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YouTube's improved Blur Faces tool launches

Martin Brinkmann
Aug 21, 2017
Updated • Feb 25, 2018
Music and Video, Youtube
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Ryan Stevens, Software Engineer at YouTube, announced today that YouTube has updated the service's Blur Faces tool to improve its accuracy and ease of use.

YouTube introduced a face blurring tool back in 2012 as a feature to anonymize faces in videos. The feature blurred all faces that the algorithm detected automatically which limited the use of the feature significantly.

The Blur Faces tool was improved in February 2016. The new version of the tool supported the blurring of any object in videos, even if they moved around.

The August 2017 update to the Blur Faces tool improves it even further. When you open the tool now on YouTube, you get a list of faces that Google's algorithm detected in the video.

All you need to do at this point is to select the faces that you want to appear blurred in the video. YouTube's algorithm is capable of recognizing the same person across the video according to Google.

The tool is designed for a wide array of situations that we see in YouTube videos, including users wearing glasses, occlusion (the face being blocked, for example, by a hand), and people leaving the video and coming back later.

YouTube editors can access the feature in the following way:

  1. Open the Creator Studio on YouTube, and there the video manager.
  2. Select to edit the video that you want to blur faces in.
  3. Switch to the Enhancements tab.
  4. Locate and select the "blurring effects" sub-tab on the page that opens.
  5. Select the edit button next to blur faces.

Note that YouTube may need to process the video for the feature. This processing may take a while to complete. Google's algorithm scans the video for faces during the processing basically.

During processing, we break your video up into chunks of frames, and start detecting faces on each frame individually. We use a high-quality face detection model to increase our accuracy, and at the same time, we look for scene changes and compute motion vectors throughout the video which we will use later.#

Once we’ve detected the faces in each frame of your video, we start matching face detections within a single scene of the video, relying on both the visual characteristics of the face as well as the face’s motion.

You may exit the page and do something else on YouTube until the processing is done.

YouTube lists the faces that the scan detected afterwards. You may then blur one, multiple or all faces in the video. The video is embedded on the same page so that you can play it to test the effectiveness of the procedure right away.

Hit the save button once you are done. Ryan Stevens notes that videos won't lose views, likes or comments when you apply blur to faces and use the save option.

Note that you need to use "save as new" and delete the original video if you want to remove the original video from YouTube.

Stevens suggests that editors preview the video before they publish it with the blurred faces, and that editors use the custom blurring feature to correct any issues that may come up.

Summary
YouTube's improved Blur Faces tool launches
Article Name
YouTube's improved Blur Faces tool launches
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Ryan Stevens, Software Engineer at YouTube, announced today that YouTube has updated the service's Blur Faces tool to improve its accuracy and ease of use.
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Ghacks Technology News
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Comments

  1. Joep van Steen said on January 20, 2019 at 2:08 pm
    Reply

    Okay .. well didn’t work for me at all. It missed faces, and on top of that it made the entire video a blur.

  2. TelV said on August 22, 2017 at 6:56 pm
    Reply

    Out of pure curiosity, I applied the face blurring technique to one of my videos on YT and it works perfectly and is also relatively fast. But as mentioned above, it seems pointless if they’re going to remove the editor in a month’s time.

  3. TelV said on August 22, 2017 at 6:36 pm
    Reply

    To my way of thinking it seems pointless to introduce this tool now considering that Google has already announced its intention to remove the video editor from Youtube on September 20 (unless its had a change of heart).

    The good news is that Shotcut which Martin suggested as a replacement for the YT editor can handle blurring of certain parts of a video such as faces. Here’s one of the tutorials on the subject: https://youtu.be/VErftj1fUHs

    Shotcut is open source and therefore completely free, doesn’t contain ads or watermarks and can be downloaded from https://www.shotcut.org/ I’ve been using it myself over the past couple of days :)

  4. CHEF-KOCH said on August 21, 2017 at 9:10 pm
    Reply

    I wonder no one noticed it (except me) that YouTube was the first page on internet which used HTTP2 +QUIC protocol which loads the page lots of faster. Besides the protocol changes YouTube now announce more changes more often, they gonna drop the video editor, they change the mobile app. I’m not saying it’s a bad thing but according to other platforms they really working hard on it. Also fun fact, compared to other pages YouTube has less ads services integrated which is a surprise too.

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