There are situations where you do not want to use the automatic video editing features of my.tikee.io web app. For example, you weren’t able to upload all your photos as and when the timelapse was running and then you get too much data to upload at once. Or maybe you want to change the colorimetry for a more personal rendering, or any other modification of the images using a third-part software.
In these situations, you then have a large series of photos that you would like to transform into a video. In this article you will find the necessary steps to do it.
Download a Tikee images sequence
All images of your projects on my.tikee.io are downloadable from the project ‘Extras’ screen by clicking on ‘Export subset’.
After a few minutes, you will receive an email with a download link of one (or more – depending on the size of the project) archive.
Once extracted, your images are then named according to the capture date:
The advantage of going through this step is that you can benefit from our image selection filters to download only the periods you want.[/vc_column_text]
For next steps, it is important that the images remain sorted in the chronological order of capture. Make sure you do so if you need to rename the files.
Whenever possible, when editing images, you should make sure to keep the original meta-data (EXIF) of images, or at least the ‘DateTimeOriginal’ field that contains the time of capture of the photo (UTC format).
If the naming of your image sequence does not allow them to be ordered in chronological order, some free softwares can rename series of image files according to the capture data. Here are some examples: Antrenamer (Windows) or pyrenamer (Linux) or ExifRenamer (macOS).
Assembling videos with a software
There is a wide variety of video assembly softwares but the purpose of this article is not to make it an exhaustive review. Most of it offer to import an images sequence by selecting the first file of the sequence and guessing the others (hence the importance of the nommage of the files detailed in the previous chapter).
We’ll study three of them in this article:
FFmpeg: a free command line program that works on all platforms.
Adobe PremierePro cc: a standard (but paid) video editing solution.
Quicktimepro or iMovie: for MacOS – paid.
This free tool is available on https://ffmpeg.org/. It works on any platform (Windows, Linux, macOS) and allows encoding, video format conversion, media assembly, etc. All through a very powerful command-line interface. Follow the standard installation instructions.
To create a video from an image sequence, we need an image sequence in a separate folder, named with numbers.
frame_0001.jpg, frame_0002.jpg,… frame_1289.jpg, etc.
000001.jpg, 000002.jpg,… 001289.jpg, etc.
Note that the numbers are written with so-called 0-padding: in this way the alphabetical order is the same as the numerical order. Otherwise ‘10.jpg’ would be filed before ‘3.jpg’.
Refer to the previous chapter to rename a series of files.
In the sequel, we will use the following sequence:
You then have to open a command prompt in the desired folder (a Terminal on Linux and OsX, run PowerShell on Windows) and enter the following command: