When specifying an imaging system, resolution and zoom alone do not define performance. What matters is the level of usable detail a camera can deliver at a specific distance.
A camera may offer 4K resolution and powerful optical zoom, but if it cannot provide the level of detail required for the application, those specifications have limited value. This is where DORI becomes an important technical specification.
DORI provides a standardized method for evaluating camera performance, enabling system designers and OEMs to align imaging capabilities with operational requirements.
Videology Zoom Block Cameras combine optical zoom, advanced sensor technology, and integration flexibility to deliver predictable DORI performance across a wide range of embedded and OEM imaging applications.
DORI stands for Detect, Observe, Recognize, and Identify. It is a widely adopted standard used in surveillance, defense, transportation, and industrial monitoring systems to define different levels of image detail at various distances.
The four DORI levels are:
Detect
The ability to determine the presence of a person, vehicle, or object within a scene.
Observe
The ability to monitor movement, direction, or activity without distinguishing specific characteristics.
Recognize
The ability to classify an object, such as determining whether it is a person, vehicle, or other target.
Identify
The ability to confirm the identity of a specific individual or object with a high degree of certainty.
By defining these performance levels, DORI provides a common framework for evaluating camera capabilities and comparing solutions.
Imaging requirements vary significantly between applications.
A perimeter security system may only require long range detection of potential intrusions. A traffic monitoring system may need to recognize vehicles and behaviors. An access control application may require positive identification of individuals entering a facility.
Rather than starting with resolution, focal length, or zoom specifications, system designers can begin with the operational requirement:
DORI translates these questions into measurable performance criteria, helping engineers select the most appropriate camera configuration while reducing design uncertainty.
DORI performance is directly affected by focal length and field of view.
At wide angle settings, a camera captures a larger area but distributes image pixels across a broader scene. This provides excellent situational awareness but limits long range detail.
As the lens zooms toward its telephoto position, the field of view narrows and pixel density increases on distant targets. This significantly extends detection, recognition, and identification distances.
Videology offers Zoom Block Cameras ranging from 10x to 55x optical zoom, enabling system designers to select the level of performance required for their application. These cameras support resolutions from Full HD to 4K and are available with multiple output and integration options.
The 10x Zoom Block Camera delivers detection ranges approaching 709 m (2,326 ft) and identification capability at approximately 71 m (233 ft).
Both the 10x EXSDI and the 10x LVDS models have a compact footprint. This makes 10x Videology Zoom Blocks an excellent choice for embedded systems, robotics, mobile platforms, and space constrained designs where size and integration simplicity are important considerations.
The 30x Zoom Block Camera extends detection distances to nearly 1.9 km (1.2 miles) while maintaining identification capability at approximately 188 m (617 ft).
Available in both EXSDI (Ultra Sensitive) and LVDS configurations, the 30x models provide flexibility for a wide range of OEM and embedded imaging systems while delivering a strong balance between coverage and image detail.
This combination of performance and integration flexibility supports applications such as perimeter security, industrial inspection, infrastructure monitoring, and remote observation where operators require both situational awareness and target verification.
For applications that demand maximum observation distance, Videology offers 40x and 55x Zoom Block Cameras capable of detection ranges exceeding 3.3 km (2 miles) and identification distances beyond 330 m (1,080 ft). Depending on the sensor and resolution configuration, these systems provide exceptional long range imaging performance for border monitoring, maritime surveillance, critical infrastructure protection, and wide area observation.
While DORI provides a valuable framework for predicting camera capability, actual system performance depends on several additional factors.
These include:
Videology Zoom Block Cameras address these requirements through advanced imaging technologies and integration features, including:
These capabilities help ensure that DORI performance achieved in design calculations can be translated into reliable performance in the field.
DORI specifications provide a practical and standardized method for defining imaging requirements before system deployment.
By combining DORI based performance evaluation with optical zoom, advanced sensor technology, and flexible integration options, Videology Zoom Block Cameras help OEMs and system integrators select the right imaging solution for their application.
The result is:
For organizations developing embedded vision systems, industrial monitoring solutions, transportation platforms, or security applications, DORI provides the framework and Videology provides the imaging technology to achieve predictable results.
Download the Videology Zoom Block Camera Brochure to compare DORI performance across 10x, 18x, 20x, 30x, 36x, 40x, and 55x zoom configurations, along with sensor, output, and integration specifications.
For information about the Videology Zoom Block Cameras, including samples, technical details, and purchasing options, please use the form below to contact your Regional Sales Manager.