To provide an ultrasonic image processing apparatus capable of accurately calculating edge information of a target pixel with respect to an ultrasonic image.A plurality of pixels are arranged in a direction of a second axis corresponding to a direction of a first axis corresponding to a scanning direction of an ultrasonic wave transmitted to an object and a distance direction in which the ultrasonic wave propagates, Is an ultrasonic image processing apparatus for processing an ultrasonic image having a coordinate based on a reflection position of the ultrasonic wave and a pixel value based on the intensity of the reflected wave of the ultrasonic wave, Setting a plurality of line segments having different directions and dividing a calculation target region including the target pixel into a first region and a second region by passing through a pixel of interest included in each of the plurality of line segments, Calculating a difference between an added value of pixel values of a plurality of pixels included in the first region and an added value of pixel values of a plurality of pixels included in the second region, and based on a plurality of calculated values of the differences , Edge information for calculating edge information for the target pixel Comprising a calculation unit, an ultrasonic image processing apparatus.(FIG.【課題】超音波画像に対して着目画素のエッジ情報を精度良く算出可能な超音波画像処理装置を提供すること。【解決手段】対象物に送信された超音波の走査方向に対応する第1軸の方向及び前記超音波が伝搬する距離方向に対応する第2軸の方向に並ぶ複数の画素を含み、前記複数の画素の各々は、前記超音波の反射位置に基づく座標と前記超音波の反射波の強度に基づく画素値とを有する超音波画像を処理する超音波画像処理装置であって、前記超音波画像に含まれる着目画素を通り、前記着目画素を含む計算対象領域を第1領域と第2領域に分割する互いに向きの異なる複数の線分を設定し、前記複数の線分の各々に対して、前記第1領域に含まれる複数の画素の画素値の加算値と前記第2領域に含まれる複数の画素の画素値の加算値との差分を計算し、複数の前記差分の計算値に基づいて、前記着目画素に対するエッジ情報を算出するエッジ情報算出部を備える、超音波画像処理装置。【選択図】図7
