The Small 1x1 of Machine Vision
What is Industrial Machine Vision?
Machine Vision: Key Enabler for Automated Quality and Control
Machine vision systems are not just cameras. They are intelligent solutions that bring together hardware, software, and deep application expertise. As the leading global enabler in machine vision, STEMMER IMAGING delivers more than components - we help you implement complete, scalable, and robust vision systems tailored to your process.
How Does an Industrial Vision System Work?
An industrial vision system combines several building blocks that must work together seamlessly:
The right selection and combination of these elements is critical – and depends entirely on the task, speed, accuracy and process requirements.
Where Machine Vision Delivers Value
Business Benefits of Machine Vision Systems
Consistent 100% in-line quality inspection
Reduction in false rejects, scrap, and rework
Improved traceability through visual process documentation
Less operator dependency in inspection-critical processes
Automated decision-making based on real-time data
What Machine Vision Systems Do
Industrial machine vision is built around four core task types. Each places different demands on the system - in terms of hardware, software, speed, and accuracy. Most production deployments combine more than one.
Automated Inspection
Automated visual inspection is the most widely deployed machine vision task. Vision systems check for surface defects, assembly errors, dimensional deviations, and print or label accuracy at full line speed - delivering consistent, objective results across every part, every shift. Inspection replaces or augments manual checking wherever speed, repeatability, or environmental conditions make human inspection impractical.
Measurement
Vision systems perform precise dimensional measurement directly in the production flow - without contact and without stopping the line. Length, diameter, gap, flatness, angle, and volume can all be measured at sub-millimetre accuracy. Results feed directly into process control, SPC systems, and quality records.
Identification
Cameras read barcodes, data matrix codes, QR codes, and OCR text to track parts and products through production, logistics, and packaging. Vision-based identification connects physical objects to digital records - enabling traceability, serialisation, sorting, and compliance documentation at production speed.
Guidance
Machine vision systems provide the spatial data that robots and automated handling equipment need to locate, orient, and manipulate parts reliably. Applications include bin picking, pick-and-place, seam tracking in welding, and assembly verification. Vision-guided systems adapt to position variation in real time, reducing the need for precise part presentation fixtures.
FAQ
What is industrial machine vision?
Industrial machine vision is the use of cameras, optics, lighting, and software to give automated systems the ability to capture and interpret visual information. In manufacturing and logistics, it enables fast, objective, and repeatable inspection, measurement, and control decisions that would otherwise require human operators. A machine vision system typically combines an industrial camera, a lens, a purpose-built light source, processing hardware, and image analysis software - all tuned to work together for a specific task.
What is a machine vision system used for?
Machine vision systems are used wherever visual checks need to be fast, consistent, and data driven. Common applications include surface defect detection on manufactured parts, barcode and data matrix reading, label verification, dimensional measurement, fill-level inspection, and vision-guided robot control. Industries such as electronics, food and beverage, pharmaceuticals, logistics, and automotive rely on machine vision to maintain quality standards and reduce manual inspection.
How does an industrial vision system work?
An industrial vision system captures an image of the target object under controlled lighting conditions. The camera sensor converts the reflected light into digital image data, which is transferred to a processing unit - either a PC, an embedded computer, or a smart camera. Software then analyses the image according to predefined rules or trained AI models, and the result triggers an action: a pass/fail signal, a robot movement, a counter increment, or a quality record entry. The entire cycle typically runs in milliseconds.
What are the main components of a machine vision system?
A machine vision system consists of four core hardware elements: an industrial camera (area scan, line scan, or 3D), a lens to define the field of view and optical resolution, a lighting unit to ensure consistent image contrast, and a processing unit running the inspection software. Supporting elements include cabling, trigger sensors, and mounting hardware. The right combination depends entirely on the application - object size, speed, required resolution, and environmental conditions all influence component selection.
What is the difference between machine vision and computer vision?
Computer vision is the broader scientific discipline concerned with how machines extract meaning from images. Industrial machine vision is its applied subset, focused on real-time, deterministic performance in production environments. Machine vision systems are engineered for reliability, speed, and long-term stability under harsh conditions - not general image understanding. They operate under controlled lighting, use purpose-built hardware, and are validated for specific inspection tasks rather than open-ended recognition.
Which industries use industrial machine vision?
Machine vision is used across virtually all manufacturing and process industries. High-volume applications are found in electronics and semiconductor manufacturing, automotive production, food and beverage processing, pharmaceutical packaging, logistics and parcel sorting, and print and packaging. Non-industrial sectors, including sports broadcast and medical imaging, also deploy vision systems. Wherever speed, consistency, and traceability are required in a visual inspection or measurement task, machine vision delivers tangible advantages over manual methods.
STEMMER IMAGING: The leading international distributor in machine vision
- Profound technology, product and application know how in machine vision and artificial vision across industries.
- An extensive, manufacturer-independent portfolio of products combined with high-level expertise in solutions, value-added services and support.
- The development of subsystems.
Empowering Vision with MORE Services
- Technical consulting, feasibility studies, optical and mechanical design
- System pre-assembly, configuration, on-site commissioning, user training
- Custom enclosures, embedded vision setups, OEM system development