The phrase "austere image" is correct and usable in written English.
It can be used to describe a visual representation that is simple, severe, or unadorned in appearance.
Example: "The artist's latest work presents an austere image that evokes a sense of solitude and contemplation."
Alternatives: "stern appearance" or "simple depiction".
The austere image fostered by the Islamic authorities is very different from the Iran I know.
He cultivated such an austere image that he did not buy a refrigerator until a decade ago.
He masks the Pharaonic enrichment of his political circle by projecting an austere image of shrewd bluster and manly bravado.
Influenced by Impressionism, Chase presents a much softer and less austere image than that of Mrs. Manice.
But now some teachers are poking holes in this austere image, infusing levity into classes in an effort to appeal to more students.
In an effort to distance the Conservatives from the austere image associated with the Tories in the past, Mr. Cameron has outlined plans for a yearly tax credit of £150, or $230 ,for married couples of modest means.
In the late 18th century David and other neoclassicists rejected the sensuality and fun of rococo art and created austere images of political virtue instead.
Although nature, however fleeting the visitation, cannot, of course, take its own likeness, and although Long's austere images were necessarily framed and staged, they rapidly acquired canonical status.
But the difference between Du Camp's relatively austere images of pitted columns rising from wind-scoured desert and Frith's gorgeous extravaganzas is the difference between chamber music and grand opera.
From Albert Renger-Patzsch, known for austere images of industrial architecture taken between the wars, comes an image of a pair of hands shaping clay on a spinning potter's wheel.
And the Avenue of Liberty is barren and austere; its image doesn't crowd the water.
