Application Programs and Systems - Heterogeneous Multicore Processor Technologies for Embedded Systems - page 211

Fig. 6.38 Processing fl ow
of uITRON system

Start

Initialize VEU/BEU/LCDC

Start LCDC

Initialize VPU

Supply MPEG-2 video stream

Decode MPEG-2
Video on VPU

Copy frame buffer of decoding
data to that of decoded data

Start VEU

Start BEU

Copy frame buffer of decoding
data to that of captured image

uITRON (Video image search middlewares)

Still
image

Memory
(DDR3-SDRAM)

plane Graphics

α

Face
detection

Image object management

Still
image

Thumbnail
images

α plane Graphics

Face
detection

Mouse pointer
depiction

Face region
image

Similar
image

Face image

Event
processing

Image processing Similar-image search

Interior event
generation

YUV-RGB
conversion

Feature
calculation

Trimming Registering

Mouse event
detection

Frame
depiction

Image
search

Scaling Deletion

Linux (Face detection, similar-image search and user operation)

Fig. 6.39 Block diagram of Linux system