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Camera Selection – How Can I Find the Right Camera for My Image Processing System?

Machine Vision Dealers in Singapore | MV Asia Infomatrix Pte Ltd Singapore

Lost in the Wilderness of Options?

Faced with the test of planning a picture handling framework, you might end up in a genuine wilderness of choices, in the midst of a bewildering scope of camera models, important properties, supportive highlights and potential applications.

What you really want currently is an aide. Somebody who carves a way through the brush and assists you with arriving at the clearing toward the finish of your dynamic process of choosing the right camera for your vision application. Go along with us in our bit by bit investigation of the multitude of pertinent models. It will assist you with pursuing the ideal choices, each in turn, to pick the best gear for your necessities. Begin with a reasonable looked at self-evaluation. Ask yourself two questions:

  • >> What is it that I want to see with the camera?

  • >> What qualities are important for my camera to convey exactly that?

Decision #1: Organization or Modern Camera?

Cameras for picture handling frameworks are classified either as modern/machine vision (MV) or organization/IP (Web Convention) cameras. Network cameras record recordings. They are often utilized in old style reconnaissance applications and in blend with modern cameras. A portion of their normal qualities:

  • >> frequently positioned inside strong housings intended to be impervious to shocks and brutal climate, making them appropriate for use inside or out.

  • >> various capabilities like day/night modes and extraordinary infrared channels convey remarkable picture quality considerably under very unfortunate lighting and weather patterns.

  • >> they pack the pictures they record. This decreases the volume of information so much that it tends to be put away in the camera. By interfacing with an organization, a hypothetically limitless number of clients can likewise get to the camera.

  • >> send the pictures as uncompressed ('crude') information straightforwardly to the PC; The PC is then answerable for handling the somewhat huge volume of information. The advantage of this strategy is that no picture data is lost.

  • >> Modern cameras include two advances: region and line filter cameras. They catch pictures in an unexpected way, which is pertinent to the kind of vision application.

Excursion: How region and line filter cameras catch images

Area filter cameras

  • >> are equipped with a rectangular sensor including various lines of pixels that are uncovered simultaneously. The picture information is in this way kept in one single step, and is likewise handled in the equivalent way.

  • >> are commonly utilized in various modern applications, in the clinical and life sciences, in rush hour gridlock and transportation, or in security and observation, frequently as an enhancement to organize cameras.

  • >> are normally utilized in various modern applications, in the clinical and life sciences, in rush hour gridlock and transportation, or in security and observation, frequently as an enhancement to arrange cameras.

Line filter cameras

  • >> by contrast utilize one sensor contained only 1, 2 or 3 lines of pixels. The picture information is caught line for line, with the singular lines then, at that point, reconstituted into a whole picture during the handling stage. Whether or not a region or line examine camera ought to be utilized is an issue of your applications and its requirements.

  • >> are utilized all around when items should be examined as they pass by on transport lines — now and again at very quick velocities. Normal businesses incorporate printing, arranging and bundling, food and drink, and a wide range of surface investigation applications.

Network cameras

  • >> are utilized for an assortment of observation undertakings, from process controls in delivery lines and pressing frameworks to building and traffic reconnaissance systems.

  • >> are normally utilized in places like banks, gambling clubs, organization grounds and public structures, as well as in strategies and transportation focuses, for example, harbors or cargo centers.

Decision #2: Monochrome or Variety Camera?

A moderately basic choice and one that is normally replied by what's truly going on with your application: the picture you require. Do you want it in variety to assess the outcomes, or is highly contrasting adequate? In the event that variety isn't compulsory, then, at that point, a monochrome camera is ordinarily the better decision as they are more delicate and convey more definite pictures. For some applications, for instance in canny rush hour gridlock frameworks, a mix of b/w and variety cameras are likewise much of the time used to fulfill the particular public lawful necessities for proof grade images.

Decision #3: Sensor Types, Shade Method, Edge Rates

This step includes picking a reasonable sensor, constructed either around CMOS or CCD sensor innovation, and picking the kind of shade strategy: worldwide or moving screen. The following thought is of the edge rate, meaning the quantity of pictures that a camera should convey each second to deal with its undertaking seamlessly.

Excursion: CCD or CMOS?

The central contrast between the two sensor advancements is in their specialized structure.

In CMOS chips, the gadgets to change over the light (and explicitly: the photons) into electronic signs (electrons) are coordinated straightforwardly into the outer layer of the sensor. This creates them particularly speedy since they can peruse the picture information all the more quickly and permit the client to address the picture range deftly. CMOS sensors are vigorously utilized in the buyer market, for example, in SLR cameras.

CCD sensors utilize the whole sensor surface to catch the light, with no change hardware put on the sensor's surface. This leaves more space for pixels on a superficial level, which thus implies all the more light is caught. Sensors of this kind are subsequently additional light-touchy, a significant advantage in low-light applications like stargazing. CCD sensors convey remarkable picture quality in more slow applications, in spite of the fact that their design and the manner by which they transport and cycle picture information has progressively carried them to the furthest reaches of their speed.

