Line Scan Camera Machine Vision Systems
Last Updated: April 1, 2025
Description
Line scan camera machine vision systems are designed to capture high-resolution images of objects as they move past the camera. These systems utilize a single line of sensor pixels to create a two-dimensional image by scanning objects line by line. This technology is particularly effective for capturing detailed images of fast-moving objects, providing high dynamic range and color fidelity.
Working Principle
Line scan cameras operate by using a linear array of sensor pixels that capture one line of an image at a time. As the object moves perpendicularly across the line of pixels, the camera continuously captures successive lines to build a complete two-dimensional image. This method allows for high-resolution imaging without the need for complex strobe lighting or shuttering systems, making it efficient for processing images of fast-moving objects. The elimination of frame overlaps in line scan cameras also enhances processing efficiency by reducing excessive data that would otherwise consume additional bandwidth.
Applications
Line scan camera systems are widely used in various industrial applications. For instance, they are employed in print and web imaging to ensure high-quality output. In the electronics industry, line scan cameras are used for PCB and electronics inspection, where they can detect defects both on and under the surface of components. Additionally, they are utilized in precision stamped parts inspection, where they ensure 100% accuracy by integrating with robotic arms to remove defective pieces during the manufacturing process.
Advantages over other Machine Vision Systems
Line scan cameras offer several advantages over area scan cameras. They provide higher resolution at a more economical price per pixel, making them cost-effective for large spatial image capture applications. The high dynamic range and better color fidelity of line scan cameras enhance image quality, while their efficient processing capabilities eliminate the need for costly strobe or shuttering setups. This results in smear-free images of fast-moving objects, which is a significant advantage in high-speed manufacturing environments.
Limitations
One of the primary limitations of line scan camera systems is the requirement for uniform and high-intensity illumination of the product scan area. This is necessary to compensate for the short line scan integration times, which can affect image quality if not properly managed. Additionally, photon shot noise can be a limiting factor for accuracy in high-speed and low-light conditions, although advancements in dual line scan camera architectures have been introduced to address this issue.
Considerations
When considering the implementation of line scan camera systems, several factors should be taken into account. Initial costs can be significant, especially when factoring in the need for specialized lighting setups. Operating expenses may also be higher due to the need for consistent maintenance of the illumination systems. However, the durability and accuracy of line scan cameras can justify these costs in applications where high-resolution imaging is critical. Replacement and maintenance costs should also be considered, as the technology requires regular calibration and potential upgrades to maintain optimal performance.
from SICK
SICK offers a powerful vision sensor portfolio designed to manage challenges in all industries where a standard sensor would not work. These vision sensors provide a full toolset for positioning, inspection, measurement and reading, depending on the variant. A flexible optical design fulfills the... [See More]
- Image Source: Line Scan Camera
- Network: 1
- System Type: Modular / PC-Based
- Applications: Assembly Quality; Color Mark / Color Recognition; Electronics or Semiconductor Inspection; Flaw Detection; Food & Beverage; Materials Analysis; Pattern Recognition; Pharmaceutical Packaging
from Cognex Corporation
In-Sight 9000 Features. The In-Sight 9000 is a rugged, ultra-high-resolution line of standalone vision systems. With its ability to acquire and process exceptionally detailed images, the In-Sight 9000 delivers high accuracy part location, measurement, and inspection over a large area —even... [See More]
- Image Source: Area Scan Camera; Line Scan Camera
- Memory: 832
