COMMERCIAL BOUNDARY DETERMINATION DEVICE, COMMERCIAL BOUNDARY DETERMINATION METHOD, AND PROGRAM

• Main Authors: KAWANISHI TAKAHITO, OISHI YASUTOMO, HIRAMATSU KAORU, KASHINO KUNIO
• Format: Patent
• Language: English; Japanese
• Published: 25.07.2019
• Subjects: ACOUSTICS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MUSICAL INSTRUMENTS; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; SPEECH ANALYSIS OR SYNTHESIS; SPEECH OR AUDIO CODING OR DECODING; SPEECH OR VOICE PROCESSING; SPEECH RECOGNITION

To accurately determine commercial boundaries in content.SOLUTION: A commercial boundary determination device 1 includes: an input unit 11 for inputting content including a plurality of commercials; a volume calculation unit 12 for calculating time series data of a volume of content; a candidate interval determination unit 14 for determining a candidate interval including a low volume interval in which the volume is less than a predetermined threshold for a predetermined time or more; a cut point extraction unit 15 for extracting a cut point at which a frame whose amount of change from the previous frame is equal to or greater than a pixel change threshold from each of a plurality of candidate sections in the content; and a determination unit 16 for determining a commercial boundary on the basis of the cut point.SELECTED DRAWING: Figure 1 【課題】コンテンツにおけるコマーシャル境界を正確に判定する【解決手段】コマーシャル境界判定装置１は、複数のコマーシャルを含むコンテンツを入力する入力部１１と、コンテンツの音量の時系列データを算出する音量算出部１２と、音量が所定時間以上、音量閾値未満となる低音量区間を含む候補区間を決定する候補区間決定部１４と、コンテンツにおける複数の候補区間それぞれから、前フレームからの変化量が画素変化閾値以上であるフレームが再生されるカット点を抽出するカット点抽出部１５と、カット点に基づいてコマーシャル境界を判定する判定部１６と、を備える。【選択図】図１