This is a known issue when the generation of the following cores on Linux in ISE software 11.4 - 12.1.
This issue is resolve in 12.2 and beyond.
You can work around this by only using lower case alpha characters in the component name when generating one of these cores.
(Xilinx Answer 33748) - List of LogiCORE IP Image Statistics Release Notes and Known Issues.
(Xilinx Answer 33749) - List of LogiCORE IP Image Edge Enhancement Release Notes and Known Issues.
(Xilinx Answer 33750) - List of LogiCORE IP Image Noise Reduction Release Notes and Known Issues.