A Dual Pixeltype Array For Imaging And Motion Centroid Localization

• doi: 10.1109/JSEN.2002.806894
• title: A dual pixel-type array for imaging and motion centroid localization
• publisher: IEEE
• isbn:
• issn: 2379-9153
• rank: 1049
• access_type: LOCKED
• content_type: Journals
• abstract: An imager chip has been designed, fabricated, and tested having two unique pixel types interleaved on the same array. The dual-pixel design enables optimization for two separate tasks. One type of pixel is an active pixel sensor (APS), which is used to produce a low-noise image. The other type is a custom-designed pixel optimized for computing the centroid of a moving object in the scene. The APS array is 120 columns /spl times/36 rows, with a pixel size of 14.7/spl times/14.7 /spl mu/m. The centroid array has 60 columns and 36 rows, with a larger pixel size of 29.4/spl times/29.4 /spl mu/m. The chip was fabricated using standard scalable rules on a 0.5 /spl mu/m 1P3M CMOS process. APS images were taken at a frame rate of 30 fps-8300 fps and centroid data was taken at a rate of 180-3580 (x,y) coordinates per second. The chip consumed 2.6 mW.
• article_number: 1178167
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1178167
• html_url: https://ieeexplore.ieee.org/document/1178167/
• abstract_url: https://ieeexplore.ieee.org/document/1178167/
• publication_title: IEEE Sensors Journal
• conference_location:
• conference_dates:
• publication_number: 7361
• is_number: 26461
• publication_year: 2002
• publication_date: Dec. 2002
• start_page: 529
• end_page: 548
• citing_paper_count: 15
• citing_patent_count: 6
• download_count: 309
• insert_date: 20030219
• index_terms:
  • ieee_terms:
    • Optical imaging
    • Image quality
    • Image sensors
    • Intelligent sensors
    • Charge coupled devices
    • Circuits
    • Layout
    • CMOS process
    • Smart pixels
    • CMOS image sensors
  • dynamic_index_terms:
    • Frame Rate
    • Objects In The Scene
    • Sensor Pixel
    • Types Of Pixels
    • Image Chips
    • Light Intensity
    • Image Quality
    • Circuitry
    • Noise Sources
    • Light Levels
    • Light Changes
    • Shot Noise
    • Poisson Noise
    • Pixel Array
    • Noise Figure
    • Total Noise
    • Centroid Position
    • Inverter Output
    • Shift Register
    • Reset Voltage
    • Photocurrent Increases
    • Far Point
    • Pixel Column
    • Bulk Effects
    • Switching Transistors
    • Temporal Noise
    • Voltage-gated
    • Gate Voltage
    • Current Source
    • Current Regulations
    • Thermal Noise
    • Current Noise
• authors:
  • Author Name: M.A. Clapp
    Affiliation: Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, USA
    Author URL: https://ieeexplore.ieee.org/author/38274910900
    ID: 38274910900
    Order: 1
    Author Affiliations:
    • Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, USA
  • Author Name: Ralph Etienne-Cummings
    Affiliation: Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, USA
    Author URL: https://ieeexplore.ieee.org/author/37087990085
    ID: 37087990085
    Order: 2
    Author Affiliations:
    • Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD, USA

Image Sensor

• sensor_type: CMOS
• resolution: 120x36 and 60x36
• dynamic_range: 68 dB
• pixel_size: 50x57 micrometres
• dark_current: Not specified

Optical Data

• focal_length: Not specified
• aperture: Not specified
• field_of_view: Not specified
• distortion: Not specified

Performance Metrics

• frame_rate: 30fps - 8300fps for APS, 180 - 3580 coordinates per second for centroid tracking
• signal_to_noise_ratio: 68 dB
• power_consumption: 2.6 mW
• noise: 552 electrons (total noise from APS)

Applications & Benefits

• cell_imaging: Useful for medical imaging and surgical applications, allowing for tracking of moving objects with precision.
• benefits: Low power consumption, integration of imaging and processing, real-time centroid tracking capabilities.

Supporting Organizations

• supported_by: NSF ECR, Johns Hopkins University

Manuscript Details

• publication_date: Dec. 2002

Relevancy Score

• score: 10
• missing_fields:
  • focal_length
  • aperture
  • field_of_view
  • distortion
  • sensitivity
  • shutter_speed

Processed JSON Filename

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