Imagine 8.4 seems to keep the histogram in "MIFObject" format, which means that gdalinfo does not properly report the metadata for histomin, histomax or histocount.
HistogramParameters(Eimg_StatisticsParameters840) @ 1417 + 876 @ 1545
+ LayerNames = (no values)
+ ExcludedValues = 1x1 basedata of type 3
+ AOIname =
+ string = (no values)
+ SkipFactorX = 1
+ SkipFactorY = 1
+ BinFunction =
+ type =
+ string = `Edsc_BinFunction840'
+ MIFDictionary =
`{0:pcstring,}Emif_String,{1:x{0:pcstring,}Emif_String,type,0:pcMIFDic
tionary,0:pCMIFObject,}Emif_MIFObject,{1:lstartBin,1:LbinCount,1:LorigBinCount,1:x{1:x{0:pcstrin
g,}Emif_String,type,0:pcMIFDictionary,0:pCMIFObject,}Emif_MIFObject,binFunction,1:x{0:pcstring,}
Emif_String,title,}Edsc_BinFunction840,.'
+ MIFObject = `'
See zonegimg.img