## DenseDPO: Fine-Grained Temporal

## Preference Optimization for Video Diffusion Models

#### NeurIPS 2025 Anonymous Submission

## Qualitative Results

We show text prompts and generated videos from the pre-trained, Supervised Fine-Tuned (SFT), VanillaDPO, StructuralDPO, and our DenseDPO aligned models.
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- Pre-trained model often generates deformed limbs and objects.
- SFT leads to almost no change in the results.
- VanillaDPO reduces distortions, but with significantly lower dynamics.
- StructuralDPO improves the dynamics, but degrades the visual quality and reintroduces some artifacts.
- Our DenseDPO model generates high-quality videos with correct object dynamics and realistic details.

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Caption | Pre-trained | SFT | VanillaDPO | StructuralDPO | DenseDPO (Ours)
--- | --- | --- | --- | --- | ---

A young woman dances in the night bustle against the backdrop of a glowing fanfare.

In a studio, a popping dancer creates precise isolation movements.

A woman doing push-up exercise.

A young adult male doing a handstand on the beach.

A weightlifter performs a deadlift with perfect form in a concrete garage gym.

A man exercising with battle ropes at a gym.

At the edge of a roaring waterfall, a boxer practices jabs and hooks on a punching bag, sweat dripping as he refines his technique.

A woman dancing in a gym. The woman is spinning around repeatedly.

A man doing push-ups on a ledge overlooking a body of water. The man appears to be doing a push-up, with his head down.

A woman doing push-up exercise on a beach at sunset.

A panda breakdancing in a neon-lit urban alley.

A monkey performs a jump on a skateboard at the skate park, landing smoothly.

A giraffe stepping gingerly along a tightrope above a city plaza, drawing gasps from the crowd below.

Fingers press into a shimmering slime ball.

Close-up of a sushi chef slicing sashimi with deliberate, smooth movements.

A slow-motion close-up of a chef slicing a tomato.

An arc shot captures a figure skater gliding gracefully across the ice in slow motion.

A dancer twirls gracefully on a confetti-strewn stage as the sun sets.

A skateboarder performs jumps.

On a rainy rooftop, a pair of hip-hop dancers lock and pop in perfect sync.

A woman transitions gracefully on an aerial hoop under golden hour light.

A woman doing a headstand on the beach.

A snowboarder navigates a snow-covered mountain trail, dodging tall pine trees. They leap off a small hill, executing a mid-air spin before landing gracefully and continuing their descent.

A vase smashing on a wooden floor in a quiet antique shop.

On the deck of a drifting ship, two robots are performing push-ups.

Two otters hold hands as they spin in a playful circle on a calm river surface.

A person jogs along a city waterfront.

A goat balancing on a spinning ball on a mountaintop.

Water poured into a glass.

A woman engaging in a challenging workout routine, performing pull-ups on green bars.

A goat balancing on a large circus ball.

A bear wobbling slightly as it rides a bicycle down a forest trail, its paws gripping the seat for balance.

A raccoon rollerblading in a skate park, performing small jumps off the ramps.

A man enjoying a leisurely bike ride along a road next to a body of water during a sunset.

A penguin slides down a snowy hill on its belly, cheering with tiny flippers in the air.

A raccoon riding a massive wave with style.

Slow motion of a water drop crown formation.