"unfairly perceived" is a correct and usable phrase in written English.
You can use it when you want to express the idea of someone being judged in an inaccurate way based on limited or false information. For example, "He was unfairly perceived as lazy when, in fact, he was just slow and methodical in his work."
Modern languages departments in schools are under pressure from management because the subject is unfairly perceived to be underperforming.
"Modern languages departments in schools are under pressure from management because the subject is unfairly perceived to be underperforming," the group writes.
There is indeed a danger that students with dependents are unfairly perceived as 'high risk' students, that is, likely to have problems completing degrees, and that this could be used as a tacit justification for rejecting them, in some cases".
The result of this attitude – which remains persistent despite the social change in the past 60 years - is that mums and mums-to-be are unfairly perceived by employers to be distracted and perform less well.
The squat two-handled footed cup, topped by a cover that is painted with two female portraits, belongs to a class of pottery usually if unfairly perceived as a provincial branch of Greek art.
As a result, gay men are unfairly perceived as less athletic.
Classical music has for too long (and I think, unfairly) been perceived as a specialized art form.
Also the political kudos obtained by the host country from such an important presence might unfairly be perceived by the world community as tacit approval of that country...
This is because using unadjusted (not case-mix adjusted) hospital scores may inadvertently and unfairly penalise (or be perceived to unfairly penalise) cancer centres that specialise in care of patients who face the biggest challenges in terms of shared decision making, such as ovarian cancer or myeloma patients, or younger patients with cancer.
Miliband, despite his best efforts, couldn't persuade voters that Labour wouldn't go back to what many of them perceived (largely unfairly, as it happens) to be its old, bad ways.
Perhaps the president's reluctance reflects the particular perils faced by any president who represents an American minority — the reasonable fear that he will be perceived, however unfairly, as chauvinist or parochial.