- System Type: Modular / PC-Based
- Mass Storage: 14.8
from SICK
SICK's 3D vision series offers a wide range of powerful and flexible products designed for reliable operation in harsh industrial environments. They range from versatile high-speed cameras that deliver high quality 3D and contrast images to smart and configurable stand-alone sensors that facilitate... [See More]
- Image Source: Line Scan Camera
- Network: 1
- System Type: Modular / PC-Based
- Applications: Assembly Quality; Electronics or Semiconductor Inspection; Flaw Detection; Food & Beverage; Materials Analysis; Non-contact Profilometry; Pattern Recognition; Pharmaceutical Packaging
from Cognex Corporation
AI-powered 3D inspection system delivers fast deployment, ease of use, and reliability Backed by artificial intelligence, the In-Sight L38 is a next-generation 3D vision system that allows manufacturers to perform highly reliable inspections. Using a combination of powerful optics, industry-proven... [See More]
- Image Source: Line Scan Camera
- Network: TCP/IP, PROFINET, EtherNet/IP, SLMP, Modbus TCP, (S)FTP, RS-232C
- System Type: Modular / PC-Based
- Applications: Electronics or Semiconductor Inspection; Flaw Detection; ID Detection / Verification
from SICK
Highly accurate with an unmatched measurement speed, the new generation Ruler 3000 3D cameras will be the number one choice for machine vision system integrators and industrial applications. Being powered by the unique 3D CMOS sensor from SICK tailored for superior image processing, their... [See More]
- Image Source: Line Scan Camera
- Network: 1
- System Type: Modular / PC-Based
- Applications: Electronics or Semiconductor Inspection; Flaw Detection; Food & Beverage; Materials Analysis; Non-contact Profilometry; Pattern Recognition
from Cognex Corporation
The L38 with VisionPro® is a powerful 3D laser displacement sensor designed for high-speed and high-resolution inspections. Using advanced image formation technology, it creates detailed surface renderings that allow for precise measurement of critical 3D features, including length, width, height,... [See More]
- Image Source: Line Scan Camera
- Network: TCP/IP, PROFINET, EtherNet/IP, SLMP, Modbus TCP, (S)FTP, RS-232C
- System Type: Modular / PC-Based
- Applications: Electronics or Semiconductor Inspection; Flaw Detection; ID Detection / Verification
from Matrox Imaging
Matrox 4Sight X is a high-performance embedded system for image capture, processing, display and I/O that features Intel ® multi-core CPU technology and PC/104-Express ™ expansion. A small footprint and rugged construction make Matrox 4Sight X ideal for demanding industrial environments. [See More]
- Image Source: Area Scan Camera; Line Scan Camera
- Memory: 4000
- System Type: Turnkey / Complete System
- Mass Storage: 40
from NorPix, Inc.
StreamPix and TroublePix operate at their best using state of the art StreamPix Station 625 and 1250 computers. These fine tuned computers are assembled in our labs with carefully selected components that will guarantee ultimate performance as well as image recording for hours with a no frame drop... [See More]
- Image Source: Area Scan Camera; Line Scan Camera; High Speed / Brightness
- Inspection Rate: 1800
- System Type: Embedded / Vision Engine; Modular / PC-Based; Turnkey / Complete System
- Product Speed: 3
from Smartmore Corporation Limited
A 3D laser camera employs the advanced line laser technology to detect defection and output results in the level of submicron. The result comes in the form of the combination of 2D and 3D informtion. Therefore, it is often used in the field of 3D industry, automobile industry, metal detection and... [See More]
- Image Source: Line Scan Camera
- Features: AlarmAlarm or Reject Trigger
- Applications: Alignment / Guidance; Assembly Quality; Bar / Matrix Code; Biotechnology or Medical; Color Mark / Color Recognition; Container or Product Counting; Edge Detection; Electronics or Semiconductor Inspection; Electronics Rework; Flaw Detection; Gauging, Scanning & Dimensioning; Food & Beverage; ID Detection / Verification; Materials Analysis; Non-contact Profilometry; Optical Character Recognition (OCR); Parcel / Baggage Sorting; Pattern Recognition; Pharmaceutical Packaging; Presence / Absence; Production & Quality Control; Seal Integrity; Security & Biometrics; Tool & Die Monitoring
from Hikrobot Co., Ltd.
