Combine harvester, grain sorting method, grain sorting system, grain sorting program, recording medium in which grain sorting program is recorded, grain inspection method, grain inspection system, grain inspection program, and recording medium in which grain inspection program is recorded

The present invention is provided with: a reaping unit for reaping crop stalks in a field; a threshing device that threshes and sorts the cut grain stalks into sorted materials including normal grains and discharges other than the sorted materials; a grain tank (12) for storing the sorted material; conveying devices (29, 30) for conveying the sorted material from the sorting unit to the grain tank (12); a temporary storage unit (46) for taking out and storing a portion of the sorted material conveyed by the conveyance devices (29, 30); an imaging unit (47) for imaging the sorted objects stored in the temporary storage unit (46); and an image analysis unit that analyzes the image captured by the image capture unit (47) and performs a discrimination process for discriminating the sorted objects stored in the temporary storage unit (46) as normal grains and foreign matters other than the normal grains mixed in the sorted objects. 具备：割取部，其对田地的植立谷秆进行割取；脱粒装置，将割取谷秆脱粒，分选处理为包含正常的谷粒的分选处理物与分选处理物以外的排出物；存储分选处理物的谷粒箱(12)；从分