Research Article

Enhancing User Experiences of Mobile-Based Augmented Reality via Spatial Augmented Reality: Designs and Architectures of Projector-Camera Devices

Table 5

Evaluation results from the third step of interview. Rating of 5 means that this attribute is very high in our proposal, whereas rating of 1 means that this attribute is very low in our proposal.

No. AttributeExpertRatingOpinion

(1)NoveltyE13-
E24Similar to Kinect sensor in some aspects, but in terms of a completed
projector-camera device, the proposed design sounds novel.
E34-

(2)PracticalityE13It is still uncertain whether the proposed design will or will not work as expected.
E24-
E34Seem practical for solving the crosstalk problem in visual scene analysis regarding
projector-based AR.

(3)Help improve mobile ARE12, 42 if users need to carry a separated device. 4 if it is a feature embedded in a mobile
user experiencesphone.
E23-
E34It is another alternative for experiencing AR. The more the alternatives, the better
for users.

(4)Difficulty regardingE1-No evaluation as the expert was not familiar with hardware and optic
actual implementationimplementation regarding projector and camera.
E25-
E34-

(5)Possibility inE14If it is really practical and robust, this new technology should have good potential in
commercial marketscommercial markets.
E22At completion, the proposed device may be too expensive and only affordable by
a limited group of people.
E32Currently the proposed design still lacks concrete usage scenarios for nontechnical
end users.