Imaging & Sensing Technologies

Advanced industrial imaging and sensing technologies for inspection, measurement, and identification.

LM3 Technologies utilizes a broad range of industrial imaging and sensing technologies to capture critical information about manufactured components, assemblies, and production processes. These technologies provide the foundation for automated inspection, dimensional verification, and intelligent manufacturing systems.

From high-resolution optical cameras to 3D laser profilers and thermal sensors, our technology portfolio supports applications requiring precise visual analysis, geometric measurement, and identification across diverse materials and manufacturing environments.

3D Vision & Laser Profiling

Non-contact 3D measurement of surface geometry, dimensional features, and spatial characteristics.

Three-dimensional vision and laser profiling technologies provide precise spatial and geometric information beyond conventional 2D imaging. These systems acquire depth, height, contour, and profile data for evaluating manufactured components against defined dimensional and positional requirements.

LM3 utilizes laser triangulation, depth cameras, and 3D sensing technologies for applications requiring surface measurement, feature localization, geometric verification, and robot guidance.

How it Works

A laser profiler projects a thin laser line across a component’s surface while an integrated camera captures the reflected light from an offset angle. Using laser triangulation, the sensor calculates variations in height and surface geometry based on the position of the reflected line.

As the component or sensor moves, successive profiles are combined to generate a detailed 3D height map. This data enables precise dimensional measurement, surface analysis, feature verification, and defect detection.

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SICK

KEYENCE

COGNEX

3D Data Visualization & Measurement

Industrial 3D sensing technologies generate detailed geometric data that can be visualized and analyzed for dimensional verification, surface inspection, and feature measurement.

Height & Step Measurement

Measure surface elevations, step heights, and dimensional differences.

Gap & Flush Inspection

Evaluate spacing, alignment, and height deviations between adjacent features.

Surface Profiling

Analyze contours, curvature, and geometric profiles.

Flatness & Deformation

Identify warpage, bowing, and deviations from nominal geometry.

Feature Measurement

Verify edges, openings, widths, and critical feature positions.

Geometric Defect Detection

Identify missing material, excessive material, and surface irregularities.

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Applications

Explore Deployed Solutions

Dimensional Inspection

Electronics Inspection

Metal Forming

Molded Parts

Fixture Alignment

Flatness & Deformation

2D Machine Vision

High-Resolution Optical Imaging for Industrial Applications

Two-dimensional machine vision technologies provide detailed visual information for automated inspection, identification, and measurement in manufacturing environments. These systems capture high-resolution monochrome or color images to evaluate surface conditions, component presence, orientation, and visible geometric features.

LM3 utilizes industrial cameras, smart cameras, specialized optics, and controlled illumination to support reliable image acquisition across a wide range of materials, components, and production processes.

Industrial Image Acquisition

Industrial 2D vision systems utilize high-resolution cameras and specialized optical configurations to capture detailed images of manufactured components under controlled production conditions.

Camera resolution, field of view, exposure, frame rate, and acquisition timing are configured according to the application, allowing systems to capture everything from fine surface details to large, complex assemblies.

Through synchronized triggering, multi-camera acquisition, and adaptable imaging architectures, 2D vision technologies provide consistent visual data for downstream inspection, measurement, and identification.

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Optical Configuration & Performance

Industrial imaging performance depends on selecting the appropriate camera and optical configuration for the required inspection area, feature size, component geometry, and production conditions.

Resolution & Field of View

Balance image resolution and inspection coverage to capture critical features with sufficient detail.

Lens Selection & Magnification

Utilize specialized lenses and optical configurations to achieve the required image scale, sharpness, and geometric accuracy.

Depth of Field

Maintain image clarity across variations in component height, surface geometry, and positioning.

Color & Monochrome Imaging

Select imaging sensors based on color differentiation, contrast sensitivity, and required feature visibility.

Working Distance

Accommodate component dimensions, equipment clearances, and installation constraints through appropriate camera positioning and optics.

