PredErase: Training-Free Object-and-Effect Removal with Predictive Latent Guidance

📅 2026-09-01
📈 Citations: 0
✨ Influential: 0
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🤖 AI Summary
本文提出PredErase,一种无需训练的方法,通过预测性潜在引导解决物体及其影响移除问题,改进了现有冻结模型在物体移除时的不足。
📝 Abstract
Removing an object is not the same as filling its mask. Cast shadows and contact shading usually lie outside the user-provided instance mask M_obj, so a frozen Fill model that edits only that mask leaves the object's photometric footprint on nearby surfaces. Supervised removers learn this joint erasure from paired clean plates. Training-free editors freeze pretrained weights, yet most still treat M_obj as the entire editable support and steer sampling with CLIP or DINO energies that do not predict the occluded scene. We present PredErase, a training-free inference procedure on frozen FLUX.2 and I-JEPA. The method separates where Fill may rewrite pixels from what structure should occupy the hole. A contact-band expansion M_flux of M_obj exposes local residuals on the supporting plane. I-JEPA, pretrained for masked token prediction, supplies a context-conditioned hole target in representation space; sparse projected gradients align decoded Fill completions with that target inside the instance, while coordinates outside the packed support stay locked. Under instance-only masks on RemovalBench, RORD-Val, and DEFACTO-Val, PredErase improves the native FLUX.2 backbone. Supervised removers remain stronger on several full-image appearance metrics; the supported claim is training-free object-and-effect editing of frozen Fill, not replacement of paired-data erasers.
Problem

Research questions and friction points this paper is trying to address.

object removal
shadow removal
contact shading
Innovation

Methods, ideas, or system contributions that make the work stand out.

training-free
latent guidance
predictive filling
object-and-effect removal
frozen models
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