An object determining device (4, 16a, 16b, 16c, 16d, 16e) comprising: a face detecting means (5, 17a, 17d) for detecting, with an image imaged based on arbitrary focal point information as an image to be processed, a face of a person based on relative values of statistics in a plurality of characteristic regions in said image to be processed; and a determining means (6, 18a, 18b, 18c, 18d, 18e) for determining a subject to be focused and/or subject to be performed with exposure control when performing imaging based on the face detected by said face detecting means (5, 17a, 17d); wherein said face detecting means (5, 17a, 17d) is configured to define an emphasis region in said image to be processed, the emphasis region being a region of said image to be processed smaller than said image to be processed, wherein the emphasis region includes a first region and a second region which are characteristic regions within the emphasis region, wherein the first region and the second region are respectively arranged at fixed positions within the emphasis region such that they define a pattern; for each of a plurality of predefined patterns of the first region and the second region in the emphasis region, the face detecting means (5, 17a, 17d) is configured to derive a relative value of the statistics of the first region and the second region and, based on the derived relative value of the statistics, calculate a point value for that pattern; and the face detecting means (5, 17a, 17d) is further configured to determine whether or not a face of a person is included in the emphasis region based on the calculated point values. a face detecting means (5, 17a, 17d) for detecting, with an image imaged based on arbitrary focal point information as an image to be processed, a face of a person based on relative values of statistics in a plurality of characteristic regions in said image to be processed; and a determining means (6, 18a, 18b, 18c, 18d, 18e) for determining a subject to be focused and/or subject to be performed with exposure control when performing imaging based on the face detected by said face detecting means (5, 17a, 17d); wherein said face detecting means (5, 17a, 17d) is configured to define an emphasis region in said image to be processed, the emphasis region being a region of said image to be processed smaller than said image to be processed, wherein the emphasis region includes a first region and a second region which are characteristic regions within the emphasis region, wherein the first region and the second region are respectively arranged at fixed positions within the emphasis region such that they define a pattern; for each of a plurality of predefined patterns of the first region and the second region in the emphasis region, the face detecting means (5, 17a, 17d) is configured to derive a relative value of the statistics of the first region and the second region and, based on the derived relative value of the statistics, calculate a point value for that pattern; and the face detecting means (5, 17a, 17d) is further configured to determine whether or not a face of a person is included in the emphasis region based on the calculated point values.