日本大学経済学部コスモススキークラブ

@PerleLabs Middle The small shrubs near the tower’s base have natural growth patterns, not the cloned look of AI.

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 Left The reflection of light on the left balloon’s envelope is subtle and follows the curve of the fabric, a detail often missed in AI images.

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 tail of the left tiger hangs naturally with a slight curve, with fur that follows the tail’s shape in a biologically accurate way, unlike the stiff, perfectly positioned tail of the right tiger.

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 shadows cast by the background objects on the right are soft and consistent with the main light source.

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 AI The cloud formations are overly symmetrical, lacking the chaotic, organic shapes of real skies.

Perle Human CAPTCHA Round 2 ✌️ Was this landscape art created by a real artist, or AI generated? Reply with "Human" or "AI" and tell us why! Deadline is Sat, Feb 7th at 11:59pm UTC. This week's answers will be revealed on Sunday. PS: Use your own judgement and trust your instincts!

@PerleLabs H Distant street lights blur into natural orbs of light, no AI’s distorted, irregular bokeh shapes.

Perle Human CAPTCHA Round 1 Was this photo taken by a real person or generated by AI? 📸 Reply with a letter and tell us why: H = Human A = AI Deadline to submit is Sun, Feb 7th at 11:59pm UTC. It's go time 👇

Think you can outsmart AI? 😏 Perle's Human CAPTCHA is here. > Test your ability to detect AI-generated content > 2 questions every week > Get 3+ correct across 4 weeks to earn an exclusive badge The real AI challenge begins. First challenge below.

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