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Follow-Your-Color: Multi-Instance Sketch Colorization

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arxiv 2503.16948 v2 pith:S4A4TYDY submitted 2025-03-21 cs.CV

classification cs.CV
keywords multi-instancecolorizationcolorfollow-your-colorinstancelineprocesssketch
verification ladder T0 review T1 audit T2 compute T3 formal
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We present Follow-Your-Color, a diffusion-based framework for multi-instance sketch colorization. The production of multi-instance 2D line art colorization adheres to an industry-standard workflow, which consists of three crucial stages: the design of line art characters, the coloring of individual objects, and the refinement process. The artists are required to repeat the process of coloring each instance one by one, which is inaccurate and inefficient. Meanwhile, current generative methods fail to solve this task due to the challenge of multi-instance pair data collection. To tackle these challenges, we incorporate three technical designs to ensure precise character detail transcription and achieve multi-instance sketch colorization in a single forward pass. Specifically, we first propose the self-play training strategy to address the lack of training data. Then we introduce an instance guider to feed the color of the instance. To achieve accurate color matching, we present fine-grained color matching with edge loss to enhance visual quality. Equipped with the proposed modules, Follow-Your-Color enables automatically transforming sketches into vividly-colored images with accurate consistency and multi-instance control. Experiments on our collected datasets show that our model outperforms existing methods regarding chromatic precision. Specifically, our model critically automates the colorization process with zero manual adjustments, so novice users can produce stylistically consistent artwork by providing reference instances and the original line art. Our code and additional details are available at https://yinhan-zhang.github.io/color.

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Forward citations

Cited by 7 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. PeCA: Palette Context Assisted Inference for Test-Time Paint-Bucket Colourisation on Animation Videos

    cs.CV 2026-08 conditional novelty 6.0 of 10

    A training-free inference framework combining target-aware reference expansion, soft top-k palette voting, and cycle-gated temporal fusion improves segment-matching colourisation on animation videos.

  2. MagicAnime: A Hierarchically Annotated, Multimodal and Multitasking Dataset with Benchmarks for Cartoon Animation Generation

    cs.CV 2025-07 conditional novelty 6.0 of 10

    MagicAnime is a 400k-clip multimodal cartoon dataset with hierarchical annotations and benchmarks for image-to-video, pose-driven, face reenactment, and audio-driven animation generation.

  3. LongAnimation: Long Animation Generation with Dynamic Global-Local Memory

    cs.CV 2025-07 conditional novelty 6.0 of 10

    LongAnimation uses a dynamic global-local memory, built from a long-video-understanding model's KV cache, to colorize animation sequences of about 500 frames with stable color consistency.

  4. SketchColour: Channel Concat Guided DiT-based Sketch-to-Colour Pipeline for 2D Animation

    cs.CV 2025-07 conditional novelty 6.0 of 10

    SketchColour colors animation sketches from a single colored first frame by replacing the U-Net with a Diffusion Transformer, using channel-concat conditioning and LoRA fine-tuning.

  5. Follow-Your-Instruction: A Comprehensive MLLM Agent for World Data Synthesis

    cs.CV 2025-08 conditional novelty 5.0 of 10

    An MLLM-driven pipeline that composes 3D scenes from assets, optimizes them with multi-view VLM feedback, and renders videos, yielding synthetic data that modestly improves several 2D, 3D, and 4D generative baselines.

  6. Follow-Your-Creation: Empowering 4D Creation through Video Inpainting

    cs.CV 2025-06 conditional novelty 5.0 of 10

    Follow-Your-Creation fine-tunes the Wan2.1 video inpainting model on composite point-cloud and editing masks so a single monocular video can be converted into editable 4D video with new camera motion.

  7. SkipVAR: Accelerating Visual Autoregressive Modeling via Adaptive Frequency-Aware Skipping

    cs.CV 2025-06 conditional novelty 4.0 of 10

    SkipVAR selects, per sample, between step skipping and unconditional branch replacement using handcrafted frequency features and a trained logistic regression, to accelerate visual autoregressive generation.

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