CODEWITHSUNDEEP
image-processingopenvx
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Reputation: 503

OpenVX API for Image Division and Multiplication

OpenVX provides abstractions (via APIs) for vision kernels. The latest reference guide 1.2 lists current defined functions.

One step in my application is an element-wise image division. I am looking for function such as out(x,y) = in1(x,y) / in2(x,y). It seems that OpenVX does not define this function API. Another case is pixel multiplication with constant, such as out(x,y) = in(x,y) * c. Luckily there is Pixel-wise Multiplication out(x,y) = in1(x,y) * in2(x,y) * scale that allows me to work around my implementation. But that always require two images as input.

I know another option is to build my custom node. But I am still wondering why such functions are not available in the specification, while other similar ones such as addition and subtraction are.

Upvotes: 1

Views: 121

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