Results 261 to 270 of about 12,188 (295)
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A time-based CMOS image sensor
2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512), 2004A two-degree of freedom time-based CMOS image sensor is proposed in this paper for wide dynamic range imaging. Instead of reading analog voltages off chip, a time representation is used to record when the photodetector voltage drops below a time-varying threshold.
Qiang Luo, John G. Harris
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CMOS image sensors for sensor networks
Analog Integrated Circuits and Signal Processing, 2006We report on two generations of CMOS image sensors with digital output fabricated in a 0.6 ?m CMOS process. The imagers embed an ALOHA MAC interface for unfettered self-timed pixel read-out targeted to energy-aware sensor network applications. Collision on the output is monitored using contention detector circuits.
Eugenio Culurciello, Andreas G. Andreou
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On-Chip Digital Temperature Sensor for CMOS Image Sensor
2018 International Conference on Biomedical Engineering and Applications (ICBEA), 2018The Digital Temperature Sensors relies on two main parts: temperature sensor with analogue output and analogue-to-digital converter. The analogue temperature sensor architecture developed in this work consists on having a circuit with MOSFETs producing an output voltage proportional to absolute temperature the most linear possible. This voltage is then
Ruben Gomes +2 more
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A CMOS Sensor for Nano-Imaging
2006 Sixth IEEE Conference on Nanotechnology, 2006We report on the design and measurements of a new direct electron imaging sensor. The active pixel sensor array consists of 512 by 550 pixels, each 5 by 5 μm in size, with a ∼8 μm epitaxial layer, to achieve an effective fill factor of 100%. Spatial resolution of 2.3 μm for a single incident e-has been measured.
null Shengdong Li +3 more
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2017
In the image sensing optical receiver, such as CMOS Image Sensors (CIS), in general, comprise of photodiode and analog-mixed -signal circuits to amplify small photocurrent into digital signals. The CMOS image sensors are now the technology of choice for most imaging applications, such as digital video cameras, scanner and numerous other.
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In the image sensing optical receiver, such as CMOS Image Sensors (CIS), in general, comprise of photodiode and analog-mixed -signal circuits to amplify small photocurrent into digital signals. The CMOS image sensors are now the technology of choice for most imaging applications, such as digital video cameras, scanner and numerous other.
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CMOS Image Sensors and the Quanta Image Sensor
2018 International Conference on Optical MEMS and Nanophotonics (OMN), 2018This paper briefly reviews CMOS image sensor invention and development. The focus of the paper is on a possible successor - the Quanta Image Sensor – a photon-counting image sensor that operates at room temperature without avalanche multiplication. Experimental results with 1Mpixel array devices are described.
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Micro CMOS image sensor for multi-area imaging
2011 IEEE/IFIP 19th International Conference on VLSI and System-on-Chip, 2011We propose a micro complementary-metal-oxide semiconductor (CMOS) image sensor for simultaneous multi-area imaging. The sensor is designed for observation of mouse brain and its dimension is 550 µm × 850 µm. By connecting the sensors one after another, all the sensors are operated with only 5 lines.
Kiyotaka Sasagawa +6 more
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CMOS image sensor with programmable compressed sensing
2015 IEEE 11th International Conference on ASIC (ASICON), 2015The concept of compressed sensing CMOS image sensor is to compress data while sampling and prior to storage. This is our main idea to accomplish high speed imaging. In this paper, a CMOS image sensor with compressed sensing sampling mode is presented, which is composed of 256x256 pixel array.
Huixian Ye +4 more
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2013
Image sensors have become significant due to the high demand from different applications. Charge-Coupled Device (CCD) and Complementary Metal-Oxide Semiconductor (CMOS) image sensors are two different technologies used for capturing images digitally.
Mukul Sarkar, Albert Theuwissen
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Image sensors have become significant due to the high demand from different applications. Charge-Coupled Device (CCD) and Complementary Metal-Oxide Semiconductor (CMOS) image sensors are two different technologies used for capturing images digitally.
Mukul Sarkar, Albert Theuwissen
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A CMOS Image Sensor for Focal Plane Decomposition
2005 IEEE International Symposium on Circuits and Systems, 2005An alternative image decomposition method that exploits prediction via nearby pixels has been integrated on a CMOS sensor focal plane. The proposed focal plane decomposition is compared to the 2D discrete wavelet transform (DWT) decomposition commonly used in state of the art compression schemes such as EBCOT and SPIHT.
Zhiqiang Lin +4 more
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