S E E . F E E L . T O U C H . CMOS type imagers became the default - PowerPoint PPT Presentation

Jun 04, 2023 •144 likes •268 views

CMOS Imaging TODAY Power vs. Resolution PixArt Imaging Technology Call to Action S E E . F E E L . T O U C H . CMOS type imagers became the default imaging means in consumer electronics Dominated by Capture and

• CMOS Imaging TODAY • Power vs. Resolution • PixArt Imaging Technology • Call to Action S E E . F E E L . T O U C H .
• CMOS type imagers became the default imaging means in consumer electronics • Dominated by “Capture and Display” (CAD) • Smartphones, Tablets, Laptops, or other devices with screen • New Wave of Battery Operated IoT Devices • Place focus on power S E E . F E E L . T O U C H .
S E E . F E E L . T O U C H .
• CMOS Imaging is the CORE • Focus on image analytics type of applications • Low Power solutions through pixel and algorithmic detections • Incorporate “smart detection” into the sensor • Product Successes • Optical Mouse • Wii Switch Gaming Controller S E E . F E E L . T O U C H .
S E E . F E E L . T O U C H .
• Global Shutter • Allow for very low fps duty cycle in Low Power Mode • Without “rolling shutter” artifact • Modularized Blocks (Digital and Analog) • i.e During integration, Digital and Analog blocks can be OFF • i.e Skip function allow turning OFF rows not in use • Easier said than done!!! • Integrated Image Analytics • Data are processed on silicon • Allow lowest “Deep Sleep” stage until an event is triggered • i.e Built-In Motion Detection S E E . F E E L . T O U C H .
• All image sensor suffers from Dark Current (caused by Heat) • Silicon impurities • Power dissipation on chip / Ambient Temp. • Ultimately, power dissipation causes heat, in turn reduces the dynamic range PixArt Competition 71mW 100mW 2 Lux ; 70deg Ambient 2 Lux ; 70deg Ambient Camera placed inside of Camera placed inside of oven oven S E E . F E E L . T O U C H .
• Complete Camera Solution that includes: • Re-flowable optical lens • Low Power Image Sensor • QVGA (320 x 240) at 30fps : 1.4mW • QQVGA (160 x 120) at 30fps : 600µW S E E . F E E L . T O U C H .
Distance: 1.0m Distance: 1.2m Distance: 1.4m S E E F E E L T O U C H
• Do MORE with LESS….Resolution • Only sustainable way to achieve Always ON state • This is NOT a replacement for high resolution cameras • Use for Detection, Trigger, decision making, object counting and etc. • Low Power Edge Processing is CRUCIAL • Camera CANNOT address all variations of analytics on silicon • NOT scaleable and NOT realistic • Begin the discussion….. • Partitioning / Optimization in terms of power S E E . F E E L . T O U C H .
Charles Chong Dir. Of Strategic Marketing, N. America Email: Charles_chong@pixart.com Website: www.pixart.com S E E . F E E L . T O U C H .

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