IMAGE ENCODING/DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM HAVING BITSTREAM STORED THEREIN

• Main Authors: PARK, Seung Wook, HEO, Jin
• Format: Patent
• Language: English; French; Korean
• Published: 29.02.2024
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

Provided in the present invention is an image decoding method comprising the steps of: partitioning the current block into a first partition and a second partition according to a partition boundary; determining a first basic motion vector and a second basic motion vector corresponding to the first partition and the second partition; determining a first corrected motion vector and a second corrected motion vector by correcting the first basic motion vector and the second basic motion vector; determining a first prediction block for the first partition and a second prediction block for the second partition, according to the first corrected motion vector and the second corrected motion vector; and determining a final prediction block on the basis of the first prediction block and the second prediction block. La présente invention concerne un procédé de décodage d'image comprenant les étapes consistant à : diviser le bloc actuel en première et seconde divisions en fonction d'une limite de division ; déterminer un premier vecteur de mouvement de base et un second vecteur de mouvement de base correspondant à la première division et à la seconde division ; déterminer un premier vecteur de mouvement corrigé et un second vecteur de mouvement corrigé en corrigeant le premier vecteur de mouvement de base et le second vecteur de mouvement de base ; déterminer un premier bloc de prédiction relatif à la première division et un second bloc de prédiction relatif à la seconde division en fonction du premier vecteur de mouvement corrigé et du second vecteur de mouvement corrigé ; et déterminer un bloc de prédiction final sur la base du premier bloc de prédiction et du second bloc de prédiction. 본 발명에서, 현재 블록을 분할 경계에 따라 제1 파티션 및 제2 파티션으로 분할하는 단계, 제1 파티션 및 제2 파티션에 대응되는 제1 기초 움직임 벡터 및 제2 기초 움직임 벡터를 결정하는 단계, 제1 기초 움직임 벡터 및 제2 기초 움직임 벡터를 보정함으로써, 제1 보정 움직임 벡터 및 제2 보정 움직임 벡터를 결정하는 단계, 제1 보정 움직임 벡터 및 제2 보정 움직임 벡터에 따라, 제1 파티션에 대한 제1 예측 블록과 제2 파티션에 대한 제2 예측 블록을 결정하는 단계 및 제1 예측 블록과 제2 예측 블록에 기초하여 최종 예측 블록을 결정하는 단계를 포함하는 영상 복호화 방법이 제공된다.