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A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor CMOS
2015/8/17
A 0.5p,m Pixel Frame-Transfer CCD Image Sensor in 110nm CMOS.
CMOS image sensors have received much attention over the last decade, offering the promise of ultra low power and camera-on-chip integration in standard fabrication processes. This year over 30 millio...
Active Pixel Sensors Fabricated in a Standard 0.18 urn CMOS Technology
CMOS APS image sensor dark current quantum efficiency photodiode photogate
2015/8/17
CMOS image sensors have benefited from technology scaling down to O.351um with only minor process modifications. Several studies have predicted that below O.25m, it will become difficult, if not impos...
How Small Should Pixel Size Be?
Signal-to-Noise Ratio(SNR) Dynamic Range(DR) Modulation Transfer Function(MTF)
2015/8/17
Pixel design is a key part of image sensor design. After deciding on pixel architecture, a fundamental tradeoff is made to select pixel size. A small pixel size is desirable because it results in a sm...
Characterization of CMOS Image Sensors with Nyquist Rate Pixel Level ADC
ixel level ADC dark current fixed pattern noise read noise QE
2015/8/17
Techniques for characterizing CCD imagers have been developed over many years. These techniques have been recently modified and extended to CMOS PPS and APS imagers. With the scaling of CMOS technolog...
Pixel level processing promises many significant advantages including high SNR, low power, and the ability to adapt image capture and processing to different environments by processing signals during ...
A Nyquist Rate Pixel Level ADC for CMOS Image Sensors
Nyquist Rate Pixel Level ADC CMOS Image Sensors
2015/8/17
A Nyquist rate Multi-Channel Bit Serial (MCBS) ADC using successive comparisons is presented. The ADC is suited to pixel level implementation in a CMOS image sensor. It comprises a 1-bit comparator/la...
Each modulator is implemented using 17 transistors. The second technique is a Nyquist rate multi—channel--bit—serial (MCBS) ADC. The technique uses successive comparisons to convert the pixel voltage ...
Single Pixel Test Structures for Characterization and Comparative Analysis of CMOS Image Sensors
Single Pixel Test Structures Comparative Analysis CMOS Image Sensors
2015/8/14
Single Pixel Test Structures for Characterization and Comparative Analysis of CMOS Image Sensors.
CMOS FPA with Multiplexed Pixel Level ADC.
A CMOS Area Image Sensor with Pixel-Level A/D Conversion
CMOS Area Image Sensor Pixel-Level A/D Conversion
2015/8/14
A CMOS Area Image Sensor with Pixel-Level A/D Conversion.
Analysis of Temporal Noise in CMOS Photodiode Active Pixel Sensor
CMOS APS image sensor reset noise shot noise subthreshold operation temporal noise time-domain noise analysis
2015/8/12
Temporal noise sets the fundamental limit on image sensor performance, especially under low illumination and in video applications. In a CCD image sensor, temporal noise is primarily due to the photod...
PIXEL VS OBJECT-BASED IMAGE CLASSIFICATION TECHNIQUES FOR LIDAR INTENSITY DATA
LiDAR intensity data object-based classification decision tree.
2014/6/5
Light Detection and Ranging (LiDAR) systems are remote sensing techniques used mainly for terrain surface modelling. LiDAR sensors record the distance between the sensor and the targets (range data) w...
Context-adaptive Pixel Based Prediction for Intra Frame Encoding
Context-adaptive Pixel Based Prediction Intra Frame Encoding
2010/12/21
Intra prediction is one effective method to remove the spatial redundancies in intra frame coding. Better intra prediction will result in the residual with less energy, which
will decrease the number...
A Pixel-Wise Local Information-Base Background Subtraction Approach
Pixel-Wise Local Information-Base Subtraction Approach
2010/12/17
Background subtraction is a widely used method for moving object detection in computer vision. It is usually applied in video surveillance systems. There are two major kinds of
background subtraction...