Patent ID: 9654777
Date: 2017-05-16
CPC Classifications: H04N

Claim:
1. A method of coding video data, the method comprising: selecting, for coding a first palette index included in a first line of palette indices of a block of the video data, between at least a first palette coding technique and a second palette coding technique, wherein the first palette coding technique comprises coding a value of the first palette index, wherein the second palette coding technique comprises copying a second palette index included in a second line of palette indices different than the first line of palette indices, and wherein the first palette index and the second palette index map a respective first pixel position and a second pixel position to at least one entry of a palette of pixel values for the block of video data; based on selecting the first palette coding technique, coding one or more syntax elements that indicate the value of the first palette index; and based on selecting the second coding technique, coding one or more syntax elements that indicate that the first palette index of the first line is copied from the second palette index of the second line.