A Cmos Focalplane Motion Sensor With Bjtbased Retinal Smoothing Network And Modified Correlationbased Algorithm

• doi: 10.1109/JSEN.2002.807774
• title: A CMOS focal-plane motion sensor with BJT-based retinal smoothing network and modified correlation-based algorithm
• publisher: IEEE
• isbn:
• issn: 2379-9153
• rank: 590
• access_type: LOCKED
• content_type: Journals
• abstract: This work presents and implements a CMOS real-time focal-plane motion sensor intended to detect the global motion, using the bipolar junction transistor (BJT)-based retinal smoothing network and the modified correlation-based algorithm. In the proposed design, the BJT-based retinal photoreceptor and smoothing network are adopted to acquire images and enhance the contrast of an image while the modified correlation-based algorithm is used in signal processing to determine the velocity and direction of the incident image. The deviations of the calculated velocity and direction for different image patterns are greatly reduced by averaging the correlated output over 16 frame-sampling periods. The proposed motion sensor includes a 32/spl times/32 pixel array with a pixel size of 100/spl times/100 /spl mu/m/sup 2/. The fill factor is 11.6% and the total chip area is 4200/spl times/4000 /spl mu/m/sup 2/. The DC power consumption is 120 mW at 5 V in the dark. Experimental results have successfully confirmed that the proposed motion sensor can work with different incident images and detect a velocity between 1 pixel/s and 140,000 pixels/s via controlling the frame-sampling period. The minimum detectable displacement in a frame-sampling period is 5 /spl mu/m. Consequently, the proposed high-performance new motion sensor can be applied to many real-time motion detection systems.
• article_number: 1178168
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1178168
• html_url: https://ieeexplore.ieee.org/document/1178168/
• abstract_url: https://ieeexplore.ieee.org/document/1178168/
• publication_title: IEEE Sensors Journal
• conference_location:
• conference_dates:
• publication_number: 7361
• is_number: 26461
• publication_year: 2002
• publication_date: Dec. 2002
• start_page: 549
• end_page: 558
• citing_paper_count: 11
• citing_patent_count: 0
• download_count: 222
• insert_date: 20030219
• index_terms:
  • ieee_terms:
    • Retina
    • Smoothing methods
    • Signal processing algorithms
    • Motion detection
    • Sensor arrays
    • Pixel
    • CMOS image sensors
    • Signal design
    • Algorithm design and analysis
    • Photoreceptors
  • dynamic_index_terms:
    • Motion Detection
    • Motion Sensors
    • Retinal Network
    • Correlation-based Algorithm
    • Image Contrast
    • Image Pattern
    • Global Motion
    • Bipolar Transistor
    • Bipolar Junction Transistor
    • Collector Current
    • Real-time Motion
    • Sampling Rate
    • Sampling Period
    • Error Probability
    • Inverter
    • Direction Of Motion
    • Photocurrent
    • Hardware Implementation
    • Central Pixel
    • High Dynamic Range
    • Clock Rate
    • Clock Speed
    • Processor Speed
    • Angular Deviation
    • Angular Difference
    • Motion Displacement
    • Previous Frame
    • Noise Immunity
    • Pixel In Direction
    • Pixels In Each Direction
    • Shift Register
    • Peripheral Circuits
    • CMOS Process
    • Displacement Activity
    • Software Implementation
    • Time Delay
• authors:
  • Author Name: Chung-Yu Wu
    Affiliation: National Chiao Tung University, Hsinchu, Taiwan
    Author URL: https://ieeexplore.ieee.org/author/37086971486
    ID: 37086971486
    Order: 1
    Author Affiliations:
    • National Chiao Tung University, Hsinchu, Taiwan
  • Author Name: Kuan-Hsun Huang
    Affiliation: National Chiao Tung University, Hsinchu, Taiwan
    Author URL: https://ieeexplore.ieee.org/author/37087552107
    ID: 37087552107
    Order: 2
    Author Affiliations:
    • National Chiao Tung University, Hsinchu, Taiwan

Image Sensor

• sensor_type: CMOS
• resolution: 32x32 pixels
• dynamic_range: Not explicitly mentioned
• pixel_size: 100x100 µm
• dark_current: Not explicitly mentioned

Optical Data

• focal_length: Not explicitly mentioned
• aperture: Not explicitly mentioned
• field_of_view: Not explicitly mentioned
• distortion: Not explicitly mentioned

Performance Metrics

• frame_rate: Not explicitly mentioned
• signal_to_noise_ratio: Not explicitly mentioned
• sensitivity: Not explicitly mentioned
• shutter_speed: Not explicitly mentioned
• power_consumption: 120 mW
• noise: Not specified, but mentioned as noise immunity enhanced by current-input CMOS Schmitt trigger

Applications & Benefits

• cell_imaging: The proposed motion sensor is suitable for applications in real-time motion detection systems, image stabilization, ego motion detection, and optical mice.
• benefits: High dynamic range, contrast enhancement, and noise immunity.

Supporting Organizations

• supported_by: National Science Council, R.O.C.

Manuscript Details

• publication_date: Dec. 2002

Relevancy Score

• score: 8
• missing_fields:
  • quantum_efficiency
  • readout_speed
  • temporal_noise
  • fixed_pattern_noise
  • analog_to_digital_conversion
  • microlenses
  • on_chip_colour_filters
  • global_or_rolling_shutters
  • backside_illumination

Processed JSON Filename

request_2c62ea85-c1d8-47d0-98a0-a60852b6a19b-a_cmos_focalplane_motion_sensor_with_bjtbased_retinal_smoothing_network_and_modified_correlationbased_algorithm.json