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Challenges posed to PTZ cameras

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Pan-tilt-zoom (PTZ) cameras are widely used in outdoor environments for their ability to provide extensive coverage and the flexibility to zoom in for greater detail during security incidents. However, they often face challenges like vibrating environments, complex scenes, and weather conditions, which can affect their image quality, usability, and lifespan. Discover how Hikvision's unique PTZ technologies overcome these challenges, setting them apart from the competition.

 

Technologies for superior imaging

 

OIS and GIS for vibration-free footage

 

Challenge: Wind, vibrations, and movement on poles or bridges can lead to blurred footage, especially at high zoom levels.

Solution: Hikvision’s PTZ cameras integrate Optical Image Stabilization (OIS) and Gyro Image Stabilization (GIS) technologies to counteract vibrations. The system detects motion and compensates in real time, ensuring stable and clear footage, even under challenging conditions.

 

Use Case: Installed on a suspension bridge, the camera maintains crystal-clear imagery despite vibrations caused by heavy traffic and high winds.

 

 

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  • Dual defog technologies to see through the mist

    Challenge: Poor visibility due to fog can severely hinder monitoring efforts, especially in large open areas like industrial sites.

    Solution: Hikvision’s PTZ cameras offer two levels of defogging:

    • Algorithmic Defogging: Enhances visibility by processing lighter fog through digital algorithms, maintaining full-color video.
    • Optical Defogging: When fog is dense, the camera switches to infrared and black-and-white mode, ensuring clear images.

  • Use Case: A harbor uses PTZ cameras with dual defogging to monitor its perimeter 24/7, regardless of weather conditions.

  • Dual defog technologies to see through the mist

     
    Challenge: Poor visibility due to fog can severely hinder monitoring efforts, especially in large open areas like industrial sites.

     

    Solution: Hikvision’s PTZ cameras offer two levels of defogging:
    · Algorithmic Defogging: Enhances visibility by processing lighter fog through digital algorithms, maintaining full-color video.
    · Optical Defogging: When fog is dense, the camera switches to infrared and black-and-white mode, ensuring clear images.

     

    Use Case: A harbor uses PTZ cameras with dual defogging to monitor its perimeter 24/7, regardless of weather conditions.

Innovations for greater performance

 

Get instant clarity while zooming 

 

Challenge: Zooming in on remote objects often leads to delays in focusing.

Solution: Hikvision’s Rapid Focus technology leverages a pre-built 3D model of the camera’s surroundings. This enables the system to calculate precise coordinates and zoom ratios in advance, drastically reducing the time required to focus on any specific point in the scene.

 

Use Case: Security teams at airports benefit from instant focus adjustments when identifying critical events across large areas.

 

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  • Challenge: Keeping up with a specific vehicle in crowded areas is a challenge for operators.

    Solution: Hikvision’s Auto Tracking 3.0 technology allows a PTZ camera to automatically identify, lock on, and follow a specific vehicle. With Automatic Number Plate Recognition (ANPR), the system can track a vehicle, even if it is briefly obstructed, ensuring continuous coverage.

  • Use Case: A chemical park uses this technology to monitor trucks transporting hazardous materials to ensure they follow the designated entrances and routes.

  • Keeping track of moving objects

  • Challenge: Keeping up with a specific vehicle in crowded areas is a challenge for operators.
    Solution: Hikvision’s Auto Tracking 3.0 technology allows a PTZ camera to automatically identify, lock on, and follow a specific vehicle. With Automatic Number Plate Recognition (ANPR), the system can track a vehicle, even if it is briefly obstructed, ensuring continuous coverage.
     
    Use Case: A chemical park uses this technology to monitor trucks transporting hazardous materials to ensure they follow the designated entrances and routes.

  • Keeping track of moving objects

 

Getting smart, dual views at the same time

 

Challenge: When zooming in on specific objects, conventional PTZ cameras often lose track of previously covered areas. 

Solution: Hikvision’s TandemVu PTZ camera integrates multiple lenses to provide panoramas and zoomed-in details simultaneously. The innovative Smart Linkage technology ensures that when an object is detected in the panoramic view, the PTZ lens can automatically activate to track and identify it. This innovative dual-view feature allows users to respond to events while keeping the complete view.

 

 

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  • Use Case: A parking lot security guard monitors the entire lot while simultaneously zooming in on a suspicious vehicle.

