Moving image encoding device, moving image encoding method, and recording medium with moving image encoding program stored therein

A moving image encoding method comprising:

• by an information processing device,
• acquiring, when, in encoding a moving image including a plurality of frames for which an intra picture or an inter picture is determined, a target frame to be encoded among the plurality of frames is the inter picture, a succeeding frame succeeding to the target frame in an order of encoding the plurality of frames;
• determining whether or not a degree of occurrence of flicker to be presumed in decoding the moving image being encoded satisfies a first criterion, based on a characteristic of the target frame and a characteristic of the succeeding frame;
• and
• generating, when a determination result relating to the degree of occurrence of flicker indicates that the first criterion is satisfied, as a prediction target image to be used in encoding the target frame, a provisional prediction image based on a reference frame and the succeeding frame, the reference frame being referred to by the target frame among the plurality of frames.

A non-transitory computer-readable recording medium storing a moving image encoding program for causing a computer to execute:

• acquiring, when, in encoding a moving image including a plurality of frames for which an intra picture or an inter picture is determined, a target frame to be encoded among the plurality of frames is the inter picture, a succeeding frame succeeding to the target frame in an order of encoding the plurality of frames;
• determining whether or not a degree of occurrence of flicker to be presumed in decoding the moving image being encoded satisfies a first criterion, based on a characteristic of the target frame and a characteristic of the succeeding frame;
• and
• generating, when a determination result indicates that the first criterion is satisfied, as a prediction target image to be used in encoding the target frame, a provisional prediction image based on a reference frame and the succeeding frame, the reference frame being referred to by the target frame among the plurality of frames.