I need detailed information about ACQUIRE Algorithm used for graphical target detection, which is a solution for the line of sight problem.

Here is the basic algorithm.

FBA (Framebuffer Based ACQUIRE) Algorithm

1. Move camera to agent's eye point

2. Render frame

3. Set target agent to false color (e.g. pure red)

4. Render frame again

5. Segment natural color frame into the figure and its surrounding pixels, the ground

6. Compute figure and ground brightness values

7. Compute detection probability via ACQUIRE

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