  • Use Case: parking lot security guard monitors the entire lot while simultaneously zooming in on a suspicious vehicle.
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  • Dual-Track Slip Ring for extended pan-tilt

     

    Challenge: Frequent rotations can wear out mechanical components, reducing camera lifespan.

    Solution: Hikvision’s Dual-Track Slip Ring technology provides enhanced durability, with one track serving as a backup if the other is damaged. Gold-plated tracks further improve wear resistance, ensuring up to 10 years of reliable performance.

    Use Case: Outdoor PTZ cameras at an industrial facility operate continuously in harsh conditions without requiring frequent maintenance.

  • Dual-Track Slip Ring for extended pan-tilt

     
    Challenge: Frequent rotations can wear out mechanical components, reducing camera lifespan.
    Solution: Hikvision’s Dual-Track Slip Ring technology provides enhanced durability, with one track serving as a backup if the other is damaged. Gold-plated tracks further improve wear resistance, ensuring up to 10 years of reliable performance.
     

  • Use Case: Outdoor PTZ cameras at an industrial facility operate continuously in harsh conditions without requiring frequent maintenance.

 

Smart Pan-Tilt Correction to prevent lens drift

 

Challenge: Long-term operations or external impact can cause the camera’s lens to drift, compromising precision of coverage.

Solution: The Smart Pan-Tilt Correction technology automatically detects and corrects any direction drift, ensuring that the camera stays aligned with its intended monitored area.

 

 

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  • Use Case: A high-rise building uses Smart Pan-Tilt Correction to ensure consistently accurate coverage of its perimeter without the need of manual recalibration.

  • Use Case: A high-rise building uses Smart Pan-Tilt Correction to ensure consistently accurate coverage of its perimeter without the need of manual recalibration.

Where to use these advanced PTZ technologies?

Perimeters

City intersections

Public squares

Expressways

Outdoor parking lots

Perimeters

 

Perimeters

 

Bottlenecks

Conventional solutions require several cameras to cover an entire perimeter. Management quickly becomes overly complex. With false alarms triggered by swaying leaves or scurrying animals, these systems are costly and inefficient.

 

Solutions

A single Hikvision PTZ Camera covers a wide area and features longer IR distances and larger zoom ratios. They detect humans and vehicles with AcuSense technology. Moreover, automated visual and auditory warnings are powerful tools to keep trespassers away.

 

 

Perimeters

 

City intersections

 

Bottlenecks

With conventional solutions, one intersection used to require at least 4 cameras for complete coverage. And even after installing a conventional PTZ camera at an intersection, zooming in means losing the big picture.

 

Solutions

With a TandemVu PTZ, bullet and PTZ lenses can work together to track a target. The bullet lenses secure the panoramic view when the PTZ lens zooms, pans, or tilts. The perfect low-light imaging of the PTZ ensures easy recognition and recording of a vehicle’s color even at night.

 

 

Perimeters

 

Public squares

 

Bottlenecks

Public squares have no specific entrances or exits, and the entire area must be constantly monitored. Conventional cameras cannot provide sufficient coverage or adequate zoom ratios to get all the necessary details.

 

Solutions

The bullet lens of a TandemVu PTZ can monitor an entire square while the PTZ lens focuses on details as it rotates and zooms. Security personnel can manually draw a frame in the bullet lens image, and then tap the zoom-in power of the PTZ lens to quickly obtain the details of the scene.

 

 

Perimeters

 

Expressways

 

Bottlenecks

Covering the length of an entire highway with conventional security cameras is an enormous installation. And, conventional cameras can hardly track vehicles at high speeds or capture key information in poor light.

 

Solutions

One TandemVu PTZ camera accomplishes the tasks of multiple conventional cameras. Its bullet lens can monitor multiple lanes on an expressway, while the PTZ lens tracks fast-moving vehicles to obtain information like plate numbers and vehicle type, even at night.

 

 

Perimeters

 

Outdoor parking lots

 

Bottlenecks

In addition to safety-related monitoring, parking lot administrators also need to know the operating conditions in a lot. This is not easy with conventional solutions, especially when the whole scene must remain in view while zooming in for details.

 

Solutions

A TandemVu PTZ’s bullet lens can help the parking lot administrator understand the overall parking lot status and the distribution of vacant spaces. Its PTZ lens, on the other hand, tracks incoming and outgoing vehicles, and performs detailed monitoring of targets when incidents occur.

 

 

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