Research on the Image-Motion Compensation Technology of the Aerial Camera Based on the Multi-Dimensional Motion of the Secondary Mirror

Round 1

Reviewer 1 Report

Comments and Suggestions for Authors

Minor changes required:

Tab1 - fixed number of digits after dot is required:
e.g. 4 <- 4.00

Eq.8 - cross operator is used, but cdot is enough

Eq.8 and similar - please use bracket with appropriate height

Eq.12,14 lost operator inside Eq !
Please check PDF file !

l.193
The third-order astigmatism induced by the secondary mirror off-axis exhibits a
"two-nodes" phenomenon

Please add explanation or references. Do not use "".

Eq.15 brackes height problem, please add "i" explanation (it is clear for me)

Eq.16 is not clear

Major changes required:
1.
Camera uses RGB+NIR channels. Please show results for all channels (laboratory experiment is enough).

2.
Please add Discussion section for positive and negative results analysis with discussion related to references.

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 2 Report

Comments and Suggestions for Authors

In the manuscript ‘Research on the Image Motion Compensation Technology of the Aerial Camera Based on the Multi-Dimensional Motion of the Secondary Mirror’ Zhang et al. present research on an image motion compensation technology for aerial cameras based on the multi-dimensional motion of the secondary mirror.

Overall, the paper presents an interesting approach to image motion compensation for aerial cameras that appears to be effective based on the experimental results. However, there are many points that are not clear in the manuscript that need to be addressed. Please find the questions below:

1.       In Section 3.1.1, equations 3-9 are presented without much explanation of their derivation or physical meaning. Could the authors provide more context on how these equations were developed?

2.       On a similar note, equation 16 should be rewritten as it is hard to read.

3.       The paper mentions "coma-free pivot point" several times but does not define or explain this concept. What exactly is the coma-free pivot point and why is it important?

4.       In Section 4, the authors state "TF3 special glass was used to correct the secondary spectrum". What is TF3 glass and how does it correct secondary spectrum aberration? Please give some references.

5.       The flight experiment in Section 5.2 uses a 10m x 10m resolution target. How was this large target implemented in practice? Was it a physical target on the ground?

6.       The conclusion states this technology can be applied to ground-based, air-based and space-based systems. Are there any limitations or additional considerations for adapting it to space-based systems that were not covered in this paper?

7.       The paper does not discuss any potential drawbacks or limitations of this approach compared to other image motion compensation methods. Are there any trade-offs or scenarios where this method may not be optimal?

 

 

 

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 3 Report

Comments and Suggestions for Authors

The authors present the article entitled “Research on the Image Motion Compensation Technology of the Aerial Camera Based on the Multi-Dimensional Motion of the Secondary Mirror”. The article presents the following concerns:

• I consider that the technological contribution is well described in the Introduction. However, it is suggested that they can also provide a context from a scientific perspective to identify the scientific contribution of the work.

• In the Introduction, it is suggested to list the main contributions of the work.

• It is recommended that the authors clarify the criteria for determining the typical flight parameters shown in Table 1.

• I suggest adding a flow chart that explains the image motion compensation.

• Improve the quality of all images in order to see the details. For example, Figure 6 is presented in low quality.

• I suggest explaining in detail how the image motion compensation accuracy was calculated. 

• Please add a Discussion section where the results can be interpreted. Also, in this new section, please add a table that compares the main contributions of the work vs the already reported in the state-of-the-art in order to highlight the novelty of the work.

• Please check the manuscript for typing errors. For example, the equations 12 and 14 present empty boxes. 

• In “80lp/mm” a space is missing. Another space missing is in line 279: “0.05mm striped target…” Please check for missing space in all the document.

• Please mention future works in the Conclusion section.

• It is highly recommended that the authors reduce the similarity level to less than 20%. In its current state, it presents 26% similarity.

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Round 2

Reviewer 2 Report

Comments and Suggestions for Authors

I thank the authors for having replied to all my questions and clarifying some doubts about the manuscript. 

Reviewer 3 Report

Comments and Suggestions for Authors

I want to thank the authors for addressing all my concerns. I consider that the manuscript is ready for publication.