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4-manipulation/visuo-haptic-hand/1-introduction.tex

@@ -1,6 +1,9 @@
 \section{Introduction}
 \label{intro}
 
+\comans{SJ}{It is not entirely clear why this experiment is being conducted in an AR environment, considering both the purpose of the experiment and the
+controllability of the setup.}{TODO}
+
 Providing haptic feedback during free-hand manipulation in \AR is not a trivial issue, as wearing haptic devices on the hand might affect the tracking capabilities of the system \cite{pacchierotti2016hring}.
 Moreover, it is important to leave the user capable of interacting with both virtual and real objects, avoiding the use of haptic interfaces that cover the fingertips or palm.
 For this reason, it is often considered beneficial to move the point of application of the haptic feedback elsewhere on the hand (\secref[related_work]{vhar_haptics}).

4-manipulation/visuo-haptic-hand/5-conclusion.tex

@@ -11,6 +11,8 @@ However, the farthest positioning on the contralateral hand gave the best perfor
 The visual hand augmentation was perceived less necessary than the vibrotactile haptic feedback, but still provided a useful feedback on the hand tracking.
 This study provide evidence that moving away the feedback from the inside of the hand is a simple but promising approach for wearable haptics in \AR.
 
+\comans{SJ}{Again, it would strengthen the thesis if the authors provided a systematic guideline on how to choose the appropriate haptic feedback or visual augmentation depending on the specific requirements of an application.}{TODO}
+
 If integration with the hand tracking system allows it, and if the task requires it, a haptic ring worn on the middle or proximal phalanx seems preferable.
 However, a wrist-mounted haptic device will be able to provide richer feedback by embedding more diverse haptic actuators with larger bandwidths and maximum amplitudes, while being less obtrusive than a ring.
 Finally, we think that the visual hand augmentation complements the haptic contact rendering well by providing continuous feedback on the hand tracking, and that it can be disabled during the grasping phase to avoid redundancy with the haptic feedback of the contact with the virtual object.