Modeling and Calibration of Active Thermal-Infrared Visual System for Industrial HMI

Round 1

Reviewer 1 Report

The paper has a significant novelty and well written. Therefore, I recommend to accept it as is.  

Author Response

Thank you for your review.

Reviewer 2 Report

In this paper, the authors propose a set of constraints and an algorithm that leverages classic computer vision to enable the calibration of thermal imaging cameras for high-precision industrial applications.

They compare their method to a traditional calibration method using checkerboard-like patterns and show better performance (IMPORTANT: the authors should come up with a comparison metric to facilitate this comparison. For example, average measurement error between methods and ground truth. Just saying that the accuracy is "much higher", as said in Line 310, is not enough).

The approach is interesting and shows decent reconstruction results (Fig. 9). The paper could be improved if the authors computed more metrics to quantify the results in numbers.

Finally, here are some minor suggested edits:

Line 10: remove "as a novel sensor".

Lines 16-19: combine the two phrases as "However, thermal-infrared imaging has the phenomenon of thermal diffusion, which leads to noisy thermal infrared images and limits its applications in high precision industrial environments".

Lines 20-23: the last three phrases are too vague ("Results show excellent good performance of the proposed system and method."). They need to briefly describe and summarize the approach, experiments, and results, or at least the approach and results.

Line 30: vague claim "more and more popular", no sources?

Line 31: if possible, add references to all claims, similar to what you did in line 35.

Line 45: what do you mean by "surface information of the objects"?

Line 47: add "widely" to "have not been used" (should be "have not been widely used").

Line 53: replace "does a good performance" by what you mean by it.

Line 76: there are two "("

Line 85: rewrite as "... of the proposed method, finalizing by presenting an application case for the industrial HMI.

Line 92: rewrite range as "-10℃ to 120℃".

Line 175: rewrite as "Four control points are enough for solving all of them, as long as any three of them are not located on the same line".

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 3 Report

First, congratulations on writing such a valuable article. I would also like to thank you for your dedication to writing the article.

However, I propose to improve the article. Detailed comments are included in the .pdf file.

Comments for author File: Comments.pdf

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Round 2

Reviewer 3 Report

The authors improved the manuscript taking into account the suggestions made. In my opinion, the manuscript is now publishable.