Apparatus and method for outputting image information, and non-transitory computer-readable storage medium for storing program for outputting image information

A method performed by a computer for outputting image information, the method comprising:

• executing, by a processor of the computer, an acquisition process that includes acquiring pixel value information items from a sensor, the sensor being configured to execute a reciprocation scan with a measurement wave in a scan direction and output the pixel value information items obtained at multiple sampling angles during the reciprocation scan;
• executing, by the processor of the computer, a calculation process that includes calculating, based on the pixel value information items for one reciprocating motion in the reciprocation scan for each of multiple different arrangement orders in which a chronological pixel value information item on a forward path and a reverse-chronological pixel value information item on a backward path are assumed to be alternately assigned, differences between the chronological pixel value information item and the reverse-chronological pixel value information item which are adjacent to each other in an arrangement direction;
• and
• executing, by the processor of the computer, a generation process that includes generating, based on the differences, a correction information item related to the pixel value information items for the one reciprocating motion in the single reciprocation scan.

A non-transitory computer-readable storage medium for storing a program that causes a processor to execute a process for outputting image information, the process comprising:

• executing an acquisition process that includes acquiring pixel value information items from a sensor, the sensor being configured to execute a reciprocation scan with a measurement wave in a scan direction and output the pixel value information items obtained at multiple sampling angles during the reciprocation scan;
• executing a calculation process that includes calculating, based on the pixel value information items for one reciprocating motion in the reciprocation scan for each of multiple different arrangement orders in which a chronological pixel value information item on a forward path and a reverse-chronological pixel value information item on a backward path are assumed to be alternately assigned, differences between the chronological pixel value information item and the reverse-chronological pixel value information item which are adjacent to each other in an arrangement direction;
• and
• executing a generation process that includes generating, based on the differences, a correction information item related to the pixel value information items for the one reciprocating motion in the reciprocation scan.