Machine Vision as an Integrated Test Resource

Machine Vision Test & Inspection Solutions

Integrated machine vision solutions for automated manufacturing test, combining cameras, vision processing and functional test systems for appearance, dimension, position, color, brightness and display inspection.

CameraLightingProduct / DUTImage ProcessingInspection ResultTest Software / Production Data
Electrical TestFunctional TestFixtureAutomation

Why Machine Vision in Automated Test Systems

When manual inspection cannot meet consistency, efficiency or automation requirements, industrial cameras or smart vision systems can replace manual checking and feed results into the test flow.

Consistent Inspection

Automated Decision

Non-contact Measurement

Production Integration

Repeatable Test Process

Vision Inspection Capability Map

Only currently supported vision inspection capabilities are listed, without expanding into 3D, laser or micron-level measurement.

Geometric Inspection

VerticalityHorizontalityDimensionSizePosition

Appearance Inspection

Appearance DefectsSurface ScratchColor DifferencePanel Inspection

LED Color & Brightness Inspection

LED Matrix ColorLED BrightnessCamera-based LED TestFCT Sequence Integration

LCD / Display Inspection

Dark PixelBright PixelColor Difference

Typical Vision Test Architecture

The vision system is not isolated equipment. Inspection results can enter the unified test flow and work together with electrical/functional test resources.
Test SoftwareTest Sequence / Image Analysis / Pass-Fail / DataVision Controller / PCCamera + LightingFixture / PositioningDUTElectrical / Functional Test Resources

Vision System Engineering

Vision inspection results do not depend only on the camera. Camera, lens, lighting, mechanical positioning, fixture, background, trigger, image processing and test sequence are usually considered together.

Display & HMI Inspection

Applicable to LCD panel, instrument display, LED matrix and HMI indicator inspection for on/off state, color, brightness, dark/bright defects and basic appearance.

Dimension & Position Measurement

Used for non-contact dimension and position judgment in production, with results used for pass/fail or automated sorting.

Surface & Appearance Inspection

Appearance inspection can be combined with barcode/ID, electrical test and final functional test in one station.

Integrated Vision + Functional Test

Standalone vision equipment only judges images. Integrated test systems can also verify electrical performance, device function, communication, load/sensor response and visual output.
Test ExecutiveElectrical MeasurementVision InspectionCommunication / ControlDUTUnified Result

Automated Inspection Workflow

From product identification to data recording, vision inspection can become a traceable step in the production test flow.
Product IdentificationFixture PositioningTrigger / IlluminationImage CaptureImage AnalysisMeasurement / ClassificationFunctional Test CorrelationPass / FailData / Traceability

Vision + Automation

Integration can be built around fixture operation, trigger, sensor coordination, part positioning, pass/fail handling and production sequence based on the automation architecture.

Vision Test Software Integration

Vision processing is a test step inside test software and can connect with operator UI, test executive, electrical, communication, fixture, result evaluation and report/traceability.

Inspection Application Matrix

Readable as cards on mobile instead of relying on an oversized table.

LED / Indicator

Vision Task: Color / Brightness / State

Test Integration: FCT

LCD / Display

Vision Task: Dark / Bright Pixel / Color

Test Integration: Functional Test

Panel / Surface

Vision Task: Scratch / Color Difference

Test Integration: Final Inspection

Mechanical Part

Vision Task: Dimension / Verticality / Horizontality

Test Integration: Automated Inspection

Manual Inspection

Operator JudgmentSubjective VariationDifficult Data RecordingDifficult Automation

Machine Vision

Repeatable InspectionAutomated ResultData IntegrationProduction Automation

Built on Complete Test Engineering

Vision inspection solutions are built on complete test engineering capabilities.

Need to integrate vision inspection into an automated test system?

onTAP can combine test software, fixtures, camera and lighting, functional test, electrical measurement, automation equipment and production data to build maintainable vision test and inspection systems.