"complicated background" is perfectly correct and usable in written English.
You can use it in all kinds of contexts to refer to something that has a complex or difficult history. For example, "The negotiations between the two sides were made more difficult due to their complicated background."
This makes the classification network to extract more representative features based on the segmentation results instead of the original images, further reducing the influence of complicated background.
The 18-year-old's complicated background means he is eligible for Belgium, Albania and Turkey, whilst he would also be available for England once he has fulfilled FIFA's eligibility requirements.
This issue established Snake-Eyes' complicated background, and tied his character into many other characters, both G.I. Joe and Cobra.
I was elated by his message as a woman who is also mixed-race and who grew up lonely in my silence about my own racially and culturally complicated background.
Obama, with his complicated background, doesn't take roots for granted.
In this paper, an efficient classification framework for leaf images with complicated background is proposed.
For example, in many states and rural areas, guns frequently change hands privately through sales to family members or neighbors, which could complicate background check procedures.
Such complicating background factors may have implications for investigations, such as that by Elliot and co-workers in the previous issue of Critical Care [ 8], as it is difficult to know the 'normal' sleep pattern of any patient and, consequently, in sleep research examining hospital populations, the choice of control group is a challenge.
In both films, the charge transport is complicated by background conductance that most likely results from bulk residual charge.
The first Polish film-maker to leave a significant dent in cinema history was Władysław Starewicz – whose complicated ethnic background highlights Poland's own political travails at the time.
His is as complicated a background as can be imagined for a candidate, but it is also a fascinating history of unusual, gifted, productive parents of totally different backgrounds who produced a remarkable son undoubtedly beyond their wildest imaginings and dreams.
