CMOS Optoelectronic IC for Real-Time Extraction of Image Features

Figure 1: 32 x 32-Cells CNN prototype chip for selectable direction Connected Component Detection

Figure 2: Basic CNN processing unit schematic and layout

Figure 3: Test and measurements

a) Photosensing Darlington stage	b) Prototype chip test setup

Figure 4: CNN chip operation: connected component detection in 4 directions