2. An apparatus according to claim 1, wherein said compiling means compares a predetermined reference feature with each of the original features of the characters corresponding to the identical answers obtained by said recognizing means to detect a difference therebetween and rejects the characters corresponding to a difference which exceeds the predetermined allowable value, thereby determining the final answers for the set of characters.
4. An apparatus according to claim 2, wherein said predetermined reference feature used in said compiling means is one of the original features corresponding to the identical answers.