
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define inside the main
2:19
function so right here we will
2:23
simply define a set of
2:25
animations or transition effects that
2:28
will be applied
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automatically whenever we will be making
2:33
so with first will be horizontal scroll
2:36
second will be vertical
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scroll then we'll be also be rotating
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the
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image zooming in so these are random
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animation effects that will be applied
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fading image so we have just defined it
2:51
inside this array of animations then we
2:54
just need to get the image files which
2:57
are present so for this I will just
2:59
write a simple function get image files
3:02
so all my image files as you can see it
3:04
is present in the home directory so you
3:08
can just pass the directory where all
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your images are present after that I
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just need to define this function here
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which is get image
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files it will essentially go to this
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directory and return all the images
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which are supported extensions jpg png
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bmp jpg so once you get all your image
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files you can simply loop through like
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this and for each image we can read this
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image by the open CV method image read
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after reading it we
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will basically apply the
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animation using the random module so we
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are applying the random animation using
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that animations array I is equal to zero
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and we'll be applying the starting
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time time dot time and inside this uh
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while
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loop we will just increment the value of
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i by one so after each image I will
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increment the value of i and then we
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will apply this
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animation
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it image
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I each frame so after this we will show
4:30
this image inside the window by this
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image show method so this will be a sim
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title of the window will be image
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slideshow and the frame will be shown so
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then we will wait for certain amount of
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time here so this is set to
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10 so here we are waiting for each
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image and then we are navigating to the
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next image so here we are binding
5:02
some shortcuts so if you press the Q
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keyboard Q key on the keyboard your
5:07
application will close and then we are
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showing the animation for 3 seconds and
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then we are breaking to the next
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image so you can see we are showing the
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animation for 3 seconds and then we are
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breaking
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it so then we are destroying all the
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windows coming out of this
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loop so that's all that is needed for
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this application so now we just need to
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define all these five animations that we
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have defined here which is horizontal
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scroll vertical scroll rotate image
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these are all the five functions i have
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given all the source code in the
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description of the video
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so so these are all the five functions
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which are there so I will just define
6:00
this and explain you what is happening
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so we are just applying the OpenCV
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animations all these animations and
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effects are supported by Open CV so you
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can see zooming in rotating this image
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like this vertical scroll horizontal
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scroll all that
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stuff
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so this is essentially this if you you
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will see it is saying on line number 49
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image is not defined
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so this will be
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image files
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sorry so now you can see it is appearing
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it for 2 seconds and then it's
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navigating to the next image with all
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these cool little transition and
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animating effects right
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here it is also rotating fading zooming
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in on a particular image so you can do
7:00
this very easily inside OpenCV and numpy
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so all the source code is given in the
7:04
description of the video uh thank you
7:07
very much for watching this video and
7:09
also check out my website
7:11
freemediatools.com
7:13
uh which contains thousands of tools
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