PreView improves GUI grounding via local views and cues
October 23, 2026
PreView is a lightweight auxiliary preprocessor that enhances GUI grounding without retraining the base model. It uses task-relevant crops and visual cues, like red-circle markers, to help models locate small controls in cluttered screenshots.
HOW THIS AFFECTS YOU
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builderYou can improve the accuracy of your GUI agents by adding a preprocessing step rather than retraining expensive models.