A distance image processing device, a distance image acquisition device, and a distance image processing method that enable acquisition of a distance image with high precision and high visibility in the case of short range measurement are provided. A distance image processing device includes a first discrimination unit that discriminates a pixel having a distance value exceeding a certain distance range among a plurality of pixels of a distance image as an abnormal pixel, a second discrimination unit that discriminates the abnormal pixel discriminated by the first discrimination unit as a first abnormal pixel that is continuous and a second abnormal pixel that is not continuous, and a clipping processing unit that changes a distance value of the first abnormal pixel into a certain value.
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