How difficult or easy is it to develop the firmware of a camera?
In a camera, you have a camera sensor, an image signal processor (ISP), and a lens. The firmware is primarily involved in the ISP, with some contribution in the sensor as well. The sensor frames need to be processed in the ISP, and the resulting output must pass through an interface to reach the host processor. The tuning of the ISP is an important part of firmware development, focusing on image signal processing. Understanding image processing and signal tuning is crucial for ISP development. On the other hand, if you are working on the protocol or interface side, an in-depth comprehension of the protocol and its implementation is crucial. We developed a USB video class (UVC) stack for USB 3.0 over two years, creating the stack from scratch and optimising it for speed and performance. In contrast, some ISP projects we undertook were more expedited, lasting only a couple of months. Each project’s development timeline varies based on its complexity and requirements.
Why don’t we see more and more Indian companies venturing in this space?
Usually, when system integrators encounter a problem, their initial approach often involves exploring existing options such as readily available stacks. It is not that these existing solutions lack technical merit, but our concern lies in control. Choosing an externally developed stack means relinquishing control, hindering customisation for our customers. Having control over the stack allows one to accommodate specific requirements.
What are the possible challenges that camera manufacturers encounter?
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