Inception v3 in GO

normalizationgraph.go

func constructGraphToNormalizeImage() (graph *tf.Graph, input, output tf.Output, err error) {
	const (
		H, W  = 299, 299
		Mean  = float32(0)
		Scale = float32(255)
	)
	s := op.NewScope()
	input = op.Placeholder(s, tf.String)
	output = op.Div(s,
		op.Sub(s,
			op.ResizeBilinear(s,
				op.ExpandDims(s,
					op.Cast(s,
						op.DecodeJpeg(s, input, op.DecodeJpegChannels(3)), tf.Float),
					op.Const(s.SubScope("make_batch"), int32(0))),
				op.Const(s.SubScope("size"), []int32{H, W})),
			op.Const(s.SubScope("mean"), Mean)),
		op.Const(s.SubScope("scale"), Scale))
	graph, err = s.Finalize()
	return graph, input, output, err
}

tick.go

tick := time.Tick(1000 * time.Millisecond)

for {
	err = cam.WaitForFrame(timeout)
   	// ... process error

	frame, err := cam.ReadFrame()
	if len(frame) != 0 {
		select {
 		case <-tick:
     		   // ... process the image and display the result
		default:
		}
	}
}