What is DIS, CCD and CMOS

0
6172

Well, this article is one of the most annoying article of mine. it takes me almost 2 weeks of research in order to find a good source of information out there. OK, I am going to explain to you what is the difference of DIS, CCD, and CMOS.

DIS (Digital Image Stabilization) is technology of the image sensor to reduce the blur image due to vibrations at the camera, which is used to happen when installing the camera to area that have a lot of vibration such as : at traffic road, at rail station, Airport, Seaport, etc. It compares video data from recorded images to detect shaking camera movement, most often from wind.

The camera creates a pixel buffer by recording extra pixels outside of the visible frame. When the camera vibrates or shakes, the camera shifts the visible frame to reduce the jarring effect on the video image.

DIS and no DIS sampe Image

CCD is called (Charged Coupling Devices) and CMOS is (Complimentary Metal Oxide Semiconductor), both are the image sensor chips installed on a camera, such as : CCTV, Digital Cameras, Video Camera.

CCD is known for its better quality on images than video shooting. and it is more popular in general environment.. often used in low-cost low-power cellphone cameras. There is lot of discussion of the CCD and CMOS. Some sources say that CCD is more costly in producing due to they require special manufacturing.[divider]. but some says that CCD is cheaper because of CMOS also requires companion chips to improve the image quality although many people says that CMOS fabrication costs from the reuse of mainstream logic and memory device fabrication.

ccd-vs-cmos

Advantage of CCD :

* Conversion takes place in the chip without distortion
* CCDs have very high uniformity – Technique for HD quality images (not videos)
* These sensors are more sensitive – Produce Better Images in Low Light
* CCD sensors produce cleaner and less grainy Images – low-noise images
* CCD sensors is produced for longer period of time
* CCDs have traditionally provided the performance benchmarks in the photographic, scientific, and industrial applications that demand the highest image quality (as measured in quantum efficiency and noise) at the expense of system size

Disadvantage of CCD :
* CCD sensors Consume much more
* CCDs are Inferior HD Video – Less pixel
* CCDs are expensive as they require special manufacturing.[divider]

Advantage of CMOS :
* CMOS consumes less
* CMOS sensors are cheaper
* These Sensors produce better HD ; CMOS imagers offer more integration (more functions on the chip), lower power dissipation (at the chip level), and the possibility of smaller system size, but they have often required tradeoffs between image quality and device cost
* CMOS cameras are used on Phones, Tablets,
* CMOS imager clearly has better performance

Disadvantage of
* CMOS sensors are also more susceptible – sometimes images are
* CMOS sensors need more light for better image

Notes : to clarify the cost points that CCD sensor is more expensive than CMOS. but to summarize the cost of production which CMOS is generally required the companion chips to improve the image quality, and in any way CCDs are more mature and optimized which cause them to efficiently reduce the complexity of production and the cost.

NO COMMENTS

Leave a Reply