error LNK2019: unresolved external symbol

1>contourlet_transform.obj : error LNK2019: unresolved external symbol "double * __cdecl vec_new_string(char *)" (?vec_new_string@@YAPANPAD@Z) referenced in function "struct contourlet_t * __cdecl contourlet_new(int,int *)" (?contourlet_new@@YAPAUcontourlet_t@@HPAH@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "int * __cdecl ivec_clone(int *)" (?ivec_clone@@YAPAHPAH@Z) referenced in function "struct contourlet_t * __cdecl contourlet_new(int,int *)" (?contourlet_new@@YAPAUcontourlet_t@@HPAH@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl ivec_delete(int *)" (?ivec_delete@@YAXPAH@Z) referenced in function "void __cdecl contourlet_delete(struct contourlet_t *)" (?contourlet_delete@@YAXPAUcontourlet_t@@@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl vec_delete(double *)" (?vec_delete@@YAXPAN@Z) referenced in function "void __cdecl contourlet_delete(struct contourlet_t *)" (?contourlet_delete@@YAXPAUcontourlet_t@@@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl mat_delete(double * *)" (?mat_delete@@YAXPAPAN@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl dfb_delete(struct _slim_dfb_ *)" (?dfb_delete@@YAXPAU_slim_dfb_@@@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl dfb_transform(struct _slim_dfb_ *,double * * *,double * *,int)" (?dfb_transform@@YAXPAU_slim_dfb_@@PAPAPANPAPANH@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "struct _slim_dfb_ * __cdecl dfb_new(int,int,int)" (?dfb_new@@YAPAU_slim_dfb_@@HHH@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "void __cdecl laplacian_pyramid_split(double * *,double * *,double * *,double *,double *)" (?laplacian_pyramid_split@@YAXPAPAN00PAN1@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "double * * __cdecl mat_new(int,int)" (?mat_new@@YAPAPANHH@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "int __cdecl mat_height(double * *)" (?mat_height@@YAHPAPAN@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>contourlet_transform.obj : error LNK2019: unresolved external symbol "int __cdecl mat_width(double * *)" (?mat_width@@YAHPAPAN@Z) referenced in function "void __cdecl contourlet_transform(struct contourlet_t *,double * *)" (?contourlet_transform@@YAXPAUcontourlet_t@@PAPAN@Z)
1>main.obj : error LNK2019: unresolved external symbol _bvec_delete referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _ivec_delete referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_distance_mse referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _contourlet_delete referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _contourlet_itransform referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _it_idwt2D referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_copy referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _it_wavelet2D_merge referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_div_by referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _ezbc_decode referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _ezbc_encode referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_delete referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_decr referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_incr referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_set_submatrix referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _dfb_flatten referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_pgm_write referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_mul_by referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _it_wavelet2D_split referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _it_dwt2D referenced in function _main
1>main.obj : error LNK2001: unresolved external symbol _it_wavelet_lifting_97
1>main.obj : error LNK2019: unresolved external symbol _contourlet_transform referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _contourlet_new referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _bvec_new_zeros referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _ivec_new referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_new referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_width referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_height referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol _mat_pgm_read referenced in function _main
1>E:\暑假工作\contourlet_transform\Debug\contourlet_transform.exe : fatal error LNK1120: 41 unresolved externals

 

这是怎么回事啊  轮廓波变换的代码   之前的解决办法说是加上opencv的库，搞不懂   请大神赐教！！！！！！