Results 261 to 270 of about 292,668 (334)

Adaptive Exposure Optimization for Underwater Optical Camera Communication via Multimodal Feature Learning and Real-to-Sim Channel Emulation. [PDF]

Sensors (Basel)
Lou J, Zhang X, Shen H, Qian Y, Wang Z, Chen H, Wang Z, Hu L.   +7 more
europepmc   +1 more source

Low‐Voltage and High‐k Properties of Bilayer HZO Capacitors at the Morphotropic Phase Boundary for Next‐Generation Memory Applications

Advanced Science, EarlyView.
The HfxZr1‐xO2‐based ferroelectric/antiferroelectric bilayer capacitor exhibits morphotropic‐phase‐boundary behavior with a high dielectric constant (∼52) at 2 V. Phase engineering stabilizes o/t‐phase coexistence and suppresses m‐phase formation, enabling capacitance enhancement and self‐optimization under cycling for scalable low‐voltage, high‐κ ...
Junseok Kim, Hyeonjung Park, Changwoo Han, Huiseong Shin, Myeongjae Choi, Changhwan Shin   +5 more
wiley   +1 more source

Noise Sources and Strategies for Signal Quality Improvement in Biological Imaging: A Review Focused on Calcium and Cell Membrane Voltage Imaging. [PDF]

Biosensors (Basel)
Nikolaev DM, Metelkina EM, Shtyrov AA, Li F, Panov MS, Ryazantsev MN.   +5 more
europepmc   +1 more source

Development of 3D-Stacked 1Megapixel Dual-Time-Gated SPAD Image Sensor with Simultaneous Dual Image Output Architecture for Efficient Sensor Fusion. [PDF]

Sensors (Basel)
Chida K, Morimoto K, Isoda N, Sekine H, Sasago T, Maehashi Y, Mikajiri S, Tojima K, Shinohara M, Abdelghafar AT, Tsuchiya H, Inoue K, Omodani S, Ehara A, Iwata J, Itano T, Matsuno Y, Sakurai K, Ichikawa T.   +18 more
europepmc   +1 more source

Cost-Effective and High-Throughput WSPRi Sensing System Based on Multi-Monochromatic LEDs and Adaptive Second-Order Fitting Algorithm. [PDF]

Sensors (Basel)
Guo C, Xiao J, Zeng J, Zeng Y, Liu Y.
europepmc   +1 more source

Transducer Systems Integrated into Organ-on-a-Chip Devices: From Detection to Fabrication. [PDF]

Small
Ferreira GM, Sousa PC, Catarino SO, Minas G.   +3 more
europepmc   +1 more source

Advancements in Active-Pixel-Type CMOS Image Sensor Design Techniques and Architectures for Wide Dynamic Range. [PDF]

Sensors (Basel)
Sim S, Jun J.
europepmc   +1 more source

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CMOS Image Sensors

IEEE Circuits and Devices Magazine, 2005
In this article, we provide a basic introduction to CMOS image-sensor technology, design and performance limits and present recent developments and future directions in this area. We also discuss image-sensor operation and describe the most popular CMOS image-sensor architectures. We note the main non-idealities that limit CMOS image sensor performance,
A. El Gamal, H. Eltoukhy
semanticscholar   +3 more sources

11-bit Column-Parallel Single-Slope ADC With First-Step Half-Reference Ramping Scheme for High-Speed CMOS Image Sensors

IEEE Journal of Solid-State Circuits, 2021
A first-step half-reference ramping (FHR) readout scheme is presented in this study for high frame rate CMOS image sensors (CISs). The proposed readout scheme enhances the conversion speed of a single-slope (SS) analog-to-digital converter (ADC) by ...
Hyeon‐June Kim
semanticscholar   +1 more source

Low Power CMOS Image Sensors Using Two Step Single Slope ADC With Bandwidth-Limited Comparators & Voltage Range Extended Ramp Generator for Battery-Limited Application

IEEE Sensors Journal, 2020
This paper proposes a low-power column-parallel two-step single slope Analog-to-Digital Converter (SS ADC) and voltage range tuned ramp generator for low-power CMOS Image Sensors (CIS).
Himchan Park, Changzhi Yu, Hyunmook Kim, Y. Roh, J. Burm   +4 more
semanticscholar   +1 more source