1：Experimental Design and Method Selection:

The method involves using a coaxial projector-camera system (procam) to capture an image of real-world objects, apply a shift filter to blur all pixels except a specified region, and project the modified image back onto the objects. The rationale is to make non-target regions appear blurred, guiding gaze naturally.

2：Sample Selection and Data Sources:

12 noodle cups with different visual designs were used as real-world objects, arranged in a 3x4 grid. 12 subjects (10 males, 2 females, aged 21-27) were recruited, with corrected eyesight if necessary.

3：List of Experimental Equipment and Materials:

Acer H6510BD projector, FLIR Grasshopper

4：0 MP Color FireWire 1394b camera, Pupil gaze tracker, chin rest, desk, chair, and room lighting. Experimental Procedures and Operational Workflow:

Subjects viewed objects freely for 60 seconds without projection to familiarize themselves. Then, in 28 randomized trials (each 10 seconds), the shift filter was applied with varying parameters (0 to 9 pixels shift), including conditions where no, all, or specific objects were unshifted. Gaze was recorded using the eye tracker.

5：Data Analysis Methods:

Gaze data were analyzed using heat maps to visualize gaze positions and durations, assessing whether gaze was guided to the unshifted region.