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Type: Posts; User: emrainey

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  1. It's an attribute of the vx_convolution object. *...

    It's an attribute of the vx_convolution object. *

    vxSetConvolutionAttribute(conv, VX_CONVOLUTION_ATTRIBUTE_SCALE, &scale, sizeof(scale));
  2. Also s != 0 - - - Updated - - - Normally s...

    Also s != 0

    - - - Updated - - -

    Normally s is the sum of the coefficients, but it can be set manually too.
  3. Scale is the final divisor of the sum. ...

    Scale is the final divisor of the sum.

    example:
    input image = p
    coefficients[3][3] = c
    scale = s
    output value = v

    v = ( (p[0][0] * c[0][0]) + (p[0][1] * c[0][1]) + (p[0][2] * c[0][2])...
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    The Specification API (vxCreateContext,...

    The Specification API (vxCreateContext, vxCreateGraph) are not helpers, they are part of the Specification API. API that initialize a vx_matrix to a specific affine rotation angle, for example would...
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    The sample implementation will be released some...

    The sample implementation will be released some time after the Final Ratification of the specification. The sample will hopefully be a complete and fully working implementation, but it is not...
  6. OpenVX's goal is to accelerate *all* vision...

    OpenVX's goal is to accelerate *all* vision functions, not just image processing. OpenCV has some acceleration mechanisms now, but not all that are possible. OpenVX allows those new possibilities and...
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    3x3 is a very common filter size in real-time and...

    3x3 is a very common filter size in real-time and embedded applications. Some kernels do have internal filters of different sizes. Future support for other sizes is up for debate and we welcome...
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    1.) The headers will be available after final...

    1.) The headers will be available after final ratification. We are still taking comments and changing the API, so releasing headers now would cause rework.
    2.) The Open Source Sample OpenVX will be...
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    First, these code statements don't call the...

    First, these code statements don't call the functions themselves. They link the Nodes together. The order will be determined during the
    status = vxVerifyGraph(graph); call. The actual execution of...
  10. 1.) OS Choice is up to the vendor and the...

    1.) OS Choice is up to the vendor and the customer. I can't announce any specific OS support at this time on behalf of TI, though we are working on some.

    2.) To know how a node executed...
  11. Assigning a Node to a Target.

    Great Question!

    First, your vendor must provide an implementation that supports the hardware.

    Second, the implementation will likely choose the best hardware for you at the time of execution....
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    Whenever the spec is finalized, then 1.1 is after...

    Whenever the spec is finalized, then 1.1 is after that. :)

    The open source implementation will be sometime around final spec too. Though we may surprise you and release it earlier.

    It may be...
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    Of the open source sample implementation? Or...

    Of the open source sample implementation? Or when the next milestone (1.1, etc) will.be released?
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    Can you be more specific? We are requesting...

    Can you be more specific? We are requesting feedback on the 1.0 provisional specification as-is today. We do intend to produce later versions if there is interest. We would not disclose what would...
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    Graph import/export is a very useful feature. I...

    Graph import/export is a very useful feature. I imagine that it will remain vendor specific until Khronos can agree on a schema (perhaps something like GraphML?) then it would be relatively easy to...
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    This is a great forum in which to ask these...

    This is a great forum in which to ask these specific questions! You may want to start another thread though.
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    There will be an open source sample (not...

    There will be an open source sample (not reference) implementation released sometime around final specification.
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    Could you clarify what testing you would do?...

    Could you clarify what testing you would do? There are no binaries to test against as of yet. The working group is hesitant to release the headers while they may change. If you will be an implementer...
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    Since this is still a provisional specification,...

    Since this is still a provisional specification, the headers are still under going some change. The working group may decide to release them, however.
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