From the perspective of upstream suppliers, advances in image sensor technology bode well for manufacturers. For example, CMOS component providers are increasing the sensitivity of sensors, and this technology enhancement can enable three or five megapixel surveillance cameras to allow higher pixel resolution and lower cost requirements. Even Sony, the leader in the field of CCD components, continues to promote the production of its Exmor series of CMOS camera HD cameras.
Many manufacturers believe that CMOS will completely replace CCDs in the next two years, although the former currently holds 40% market share in the megapixel camera field. Most 2-megapixel and above cameras are equipped with imaging solutions. The 1.3MP camera uses a CCD as a light-sensing device because it is better than CMOS in the use of megapixel entry-level, but CMOS still occupies a cost advantage.
In addition to increasing the level of resolution, manufacturers are also constantly improving the efficiency of image encoding compression processing so that monitoring images can be better for network transmission. Many cameras now support the compression of 25fps720p video streams into MPEG-4, and the H.264 format transmits over 4-6MB of bandwidth. Some people even claim that their 720P camera requires only 2 megabits of bandwidth to transmit. There are other vendors that use local storage to reduce bandwidth consumption.
The improvement of this technology and more mature chipsets have lowered the entry barrier for enterprises. It is estimated that in the next two or three years, mainstream manufacturers will enter the production of large-scale megapixel cameras.
Many manufacturers believe that CMOS will completely replace CCDs in the next two years, although the former currently holds 40% market share in the megapixel camera field. Most 2-megapixel and above cameras are equipped with imaging solutions. The 1.3MP camera uses a CCD as a light-sensing device because it is better than CMOS in the use of megapixel entry-level, but CMOS still occupies a cost advantage.
In addition to increasing the level of resolution, manufacturers are also constantly improving the efficiency of image encoding compression processing so that monitoring images can be better for network transmission. Many cameras now support the compression of 25fps720p video streams into MPEG-4, and the H.264 format transmits over 4-6MB of bandwidth. Some people even claim that their 720P camera requires only 2 megabits of bandwidth to transmit. There are other vendors that use local storage to reduce bandwidth consumption.
The improvement of this technology and more mature chipsets have lowered the entry barrier for enterprises. It is estimated that in the next two or three years, mainstream manufacturers will enter the production of large-scale megapixel cameras.
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