Image Acquisition Speed

Optimize exposure, frame rate, and triggering to capture consistent images at production speeds.

Industrial Imaging Architectures

Fixed-Mount Imaging

Stationary camera configurations provide consistent image acquisition across defined inspection regions and repeatable component positions.

Multi-Camera Imaging

Multiple cameras capture different surfaces, features, and viewpoints simultaneously, expanding inspection coverage across complex components & assemblies.

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Robot-Mounted Imaging

Cameras integrated with robotic systems enable dynamic image acquisition across multiple inspection positions, orientations, and component geometries.

Motion-Synchronized Imaging

Coordinated camera triggering and acquisition enable reliable imaging of moving components, conveyor-based processes, and automated production sequences.

Traditional Vision

Rule-Based Image Processing, Measurement & Inspection Programming

Traditional machine vision utilizes established image-processing algorithms and programmable inspection tools to evaluate manufactured components against defined criteria. These methods enable reliable feature detection, dimensional measurement, component verification, and identification without requiring trained AI models.

LM3 develops traditional vision applications using NI Vision Builder for Automated Inspection (VBAI), Keyence, SICK, Cognex, and other industrial vision programming environments. Our capabilities span individual smart-camera inspections, multi-camera processing, and integration with automated manufacturing equipment.

Industrial Vision Programming Platforms

LM3 develops rule-based inspection programs using NI VBAI, SICK Nova, Cognex In-Sight, and KEYENCE software. These platforms enable feature detection, measurement, and automated inspection using configurable tools and defined acceptance criteria.

VBAI

SICK NOVA

COGNEX INSIGHT

KEYENCE VISION EDITOR

Traditional Vision Tools & Capabilities

Programmable image-processing tools for precise, repeatable industrial inspection.

Pattern Matching

Locate and identify features regardless of position or orientation.

Edge Detection & Gauging

Detect edges and measure distances, widths, diameters, and angles.

Blob Analysis

Identify, count, and measure objects based on shape, size, and area.

Color & Intensity Analysis

Evaluate color values, brightness, and contrast against defined thresholds.

Image Processing & Filtering

Apply thresholding, morphological operations, and filters to isolate features.

Geometric Measurement

Calculate feature positions, dimensional relationships, and geometric tolerances.

Presence & Absence

Verify component presence, missing features, and assembly completeness.

OCR & Identification

Read printed characters, verify markings, and decode industrial identifiers.

Rule-Based Defect Detection

Detect visual irregularities using programmed measurements and acceptance limits.

Thermal Vision

Infrared Imaging for Temperature Monitoring & Process Inspection

Thermal imaging reveals surface-temperature patterns that are not visible through conventional imaging. It provides non-contact information for identifying thermal differences and monitoring manufacturing conditions.

Technology in Development

LM3 is actively developing thermal inspection solutions that are approaching their first production deployments. These solutions are being developed to combine infrared imaging with application-specific analysis, industrial controls, and production data management.

Our objective is to make thermal information actionable within manufacturing workflows—from evaluating temperature conditions to generating inspection results and supporting process decisions. As these systems progress toward deployment, application-specific testing and validation will establish their operating limits, measurement performance, and suitability for production use.

OCR & Scanning

Automated Text Recognition & Industrial Identification

LM3 combines optical character recognition, industrial code readers, and scanning technologies to identify products, verify markings, and capture production information. Applications include reading printed labels, laser-marked identifiers, serial numbers, and date codes on manufactured components and packaging.

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Fixed-Mount Readers

Handheld Scanners

Wearable Scanners

Vision-Based Recognition

Optical Character Recognition

Character Verification

1D Barcode Reading

2D Code Reading

Direct Part Mark Reading

Serial, Lot & Date Codes

Identification Within Production

Captured text and codes can be checked against expected identifiers and associated with inspection results. Within PAQi-based systems, barcode information can establish part identity, select the appropriate inspection routine, and link captured images to a serial number.