"objective picture" is correct and usable in written English.
You can use it when discussing an unbiased representation of a situation or idea. For example, "The journalist's objective picture of the event allowed readers to form their own opinions without being swayed by bias."
He does not sketch a basic epistemology but underlines that the images in our mind right from the beginning do not render an objective picture of the true objects.
This paper develops a comprehensive and objective picture of bird distributions relative to habitats across Britain.
He called for an "objective picture" of the incident to be determined so that "we know what happened and can react accordingly".
And, if we can move from one perspective to another, what is to prevent us from conjoining our partial views into a reasonably objective picture of the world?
In the early days of photography there was a great deal of optimism around its potential to present the public with an accurate, objective picture of the world.
Computers have no prejudices about language, and by statistically analysing large databases of academic writing we can get a more objective picture of our grammar and style.
But even apparently objective pictures deliver time-released dramas.
Some people tend to consider photographs as factual, objective pictures; this view leaves out the human, subjective, artistic processing of the raw material.
This is drawing as an almost psychic method of summoning memory, perhaps less an objective picturing of the past than a graphic method of remembering.
"We will do everything that we can so that an objective pictured of what happened can be achieved," Putin said.
Two adjacent ×40 objective pictures using a Z-stack throughout the section were taken per section 2 3 mm from the injury site in the ipsilateral side, and approximately on the same level in the contralateral side.
