compile command fails

[eyildiz-ugoe]

>> compile
Building with 'g++'.
Error using mex
/home/username/workspace/seeing3Dchairs/code/features.cc: In function ‘mxArray* process(const mxArray*, const mxArray*)’:
/home/username/workspace/seeing3Dchairs/code/features.cc:38:44: error: cannot convert ‘const size_t* {aka const long unsigned
int*}’ to ‘const int*’ in initialization
   const int *dims = mxGetDimensions(mximage);
                                            ^
/home/username/workspace/seeing3Dchairs/code/features.cc:58:72: error: cannot convert ‘int*’ to ‘const size_t* {aka const long
unsigned int*}’ for argument ‘2’ to ‘mxArray* mxCreateNumericArray(size_t, const size_t*, mxClassID, mxComplexity)’
   mxArray *mxfeat = mxCreateNumericArray(3, out, mxDOUBLE_CLASS, mxREAL);
                                                                        ^

Error in compile (line 4)
mex features.cc;

OS: Ubuntu 16.04 Matlab: 2017b g++: 4.9