The Hikrobot Line Laser 3D Camera is engineered to deliver precise real-time point cloud data, crucial for logistics and warehousing operations. Its standout feature is a high-power laser module combined with a wide dynamic range, enabling accurate measurement of various objects, including... [See More]
- Image Source: Line Scan Camera
- Applications: Gauging, Scanning & Dimensioning; Parcel / Baggage Sorting
- System Type: Modular / PC-Based
- Modules Included: Cameras or Imagers
from Mettler-Toledo Technologies GmbH
Integrated Label and Package Inspection. The system uses a line scan camera to perform inspections on the top and bottom of a package simultaneously without additional product handling requirements. Ensure Package Seal Integrity. Inspect package seals for foreign debris, eliminating the risk of... [See More]
- Image Source: Line Scan Camera
- Number of Imagers Processed: 3
- Product Speed: 1.17
- Operating System: Windows 10 64 bit OS
from Printronix, Inc.
Detects any printer failures or material problems, ISO, Up to 4 bar codes [See More]
- Image Source: Line Scan Camera; Laser
- Inspection Rate: 100
- System Type: Modular / PC-Based
- Number of Imagers Processed: 1
from Tordivel AS
The Scorpion Color Identification system is a camera based system for color identification. Download Color Identification System – 0.9 Mbyte pdf. The system picks the best color match from a set of reference images and calculates the color coverage of the inspected item. System Description. [See More]
- Image Source: Line Scan Camera
- Applications: Color Mark / Color Recognition
- Network: RS-232, OPC and TCP/IP
- Modules Included: Cameras or Imagers; Imaging & Analysis Software
from AMETEK Surface Vision
SmartView ® Slit Inspection reliably detects, classifies, tracks and reports surface defects on both sides of multiple coil slits, even at line speeds greater than 1,000 feet per minute. The system provides complete, high-resolution surface inspection at full line speeds, delivering instant... [See More]
- Image Source: Line Scan Camera
- Applications: Flaw Detection; Web Inspection
- Product Speed: 5.08
- Modules Included: Cameras or Imagers; Imaging Illuminators; Imaging & Analysis Software
from Videojet Technologies, Inc.
The Videojet PostnetVerifier ® is a smart camera that evaluates POSTNET codes as they are printed. It helps to ensure that POSTNET bar height, spacing, clear zone, check digit and readability will meet postal standards. Combining ease of use with advanced vision technology, the PostnetVerifier... [See More]
- Image Source: Line Scan Camera
- Inspection Rate: 167
- System Type: Turnkey / Complete System
- Product Speed: 2.03
from NorPix, Inc.
NorPix can provide custom multi-camera recording systems to fit your needs. StreamPix 5. Description. 4 cameras x 60 fps. 4 cameras at 60 fps x 640 x 480 on a single laptop. 4 cameras x 80 fps. Laptop solution at 4 cameras at 80 fps x 640 x 480. 8 cameras x 90 fps. Desktop solution with 8 cameras at... [See More]
- Image Source: Area Scan Camera; Line Scan Camera; High Speed / Brightness
- Inspection Rate: 1800
- System Type: Embedded / Vision Engine; Modular / PC-Based; Turnkey / Complete System
- Product Speed: 3
from Smartmore Corporation Limited
SMore 3D camera (SMI-3DBL-400-02),it is a professional product for 3D positioning guidance and 3D measurement, and it has high precision and is also an industrial aluminum alloy shell. It is integrally formed and can meet various harsh working conditions. - Out-of-the-box: Pre-calibrated before... [See More]
- Image Source: Line Scan Camera
- Features: AlarmAlarm or Reject Trigger
- Applications: Alignment / Guidance; Assembly Quality; Bar / Matrix Code; Biotechnology or Medical; Color Mark / Color Recognition; Container or Product Counting; Edge Detection; Electronics or Semiconductor Inspection; Electronics Rework; Flaw Detection; Gauging, Scanning & Dimensioning; Food & Beverage; ID Detection / Verification; Materials Analysis; Non-contact Profilometry; Optical Character Recognition (OCR); Parcel / Baggage Sorting; Pattern Recognition; Pharmaceutical Packaging; Presence / Absence; Production & Quality Control; Seal Integrity; Security & Biometrics; Tool & Die Monitoring
