# ViPerID: Video Personalization via Disentangled Identity Learning

## Supplementary Material

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- Teaser video
- More showcases of ViPerID
- Comparisons with baseline methods
- Ablation study

## Teaser video

Reference ID Image | ViPerID Generated Video (Hover to see text prompts) | ViPerID Generated Video (Hover to see text prompts)
--- | --- | ---
| A man with a Viper tattoo on his face, standing in a dramatic lighting environment, delivering a passionate speech. As he delivers a passionate speech, his hand gestures emphasize the intensity of his words, his body moving with energy and purpose. The tattoo, symbolizing strength and aggression, contrasts with the soft, focused lighting that highlights the sharp contours of his face. The camera moves around him, capturing the raw energy in the scene, as a subtle breeze stirs the air. | A man sitting at a desk in front of a large screen displaying an American flag, wearing a plaid shirt and appears to be delivering a news report. He speaks with authority, gesturing with his hands as he talks, set in a newsroom or studio environment. The lights above him cast a professional glow, creating an atmosphere of urgency and clarity in the broadcast, while the screen behind him highlights the patriotic symbol.
| A woman with a scarf, exudes warmth with a cheerful smile, as she playfully toss a handful of snow into the crisp winter air. The soft glow of the setting sun casts long shadows across the snowy landscape, creating an enchanting atmosphere that highlights her joyful demeanor. | A woman dressed in a stylish trench coat, smiling at the camera on a rainy day. A woman, elegantly attired in a stylish trench coat, stands under the soft patter of rain, smiling warmly at the camera. her expression radiates genuine warmth as she playfully twirl a sleek umbrella, its canopy casting fleeting shadows on the wet pavement. The soft, diffused light of the overcast sky enhances the tranquil atmosphere, highlighting her serene demeanor on ther drizzly day. Raindrops tap rhythmically on the umbrella, adding a gentle melody to the peaceful scene.
| A woman, wearing a vibrant hiking outfit, stands confidently with a mountain range in the background, gazing directly at the camera. Sunlight casts dynamic shadows across the rugged terrain, highlighting the subject's determined expression. A gentle breeze tousles her hair as an eagle soars overhead, adding a sense of adventure to the scene. | A woman holding a bouquet of flowers, posing in a garden. A serene woman lovingly cradles a vibrant bouquet of flowers, her delicate petals catching the soft morning light, as she strike a graceful pose amidst the lush greenery of a blooming garden, where a gentle breeze animates the blossoms around her and plays with the dappled shadows cast by the towering trees.

## Showcases produced by ViPerID

## Comparisons with baseline methods

A woman smiling warmly at the camera with a cityscape in the background. A woman with a genuine smile tilts her head slightly toward the camera, her eyes reflecting the soft glow of the golden hour as the urban skyline forms a majestic backdrop; in a moment of spontaneity, a gentle breeze tousles her hair, adding a sense of vibrant energy to the serene atmosphere.
ID Reference | ID-Animator
ConsisID | ViPerID (Ours)
A man smiling softly, looking down with a gentle expression, softly gazes downward as he delicately hold a blooming flower in his hands, standing amidst a sun-dappled garden. The warm light casts soft shadows across his face, enhancing the calm and peaceful atmosphere while a gentle breeze rustles the leaves around him.
ID Reference | ID-Animator
ConsisID | ViPerID (Ours)
A man smiling softly, looking down with a gentle expression, softly gazes downward as he delicately hold a blooming flower in his hands, standing amidst a sun-dappled garden. The warm light casts soft shadows across his face, enhancing the calm and peaceful atmosphere while a gentle breeze rustles the leaves around him.
ID Reference | ID-Animator
ConsisID | ViPerID (Ours)
A man sitting at an office desk, dressed in a formal suit, focused on his computer screen. The man sitting at an office desk, dressed in a formal suit, is focused on his computer screen. Shelves filled with binders line the background, while he holds a red cup, sipping from it before setting it down on the desk. Afterward, he proceeds to type on the keyboard, his movements purposeful and efficient, as he works through his tasks in a professional office environment.
ID Reference | ID-Animator
ConsisID | ViPerID (Ours)

