A method for monitoring the heating of staves by a brazier during the manufacture of a barrel, said staves being assembled so as to form a barrel, said method being implemented by a monitoring system comprising a temperature measuring means arranged so as to measure the temperature of the brazier, an infrared image capture means, a data processing module and a storage module, said method including during a heating of staves by a brazier: - a continuous measurement of the temperature of the brazier, by the temperature measuring means, - a continuous capture of infrared images of several staves intended to form a barrel, using the infrared image capture means, so as to obtain values of the external temperature of the staves, the infrared images of the staves including image areas associated with the staves of a barrel and other image areas, - a step of calculating, by the data processing module, preferably in real time, a value of at least one heating parameter from the values of the external temperature of the staves for each of the captured infrared images, said at least one heating parameter being able for example to be selected from: an average external temperature, a maximum external temperature, a minimum external temperature, an average internal temperature, a maximum internal temperature, a minimum internal temperature, a temperature variance, or an index of conformity to a heating model, characterized in that the method comprises: - a step of storing, by the storage module, a distribution over time of the measured values of the temperature of the brazier and of the calculated values of the at least one heating parameter, wherein the calculation step further comprises a pattern recognition step so as to differentiate thermal signatures associated with the staves of a barrel from the other image areas. - a continuous measurement of the temperature of the brazier, by the temperature measuring means, - a continuous capture of infrared images of several staves intended to form a barrel, using the infrared image capture means, so as to obtain values of the external temperature of the staves, the infrared images of the staves including image areas associated with the staves of a barrel and other image areas, - a step of calculating, by the data processing module, preferably in real time, a value of at least one heating parameter from the values of the external temperature of the staves for each of the captured infrared images, said at least one heating parameter being able for example to be selected from: an average external temperature, a maximum external temperature, a minimum external temperature, an average internal temperature, a maximum internal temperature, a minimum internal temperature, a temperature variance, or an index of conformity to a heating model, characterized in that the method comprises: - a step of storing, by the storage module, a distribution over time of the measured values of the temperature of the brazier and of the calculated values of the at least one heating parameter, - a step of storing, by the storage module, a distribution over time of the measured values of the temperature of the brazier and of the calculated values of the at least one heating parameter, wherein the calculation step further comprises a pattern recognition step so as to differentiate thermal signatures associated with the staves of a barrel from the other image areas.