from Tordivel AS
The Scorpion Laser Length Measurement system is a general purpose length measurement system. Download Laser Length Measurement System – 1MByte pdf. The system assumes that the other end of the object has a fixed position and direction during the measurement. The camera is mounted directly over... [See More]
- Image Source: Line Scan Camera; Confocal Laser
- Applications: Non-contact Profilometry
- Network: RS-232, OPC and TCP/IP
- Modules Included: Cameras or Imagers; Imaging & Analysis Software
from AMETEK Surface Vision
SmartView ® is the versatile, modular system for detecting, monitoring and reporting surface defects in products ranging from paper and plastics to steel and aluminum. Overview. he most advanced surface inspection platform available to the market, SmartView ® combines powerful software,... [See More]
- Image Source: Line Scan Camera
- Modules Included: Cameras or Imagers; Imaging Illuminators; Imaging & Analysis Software
- Applications: Flaw Detection; Web Inspection
from NorPix, Inc.
For troubleshooting applications requiring multiple cameras. Monitor a single target from various angles. StreamPix4 is compatible with multiple cameras at various speeds and resolutions. Troubleshoot your production line or analyze hardware issues by imaging. View events from multiple angles. [See More]
- Image Source: Area Scan Camera; Line Scan Camera; High Speed / Brightness
- Inspection Rate: 1800
- System Type: Embedded / Vision Engine; Modular / PC-Based; Turnkey / Complete System
- Product Speed: 3
from Smartmore Corporation Limited
High frame rate: 3fps;. - Ultra high precision: the highest repeatability of Z axis can reach 1um;. - 3D point cloud preprocessing: with multiple user-settable point cloud filtering functions;. - Support CUDA calculation acceleration: faster point cloud reconstruction speed;. - Various... [See More]
- Image Source: Line Scan Camera
- Features: AlarmAlarm or Reject Trigger
- Applications: Alignment / Guidance; Assembly Quality; Bar / Matrix Code; Biotechnology or Medical; Color Mark / Color Recognition; Container or Product Counting; Edge Detection; Electronics or Semiconductor Inspection; Electronics Rework; Flaw Detection; Gauging, Scanning & Dimensioning; Food & Beverage; ID Detection / Verification; Materials Analysis; Non-contact Profilometry; Optical Character Recognition (OCR); Parcel / Baggage Sorting; Pattern Recognition; Pharmaceutical Packaging; Presence / Absence; Production & Quality Control; Seal Integrity; Security & Biometrics; Tool & Die Monitoring
from Tordivel AS
The Scorpion Laser Profile Measurement System is a single camera 3D measurement system dedicated to the verification of object geometry and dimensions. Download Laser Profile Measurement System – 818 kbyte pdf. A junction box containing the camera and laser is placed about 60 mm from the... [See More]
- Image Source: Line Scan Camera; Confocal Laser
- Applications: Gauging, Scanning & Dimensioning; Non-contact Profilometry
- Network: RS-232, OPC and TCP/IP
- Modules Included: Cameras or Imagers; Imaging & Analysis Software
from AMETEK Surface Vision
SmartSync seamlessly brings together the advantages of the SmartAdvisor ® and SmartView ® systems for a fully integrated solution that combines the benefits of both. SmartSync customers gain the multi-camera video monitoring power of SmartAdvisor ’s synchronized system along with the... [See More]
- Image Source: Area Scan Camera; Line Scan Camera
- Modules Included: Cameras or Imagers; Imaging Illuminators; Imaging & Analysis Software
- Applications: Edge Detection (optional feature); Flaw Detection; Web Inspection