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Whāinga ako: Lesson Goals
Whāinga ako: Lesson Goals
To understand and differentiate real video and deepfake
Mahi - Work
Mahi - Work
A deepfake is an image, video or audio recording that has been digitally altered to realistically show something that never actually happened. It can be very hard to tell a deepfake from reality.
The rise of deepfakes, videos made with AI to falsely show people saying or doing things, has raised concerns about spreading misinformation and harming reputations. What do you notice about this video that gives it away?
How are deepfakes made?
How are deepfakes made?
A deepfake is created using a specialised AI technology called deep learning, a subset of machine learning. In deep learning, a computer trains itself to mimic human thinking by analysing large datasets.
By using thousands of photos of the same person, a deep learning application can learn to recognise their facial features to create a digital 'mask' of their face. This 'mask' can then be mapped onto another image to produce a deepfake.
Deepfakes are not illegal to create, but they can break other laws. It is a crime to use someone’s image without permission. Some deepfakes might also violate copyright rules if they use copyrighted images without consent.
How do you spot a deepfake?
How do you spot a deepfake?
Are the shadows in the wrong place?
Does the skin look uneven or too smooth?
Do the hair and teeth look real?
Does the person's facial expression match what they are saying?
Are the movements jerky or strange?
If you answer "yes" to any of these questions, the image or video might be a deepfake.
Look what happened if you pause the video and look closely at the skin and hair texture...
A good tip is to do this with videos that might be AI. Things that may be moving fast etc might be far more obviously AI when frozen - e.g. a cat with 5 legs...
When does this become a problem?
When does this become a problem?
In Aotearoa last year there was a rise in scams fooling people into buying products. One in particular was a "keto weight loss gummy", claiming to help people shed a lot of weight. The company selling these lollies used multiple peoples faces, including Oprah Winfrey and New Zealand's own Hilary Barry.
The video with Hilary has now been removed from the internet but was very believable. Her voice was the same, and it was very smooth (no obvious glitches). One Wairarapa woman got sucked in because Hilary Barry is a public figure that is 'trusted' by many New Zealanders. The woman thought it was a great deal $70 for 3 bottles of gummies and the promise of 2 free bottles for being a first time buyer.
She paid by credit card and said that as soon as the payment went through she clicked that it sounded fishy- she hadn't heard that Hilary had met Oprah, surely that would have been in the media, she also couldn't remember Hilary being as large as some of the 'before' photos showed.
When she checked, $340 had been taken from her account. She never saw the product that had been promised to her.
What steps could this woman have taken before making a payment?
What makes this such an effective scam?
Spotting an AI made image
Spotting an AI made image
These sorts of images are common on social media to gain likes or to sell a product to someone. They try to appeal to a person's sense of loyalty and empathy.
Have a look at the word on his cap.. what does it say? What are those letters?!
What is happening with the logo on his hat?
What do you notice about the light on his skin? The texture of his skin?
What has happened to the flag in the background?
Below:
Why are they on a busy road?!
How many fingers and feet should a person have?
See what else you can notice...
Have some fun!
Have some fun!
See if you can create a believable image using prompts (the more detailed your prompt the better the image).
Your brief is to create an image for one of these articles:
Girl believed to be the reincarnation of Vincent van Gogh
Sharks from Atlantic Ocean test positive for cocaine
Runaway horses gallop through central Christchurch, blazing a path of mayhem and injuries
Six-acre private beach and 15 ghosts, for sale.
Use this website to prompt an AI to make an image https://deepai.org/
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