The phrase "a deep picture of" is correct and usable in written English.
It can be used when describing a thorough or profound understanding of a subject or situation.
Example: "The documentary provides a deep picture of the challenges faced by the community during the crisis."
Alternatives: "a profound insight into" or "a comprehensive view of".
After several hundred pages of great brilliance and brutal simplicity, here at last is a deeper picture of all that man is, or all that he might be.
But "In God We Trust" offers a deeper picture of her efforts to help investigators and journalists dig through the records and piece together the full dimensions of the fraud.
If Johnny's smart enough for the analysis of my stats, he's smart enough to spot the flaw in his own: namely that focusing on the absolute toppermost-of-the-poppermost for an entire year does not provide a deeper picture of the music scene as a whole.
That capacity, still in development, may help us pinpoint the genetic components of diseases, provide us with personalized medical care, and reveal a stunningly deep picture of all evolution on earth.
"I think BuzzFeed is an amazing fit because they also publish in many genres, and I'm really excited to see how I can utilize as many of them as I can to give readers a really deep picture of what it means to be trans in the U.S. and the world today, while still finding ways to have fun".
Had sections been devoted to one tribe at a time, a more coherent and possibly deeper picture of a particular culture might have emerged.
You see, I came down with a bad case of panic disorder in my teens, and by the time I was in my 20s I had set up a deep inward picture of myself as weak.
But more than that, the music conveyed a deeper, broader picture of their musicianship.
Shuttle astronauts have visited Hubble four times, swapping out broken components and adding improved instruments that have enabled clearer and deeper pictures of the universe.
In order to get more certainty, he and his fellow authors want to use WFC3 to take even deeper pictures of space by pointing at the same patch of sky for longer durations.
