Changes in version 1.1.0 (2026-01-19) - Removed hard dependency on the 'imager' package; it is now optional. Changes in version 1.0.4 (2025-09-30) - Added references to the DESCRIPTION field as requested by CRAN. - Revised function examples: replaced \dontrun{} with \donttest{} or made them executable. Changes in version 1.0.3 - Documentation fix: replaced \url{} with \doi{} in references to conform to CRAN policies. Changes in version 1.0.2 - Fixed Rd math macros. - Removed CHECK NOTE by updating .Rbuildignore. - Switched from @import to @importFrom for clearer namespace management. - Minor edits to the package Description for clarity. Changes in version 1.0.1 - Internal maintenance release (immediately replaced by 1.0.2). Changes in version 1.0.0 - First stable release of the package. - Provides three COG estimation methods: stroke-based, contour-based, and potential energy-based. - Includes documentation, test coverage, and support for binary glyph images. - Suitable for use in glyph structure analysis and image-based cognitive research.