An endoscope apparatus, comprising: an image pickup device； a detection device that detects whether or not an image region at which a part of an object region is edged along a direction parallel to the scan lines in a state that is different to a case where a plurality of the scan lines are simultaneously exposed exists in a frame image due to differences of exposure timings for each of the scan lines based on an image feature amount in the frame image that is obtained from the image data for each of the scan lines that is outputted from the image pickup device； and an exposure control device that lengthens an exposure time of each of the scan lines by the image pickup device in comparison to a case where the detection device does not detect the image region, if the detection device detects the image region.
