ControlRef adds a layout attention mask and bounding-box-anchored 4D rotary positions to FLUX.2 so reference images bind to their regions without full-canvas padding, cutting latency and memory.
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ControlRef: Efficient Layout-Guided Multi-Instance Generation via Anchored 4D-RoPE
ControlRef adds a layout attention mask and bounding-box-anchored 4D rotary positions to FLUX.2 so reference images bind to their regions without full-canvas padding, cutting latency and memory.