28. The method of claim 24 , further comprising: estimating a first load to process first candidate text region data; and estimating a second load to process second candidate text region data.
28. The method of claim 24 , further comprising: estimating a first load to process first candidate text region data; and estimating a second load to process second candidate text region data. 29. The method of claim 28 , further comprising adjusting the first candidate text region data and the second candidate text region data to generate first load-balanced candidate text region data and second load-balanced candidate text region data based on the first load and the second load, wherein the first text region data is identified in the first load-balanced candidate text region data.