zuiwin2 | ETHGas ⛽

Alright… this is it. Final Human CAPTCHA challenge 👉👉 We saved the best for last. There are 3 images. Only ONE is AI-generated. Your job is to tell us if it's the one on the Left, Middle, or Right. Submit your guesses by Sat, Feb 28 at 11:59pm UTC. As usual we'll be revealing the answers on Sunday! If you got 3+ right, we’ll share how to claim your reward next week.

@PerleLabs Middle The way light interacts with the tower’s surface is too smooth and lacks the complex shadows and highlights that would be present in a real-world photograph taken under natural conditions.

It's the final week of Human CAPTCHA: Round 7 You made it this far… but we’re not going easy on you. One of these is a real photograph of a hot air balloon, the rest is AI-generated. Can you tell which one it is? Respond with Left, Middle, or Right and tell us why below! Submissions close Sat, Feb 28 at 11:59pm UTC. Answers revealed Sunday.

@PerleLabs Left The left image features a natural, gradient sky with soft, wispy clouds and a clear horizon line over a distant landscape. The middle and right images have overly dramatic, stylized skies with clouds that look unnaturally shaped and placed.

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@AbstractChain ✳️

Perle Human CAPTCHA #6 🏎️ One of these sports car photos is real. The other was generated by AI. Comment “left” or “right” with your guess, and tell us why 👀 Submissions close Sat, Feb 21 at 11:59pm UTC. Answers revealed Sunday.

@PerleLabs Right The right image shows a real-world context: the building's architectural details, the texture of the pavement, and the car's reflections in the windows are all consistent and believable, which is characteristic of a genuine photograph.

Perle Human CAPTCHA #5 📸 Let’s keep your captcha streaks alive. One of these vacation photos is real, and one was generated by AI. Which one is real? Reply "left" or "right" and explain why ↓ This week's submissions close Sat, Feb 21th at 11:59pm UTC. Both answers will be revealed on Sunday.

@PerleLabs Right The water reflection in the left image is overly clear, and there are some unnatural aspects in the perspective and proportions of the buildings, which are common characteristics of AI-generated images.

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@tokenlon 祝大家马年行大运，马到成功，马上赚钱！ 🐎

Perle Human CAPTCHA #4 It's time to put your human judgement to the test again. One of these images of a tiger is a real photograph, one was generated by AI. Which one is real? Reply "left" or "right" and tell us why ↓ This week's submissions close Sat, Feb 14th at 11:59pm UTC. Both answers will be revealed on Sunday 👀

@PerleLabs Right The right image has natural light filtering through the forest, creating realistic shadows and depth with accurate perspective.

@Backpack_CN Backpack nice

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@OneKeyCN 极致透明，表里如一

Perle Human CAPTCHA #3 📷 One of these images of fruit is a real photograph, one was generated by AI. Which one is real? Reply "left" or "right" and why 👇 You have until Sat, Feb 14th at 11:59pm UTC. This week's answers will be revealed on Sunday.

@PerleLabs Right Orange photo- Likely real photo.