Samsung S5PC110 Manual page 1537

S5PC110_UM 8 7BVIDEO PROCESSOR
8.3 FUNCTION DESCRIPTION OF VIDEO PROCESSOR
8.3.1 BOB IN VIDEO PROCESSOR
Figure 8-3 Data Type for BOB
In some applications, it is necessary to display an interlaced video signal on a non-interlaced display. Thus, some
form of "de-interlacing" or "progressive can conversion" is required. Video mode is one of fundamental de-
interlacing algorithm. Video mode de-interlacing can be further broken down into inter-filed and intra-field
processing. Particular, Intra-field processing in video mode is the simplest method to generate additional scan
lines using only information in the original field. The computer industry has coined this technique as "BOB".
BOB in VP consists of Intra-field or inter-field. Inter-field comes from a frame as shown in 8-3(a). Also,
Figure
Intra-field comes from two frames as shown in (b).
Figure 8-3
8-3