IMAGE_COMPONENTS
Connected Components of an Image or Matrix
IMAGE_COMPONENTS
is a C++ library which
seeks to count and label the connected nonzero/nonblack
components in an image or integer vector, matrix or 3D block.
Licensing:
The computer code and data files described and made available on this
web page are distributed under
the GNU LGPL license.
Languages:
IMAGE_COMPONENTS is available in
a C version and
a C++ version and
a FORTRAN90 version and
a MATLAB version.
Related Data and Programs:
IMAGE_DENOISE,
a C++ library which
applies simple filtering techniques to remove noise from an image.
IMAGE_EDGE,
a C++ library which
demonstrates a simple procedure for edge detection in images.
REGION,
a FORTRAN90 library which
reads 3D MRI voxel data, and groups the voxels into connected regions;
Reference:
-
Jonas Gomes, Luiz Velho,
Image Processing for Computer Graphics,
Springer, 1997,
ISBN: 0387948546,
LC: T385.G65.
-
William Pratt,
Digital Image Processing,
Second Edition,
Wiley, 1991,
ISBN13: 978-0471857662,
LC: TA1632.P7.
Source Code:
Examples and Tests:
List of Routines:
-
FILE_COLUMN_COUNT counts the columns in the first line of a file.
-
FILE_ROW_COUNT counts the number of row records in a file.
-
I4_MIN returns the minimum of two I4's.
-
I4BLOCK_COMPONENTS assigns contiguous nonzero pixels to a common component.
-
I4MAT_COMPONENTS assigns contiguous nonzero pixels to a common component.
-
I4MAT_DATA_READ reads data from an I4MAT file.
-
I4MAT_HEADER_READ reads the header from an I4MAT file.
-
I4VEC_COMPONENTS assigns contiguous nonzero pixels to a common component.
-
S_LEN_TRIM returns the length of a string to the last nonblank.
-
S_TO_I4 reads an I4 from a string.
-
S_TO_I4VEC reads an I4VEC from a string.
-
S_WORD_COUNT counts the number of "words" in a string.
-
TIMESTAMP prints the current YMDHMS date as a time stamp.
You can go up one level to
the C++ source codes.
Last revised on 01 March 2011.