Questionnaire on Portrait Lighting Enhancement

Given an input image, please order four images according to the image quality (Select the best first; The rank of the best to the worst is 1-5. ). The best one should 1) naturally adjust the under-exposure and over-exposure areas of the face so that it has a better lighting condition, 2) not change the overall skin color or lose any details, 3) not produce any artifacts.

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1.

The input image is shown as follows.

【排序题】

A
B
C
D
E

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2.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

3.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

4.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

5.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

6.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

7.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

8.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

9.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

10.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

11.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

12.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

13.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

14.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

15.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

16.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

17.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

18.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

19.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

20.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

21.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

22.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

23.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

24.

The input image is shown as follows.

【排序题】

A
B
C
D
E

*

25.

The input image is shown as follows.

【排序题】

A
B
C
D
E

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