Medical system, energy control method, and processor

An energy control method comprising:

• generating a fluorescence image based on an image pickup signal obtained by imaging a living body tissue irradiated with an excitation light;
• extracting a heat invasion region that includes a group of pixels among a plurality of pixels included in the fluorescence image;
• obtaining a first pixel value of the group of pixels;
• determining whether a first value exceeds a first threshold value, the first value is regarding the first pixel value;
• responsive to determining the first value exceeds the first threshold value, outputting a first control signal configured to decrease energy supply to an energy device;
• subsequent to outputting the first control signal, obtaining a second pixel value of the group of pixels;
• determining whether a second value exceeds a second threshold value, the second value is regarding the second pixel value;
• responsive to determining the second value exceeds the second threshold value, outputting a second control signal configured to stop energy supply to the energy device.

A processor comprising a processing circuit, the processing circuit being configured to:

• generate a fluorescence image based on an image pickup signal obtained by imaging a living body tissue irradiated with excitation light;
• extract a heat invasion region that includes a group of pixels having a pixel value among a plurality of pixels included in the fluorescence image;
• determine whether a first value exceeds a first threshold value, the first value is regarding the pixel value of the group of pixels;
• responsive to determine the first value exceeds the first threshold value, output a first control signal configured to decrease energy supply to an energy device;
• subsequent to outputting the first control signal, determine whether a second value exceeds a second threshold value, the second value is regarding the pixel value of the group of pixels;
• responsive to determine the second value exceeds the second threshold value, output a second control signal configured to stop energy supply to an energy device.