## Applications

Personalized Videos with Style-Specific Prompts

Reference ID Image | Stylized video result (Hover to see text prompts) | Stylized video result (Hover to see text prompts)
--- | --- | ---
| A woman police officer talking on the radio in low poly 3D, geometric reduction, faceted style. The woman, a female police officer, maintains a firm and focused posture, her presence sculpted through crisp low-poly geometry. Her uniform, carefully faceted, captures the essential details in a minimalist yet recognizable form. As she speaks into the radio, angular highlights emphasize her composed expression, conveying a sense of urgency and duty. The surrounding environment, simplified into geometric shapes, enhances the stylized aesthetic, blending realism with a distinct digital artistry. | A woman looking around in electronic glitch art, neon, cyberpunk aesthetic style. The woman, a young woman, moves through a neon-lit cyberpunk city, her figure briefly fragmenting into digital glitches as she looks around. Holographic advertisements flicker above her, casting an eerie glow on her face, while neon signs in unknown languages pulse rhythmically. Her sleek cybernetic enhancements subtly shimmer under the electric haze, and the ambient hum of distant machinery fills the air. Each time she shifts her gaze, the scene distorts momentarily, as if reality itself is a fragile digital construct on the verge of collapse.
| A minimalist sketch of a man holding a flower with a warm expression. A minimalist sketch captures a serene man with gentle eyes and a warm smile, delicately grasping a single blooming flower. Set against a softly lit background, the scene unfolds with an interplay of gentle shadows that highlight the man's serene expression. In the tranquil atmosphere, a gentle breeze seems to lift strands of his hair, adding a sense of motion and life to the sketch. | A watercolor portrait of a man surrounded by nature. A watercolor portrait of a man captured mid-laughter as he stand surrounded by a lush garden, the sunlight filtering through the leaves creating patterns of light and shadow on his face, with a gentle breeze rustling the nearby foliage, infusing the scene with a sense of vibrancy and life.
| A man washing the dishes in low poly 3D, geometric reduction, faceted style. The man, is positioned at the sink, his figure sculpted from angular polygons in a striking low-poly 3D design. His movements are expressed through bold geometric reductions, each gesture forming a sequence of crisp, faceted shapes. The dishes he cleans gleam with smooth, simplified reflections, while water splashes in carefully structured polygonal arcs. The background, composed of minimalist kitchen elements, complements the overall abstract yet recognizable aesthetic, evoking a futuristic, stylized world. | A man filling eyebrows in pixel art, 8-bit graphics, retro gaming style. The man depicted in classic 8-bit pixel art style, sits in front of a small mirror, carefully filling in her eyebrows with a precise motion. His pixelated reflection captures the focused expression on his face, while simple, blocky shading emphasizes the contours of his features. The retro gaming aesthetic is reinforced by a limited but vibrant color palette, evoking the nostalgic charm of old-school video games. The background features a pixelated vanity with beauty products arranged neatly, adding to the cozy, vintage atmosphere of the scene.

Multi-shot Video Generation with One Character

A man with black shoulder-length hair wearing a beige knit sweater: captured from a close-up perspective... captured from a mid-range shot... captured from a side profile view... captured from an over-the-shoulder perspective... captured from a full-body perspective...
ID Reference | Shot 1 | Shot 2
Shot 3 | Shot 4 | Shot 5

A serene woman with delicate features wearing a flowing white blouse: intensely focused on her task at a wooden table... stands at her wooden workbench... her hands skillfully chiseling details into the wood... measuring and cutting wood with precise movements... is seen in a spacious workshop, surrounded by wooden furniture...
ID Reference | Shot 1 | Shot 2
Shot 3 | Shot 4 | Shot 5

## Ablation study

A woman playing guitar, with a focused yet blissful expression, deftly strums the guitar strings.
Seated on a cozy wooden bench beneath the dappled sunlight filtering through a leafy canopy.
The warm glow sun casts gentle shadows across the scene, occasionally drawing a smile from the woman with the song's tempo.

PIM (parallel ID injection module) Ablations: Case One

ID Reference | w/o VisualCA | w/o TextCA | Full Model

PIM (parallel ID injection module) Ablations: Case Two

ID Reference | w/o Content-Preserving Loss | w/o ID-Preserving Reward Loss | Full Model