A thermionic trigger

Schmitt, Otto H.

doi:10.1088/0950-7671/15/1/305

Cited by 199 publications

(77 citation statements)

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“…In this work we have adapted the algorithms described in [6], but briefly, a hysteresis threshold inspired by the Schmitt Trigger [9] was used to segment the Artemia larvae into objects. A low threshold discarded the background and a high threshold identified those regions that corresponded to foreground (i.e.…”

Section: Movement Analysismentioning

confidence: 99%

Microfluidic environment and tracking analysis for the observation of Artemia Franciscana

Solís-Lemus¹,

Huang²,

Wlodkovic³

et al. 2015

Procedings of the Machine Vision of Animals and Their Behaviour Workshop 2015

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The movement of small animals in well-defined environments is increasingly used in ecotoxicology as a sensitive indicator of water contamination with toxicants. This work describes a framework for the analysis of Artermia franciscana within miniaturised chambers. This work combines: (a) a proof-ofconcept miniaturised Lab-on-a-Chip (LOC) platform where any changes in swimming patterns exhibited by Artemia franciscana can be related to the toxicity of the environment with (b) a pipeline of image processing steps for the movement analysis of video sequences of test specimens. The analysis pipeline is semiautomatic as it allows a user to define a region of interest and confirm intensity levels that are used for two-level hysteresis segmentation. Tracking is automatic, and a large number of statistical measurements and visualisation tools are provided. In addition, proofreading tools for validation of tracks are provided to link, break or delete tracks. The software consists of Matlab® m-files and is available in the website

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Section: Movement Analysismentioning

confidence: 99%

Microfluidic environment and tracking analysis for the observation of Artemia Franciscana

Solís-Lemus¹,

Huang²,

Wlodkovic³

et al. 2015

Procedings of the Machine Vision of Animals and Their Behaviour Workshop 2015

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“…We use two techniques to combat the noise. First, our system employs a Schmitt trigger with two different thresholds [7]. Only when the motion falls below a low threshold (rises above a high threshold) is a low-motion (high-motion) interval declared.…”

Section: Client On the Phonementioning

confidence: 99%

Streaming mobile augmented reality on mobile phones

Chen¹,

Tsai²,

Vedantham

et al. 2009

2009 8th IEEE International Symposium on Mixed and Augmented Reality

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Continuous recognition and tracking of objects in live video captured on a mobile device enables real-time user interaction. We demonstrate a streaming mobile augmented reality system with 1 second latency. User interest is automatically inferred from camera movements, so the user never has to press a button. Our system is used to identify and track book and CD covers in real time on a phone's viewfinder. Efficient motion estimation is performed at 30 frames per second on a phone, while fast search through a database of 20,000 images is performed on a server.

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“…On the receive side, a similar current limiting resistor and high-pass network protects the active components from direct connection to otherwise potentially damaging signals. A DC-coupled linear amplifier boosts the signal, then a Schmitt trigger [28] (comparator with hysteresis) squares up the signal and raises it to logic levels suitable for the RxD input of the UART. Current limiting resistors should be chosen with values that are not too overspecified, since lower values are likely to result in better noise performance and higher achievable data rates.…”

Section: Discovery Probe Circuitsmentioning

confidence: 99%

Dynamic Testing and Automatic Repair of Reconfigurable Wiring Harnesses

Thompson¹,

Mycroft²

2006

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A thermionic trigger

Cited by 199 publications

References 0 publications

Microfluidic environment and tracking analysis for the observation of Artemia Franciscana

Microfluidic environment and tracking analysis for the observation of Artemia Franciscana

Streaming mobile augmented reality on mobile phones

Dynamic Testing and Automatic Repair of Reconfigurable Wiring Harnesses

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