Introduction In the world of automation, the ability to see and understand the environment is crucial. Machine vision cameras play a pivotal role in this domain, enabling machines to perceive and interpret visual information like never before. These sophisticated cameras, combined with custom optics, have opened up a world of possibilities across various industries. In […]
Multi-spectral image data and hyper-spectral image data are two distinct types of remote sensing or imaging data, each offering different levels of spectral information and applications. Here’s a breakdown of their differences: Multi-Spectral Image Data: Multi-spectral imaging captures data in a limited number of discrete spectral bands or channels, typically in the visible and a […]
Introduction: Non-destructive testing (NDT) plays a crucial role in various industries, enabling the evaluation and analysis of materials and structures without causing any damage. Among the various techniques used in NDT, Optical Coherence Tomography (OCT) has emerged as a promising technology. OCT offers numerous advantages over traditional methods such as ultrasound inspection, including higher resolution, […]
An optical drawing is a detailed plan that allows us to manufacture optical components according to a design and given specifications. When optical designers and engineers come up with a design, they condense it in an optical drawing that can be understood by manufacturers anywhere. ISO 10110 is the most popular standard for optical drawing. […]
Identifying Resolution of Imaging Systems Resolution is a measurement of an imaging system’s ability to resolve the object which is be imaged. Test targets are typically tools that are used to check the resolution of an imaging system. The most popular targets consist of “groups” of 6 “elements” and each element consists of three horizontal […]
For storage and transmission of large image files it is desirable to reduce the file size. For consumer-grade images this is achieved by lossy image compression when image details not very noticeable to humans are discarded. However, for scientific images discarding any image details may not be acceptable. Still, all the images, except completely random […]
Image Analysis of a 3D Image Several manufacturers sell 3D cameras which use 2D sensor arrays sensitive to the phase of reflected laser light. All of them spread laser light so that it permanently illuminates the complete scene of interest. Laser light is modulated synchronously with the pixel sensitivity. The phase of reflected laser light, […]
Let’s look at the transportation industry-based case of extensive image processing. Two video cameras were looking at the boxes moving fast on the conveyor belt. To provide high enough image resolution the cameras were placed close to the belt but they could not cover all the belt cross-section. They were placed on the sides of […]
