The receiving unit according to the present invention includes at least one antenna that receives an image signal acquired by the image acquisition device via radio waves, an intensity acquisition unit that acquires the reception intensity of the image signal received by the antenna, and the antenna receives the signal. A determination information generation unit that generates determination information for determining the radio wave interference degree from the image signal, and a determination unit that determines the radio wave interference degree determined based on the reception intensity and the determination information. Prepared.本発明に係る受信ユニットは、画像取得装置が取得した画像信号を、電波を介して受信する少なくとも一つのアンテナと、アンテナが受信した画像信号の受信強度を取得する強度取得部と、アンテナが受信した画像信号から、電波の干渉度合いを判定するための判定用情報を生成する判定用情報生成部と、受信強度と判定用情報とに基づいて定まる電波の干渉度合いを判定する判定部と、を備えた。
