Camera Placement

Camera placement is the deliberate positioning of one or more cameras to capture behavior accurately while minimizing blind spots, obstruction, and effects on the subjects. In behavioral research, researchers select camera height, viewing angle, distance, and field of view so recorded images preserve relevant movements and interactions; overlapping views can help document events that a single camera might miss. Careful placement supports reliable observation, behavioral coding, and comparison across trials or environments. It is useful in studies of animal activity, human movement, social interactions, and responses to experimental conditions, where consistent video records improve measurement, reproducibility, and interpretation.

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Education

JoVE Science Education - Clinical Skills

Arterial Line Placement

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2023

Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.

Intraosseous Needle Placement

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2023

Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small...

Research

JoVE Journal - Biochemistry

RGBradford: Protein Quantitation with a Smartphone Camera

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Cited by 1 •

2023

This paper provides a protocol for protein quantification using the Bradford assay and a smartphone as an analytical device. Protein levels in samples can be quantified using color data extracted from a picture of a microplate taken with a smartphone.

Dynamic Navigation for Dental Implant Placement

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Cited by 9 •

2022

Dynamic computer-aided implant surgery (DCAIS) is a controlled implant surgical placement method performed without a surgical template using optical control. The real-time intraoperative control of movement and position of the surgical device simplifies the procedure and gives more freedom to the surgeon, providing similar precision as static navigation methods.

A Retrograde Implantation Approach for Peritoneal Dialysis Catheter Placement in Mice

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Cited by 1 •

2022

This article describes modifications of a procedure to implant a peritoneal dialysis catheter in a murine model to avoid major technical issues observed with the conventional techniques.

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