Estimate target location from blobs

Signed-off-by: milind-u <milind.upadhyay@gmail.com>
Change-Id: Ib9bfe0dc494b1581236d1f3f57bc65c6687981e5
diff --git a/y2022/vision/target_estimate.fbs b/y2022/vision/target_estimate.fbs
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+namespace y2022.vision;
+
+// Contains the information the EKF wants from blobs from a single image.
+table TargetEstimate {
+  // Horizontal distance from the camera to the center of the upper hub
+  distance:double (id: 0);
+  // Angle from the camera to the target (horizontal angle in rad).
+  // Positive means right of center, negative means left.
+  angle_to_target:double (id: 1);
+
+  // TODO(milind): add confidence and blob stats
+}