Digital Video Recorder
Digital Video Recorder - Related Videos
11:34
High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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Cited by 9 •
2013
This video describes the fundamentals of digital fringe projection techniques, which provide dense 3D measurements of dynamically changing surfaces. It also demonstrates the design and operation of a high-speed binary defocusing system based on these techniques.
06:13
Assessing a Functional Neuromuscular Junction Via Simultaneous Optical Stimulation and Video Recording
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2025
This video demonstrates a method to assess functional neuromuscular junctions. Using a bioreactor containing muscle tissue and motor neurons, along with fluorescent microscopy, the light-sensitive channels in the neurons are stimulated to generate electrical signals, causing muscle fiber contractions.
16:21
Quantifying Fish Swimming Behavior in Response to Acute Exposure of Aqueous Copper Using Computer Assisted Video and Digital Image Analysis
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Cited by 29 •
2016
Measuring the impacts of environmental contaminants on fish behavior is often subjective and challenging particularly when dealing with sublethal endpoints. We describe methods including video technology to quantify swimming behavior of early life stage white sturgeon (Acipenser transmontanus) during and after 96 hr acute exposures to various concentrations of copper.
09:43
Video-oculography in Mice
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Cited by 24 •
2012
Video-oculography is a very quantitative method to investigate ocular motor performance as well as motor learning. Here, we describe how to measure video-oculography in mice. Applying this technique on normal, pharmacologically-treated or genetically modified mice is a powerful research tool to explore the underlying physiology of motor behaviors.
07:28
Web-based Clinician Guide to Record Compatible Video of Standardized Drinking Task Kinematics for Computer Vision Analysis
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2025
Kinematic metrics of the drinking task have been recommended for use in upper limb stroke rehabilitation, but conventional approaches to kinematic studies are considered impractical. The current protocol describes a web-based guide to capture videos of the drinking task, which are compatible with computer vision to extract recommended kinematic metrics.
FAQs
The system converts camera signals into digital data before saving them to local storage, allowing footage to remain available for later retrieval. Continuous recording creates an ongoing visual record, while scheduled or motion-triggered modes limit recording to selected times or detected activity. These options help researchers balance observation coverage against available storage capacity during extended environmental monitoring.
They control when video is saved, which helps manage recording time and storage requirements. Scheduled recording can focus observations on selected periods, while motion-triggered recording can limit footage to times when activity occurs. This flexibility is useful in wildlife monitoring and habitat surveys because it supports longer deployments without requiring continuous human observation or immediate field attendance.
Time-stamped footage links visual evidence to specific points in an observation period. Researchers can use that timing to review when environmental events occurred and connect recorded activity with the broader monitoring schedule. As a result, the video provides more than imagery alone: it creates an organized record that can support assessment, comparison, and conservation planning.
A basic workflow begins by capturing camera signals, encoding them as digital data, and saving the results on local storage. Researchers can then select continuous, scheduled, or motion-triggered recording according to the observation goal and storage capacity. After deployment, they retrieve the stored footage for review, using the visual record to examine wildlife, habitat conditions, equipment status, or site events.
A DVR is useful when researchers need visual observations over extended periods or at locations that are difficult to visit repeatedly. Wildlife monitoring and habitat surveys can benefit from recorded evidence collected without constant human presence. The system also supports observation of remote or hazardous sites, where reducing routine field access makes data collection more practical.
Recorded video supplies time-stamped evidence that researchers can review after an observation period rather than relying only on direct, real-time inspection. This supports data-driven assessment of environmental events, wildlife activity, habitat conditions, or equipment status. By extending observation periods and reducing repeated field visits, the resulting record can contribute to better-informed conservation planning.