نتایج جستجو برای: cmos image sensor

تعداد نتایج: 561091  

Journal: :The Journal of the Institute of Image Information and Television Engineers 1999

Journal: :IEICE Transactions 2005
Kyeong-Yuk Min Jong-Wha Chong

In this paper, we propose a hardware architecture of realtime JPEG encoder for 1.4 mega pixels CMOS image sensor SoC which can be applied to mobile communication devices. The proposed architecture has an efficient interface scheme with CMOS image sensor and other peripherals for real-time encoding. The JPEG encoder supports the baseline JPEG mode, and processes motion images of which resolution...

2014
Jasmine P. Devadhasan Mingwei Shao Sanghyo Kim

Toxic chemicals are one of the major global issues due to their adverse effect to human health and biosystems. This present study demonstrated a CMOS image sensor based highly sensitive colorimetric sensing system for the detection various pH ranges (pH1 to 13). For the reaction, pH indicator blended with polyvinyl alcohol (PVA) and titanium (TiO2) nanoparticle; and developed the thin hydrogel ...

2017
Fei Wang Liqiang Han Albert J. P. Theuwissen

A highly linear CMOS image sensor designed in 0.18μm CMOS image sensor (CIS) technology is presented in this paper. A new type of pixel design is adopted to cancel off the nonlinearity of the source follower (SF) and hence enhance the linearity. Furthermore, a digitally assisted calibration method is proposed to improve the linearity of the image sensor. The measurement results show that the ne...

2012
Yue Chen Albert J. P. Theuwissen Youngcheol Chae

This paper presents a low noise CMOS image sensor (CIS) using 10/12 bit configurable column-parallel single slope ADCs (SS-ADCs) and digital correlated multiple sampling (CMS). The sensor used is a conventional 4T active pixel with pinned-photodiode as detector. The test sensor has been fabricated in 0.18 μm CMOS image sensor process from TSMC. The ADC nonlinearity measurement result shows tota...

2007

• The Toshiba DynastronWD technology can extend dynamic range of a CMOS image sensor up to 96dB. It is a critical capability in today’s highly competitive camera phone market. Introduction There is explosive growth in the integration of cameras into mobile phones with consumers demanding both high pixel count and high image quality. To date, image sensor vendors have focused on delivering low-l...

Journal: :IEEE Transactions on Circuits and Systems I: Regular Papers 2007

Journal: :The International Conference on Electrical Engineering 2008

Journal: :IEEE Transactions on Circuits and Systems II: Express Briefs 2018

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