Throughout the long term, the CMOS innovation has advanced up to this point that it is presently appropriate for practically any picture handling application. CMOS sensors offer

  • >> solid incentive for the performance
  • >> high casing rates
  • >> high resolution
  • >> low power consumption
  • >> solid quantum efficiency

which assisted them with acquiring a traction in regions recently overwhelmed by CCD sensors. One particularly amazing selling point of the present age of CMOS sensors is their high edge rates without disintegration in picture quality.

One straightforward, yet critical necessity here: the shade should match the application. The screen safeguards the sensor inside the camera against approaching light, opening just right now of openness. The chose openness time gives the right 'portion' of light and decides how long the screen stays open. The distinction between the worldwide and the moving screen variations is standing out they handle openness to light.

The worldwide screen opens to permit the light to strike the whole sensor surface at the same time. Contingent upon the edge rate a moving item is in this way uncovered in a quick progression. Worldwide screen is the ideal decision for applications where extremely quick articles should be caught, for example, in the rush hour gridlock and transportation fields, in strategies and in reviews of printed materials.

Rolling screen uncovered the picture line-by-line. Contingent upon the chose openness time, twists can happen when articles move during the openness cycle - the supposed moving screen impact. In any case, there's compelling reason need to leave the chance of a moving shade on the grounds that your application includes moving items. Generally speaking, the impact can be avoided through legitimate arrangement of the openness times and the utilization of an outside flash.

Decision #4: Goal, Sensor and Pixel Sizes


Looking up your camera's specs you read "2048x1088". What precisely does that tell you? It portrays the quantity of pixels per line, for this situation 2048 pixels for the even lines and 1088 pixels in the upward lines. Duplicated together, the numbers show a goal of 2,228,224 pixels, or 2.2 megapixels (million pixels, or 'MP' for short).

To figure out which goal you expect for your application, doing a few basic maths will help instantly:

Excursion: How to Decide the Necessary Resolution

Let's say you really want to catch an accuracy picture of the eye shade of an around 2 m tall individual remaining at a particular point:

Goal = Level/(Eye detail) = (2,000 mm)/(1 mm) = 2,000 px in x and y = 4 MP

= > To obviously perceive the 1 mm huge detail, you really want a goal of 4 megapixels.

Sensor and Pixel Size

Fact #1:
The simple aspect first: huge sensor and enormous pixel surfaces can catch all the more light. Light is the sign utilized by the sensor to create and handle the picture information. Up to this point, so basic. Presently stay with us: The more prominent the accessible surface, the better the Sign to-Clamor Proportion (SNR), particularly for enormous pixels estimating 3.5 µm or more. A higher SNR converts into better picture quality. A SNR of 42 dB would be viewed as a strong result.

Fact #2:
A huge sensor gives bigger space onto which more pixels can fit, which delivers a higher goal. The genuine advantage here is that the singular pixels are still sufficiently huge to guarantee a decent SNR — in contrast to on more modest sensors, where there is less space accessible and hence more modest pixels should be used.

Fact #3:
But huge sensors and an enormous number of huge pixels will not accomplish a lot of except if the right optics are set up. They can accomplish their maximum capacity when joined with a reasonable focal point likewise equipped for portraying such elevated degrees of resolution.

Fact #4:
Huge sensors are likewise in every case more expense serious, since more space implies more silicon.

Decision #5: Connection points and Lodging Size

The interface fills in as the contact between the camera and PC, sending picture information from the equipment (the camera sensor) to the product (the parts that cycle the pictures). Finding the best connection point for your application implies finding the ideal equilibrium of execution, expenses and unwavering quality by gauging a progression of various elements against one another.

Excursion: Point of interaction advances and standards

GigE Vision, USB3 Vision and Camera Connection are current, broadly accessible innovation guidelines that ensure the similarity of the camera interact with standard-adjusted parts and extras. Every innovation is intended to satisfy a particular arrangement of prerequisites in regards to transmission capacity, multi-camera arrangements, of link lengths, for example.
FireWire and USB 2.0 are more seasoned advancements which, because of their impediments, are not suggested without booking for present day picture handling frameworks anymore.


Directly attached to the decision of point of interaction is the size of the camera lodging. It is significant with regards to the general coordination into the vision framework. In applications where cameras are coordinated close to each other (known as multi-camera arrangements) to all the more likely record the whole width of a material web, every millimeter of room matters.

Decision #6: Valuable Camera Features

All Basler cameras come outfitted with a center of supportive elements to further develop picture quality, survey picture information all the more successfully or control processes with more noteworthy accuracy. Check our Elements Check Rundown for a complete posting of all highlights for every camera model.

While planning your picture handling framework, you will most likely run over these three features:

AOI (Area of Interest)
Permits you to choose explicit individual areas of interest inside the edge, or various different AOIs without a moment's delay. The advantage here is that main those pieces of the casing are handled that are of pertinence for evaluation of the picture, accordingly accelerating the read out of the camera data.

Basler cameras offer a progression of supposed Autofeatures such as, programmed openness change and programmed gain. By permitting the openness time and gain boundaries to adjust naturally to changing encompassing circumstances, these two Autofeatures keep the picture splendor unendingly constant.

The sequencer is utilized to peruse out unambiguous picture groupings. This implies for instance that different AOIs can be modified and afterward consequently read out successively by the sequencer.

Also Read: How Machine Vision is Revolutionizing the World in 2023

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