This image is appearing with a warning instead of the stars rating because the image is not good enough to be used as target.
A target image has to contain many corners like structure in rich contrast areas. You might want to have a look at our documentation that describes the best use of image for targets.
about 7 years ago
When i am uploading an image on target manager its showing this image can never be recognized with warning symbol instead of stars . I wanted to kn ow when does this problem occur and whats the solution.