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Oct 11, 2014 · ZXing ("Zebra Crossing") is the popular API for QR code processing in Java. Its library has multiple components and we will be using the 'core' for QR code creation in our Java example. Following code is example to create a QR code image and read information from a QR code image.

ing rule updates weights based on the error in the thresholded perceptron output, whereas the delta rule updates weights based on the error in the unthresholded linear combination of inputs The difference between these two training rules is reflected in different convergence properties The perceptron training rule converges after a finite number of iterations to a hypothesis that perfectly classifies the training data, provided the training examples are linearly separable The delta rule converges only asymptotically toward the minimum error hypothesis, possibly requiring unbounded time, but converges regardless of whether the training data are linearly separable A detailed presentation of the convergence proofs can be found in Hertz et al (1991) A third possible algorithm for learning the weight vector is linear programming Linear programming is a general, efficient method for solving sets of linear inequalities Notice each training example corresponds to an inequality of the form zZI - x' > 0 or G x' 5 0, and their solution is the desired weight vector Unfortunately, this approach yields a solution only when the training examples are linearly separable; however, Duda and Hart (1973, p 168) suggest a more subtle formulation that accommodates the nonseparable case In any case, the approach of linear programming does not scale to training multilayer networks, which is our primary concern In contrast, the gradient descent approach, on which the delta rule is based, can be easily extended to multilayer networks, as shown in the following section

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DVD-Video provides one stream of MPEG-2 variable-bit-rate video with up to 9 interleaved camera angles; up to 8 streams of Dolby Digital multichannel audio, MPEG-2 multichannel audio, or linear PCM audio; and up to 32 streams of full-screen graphic overlay subpictures supplemented with navigation menus, still pictures, seamless branching, parental management, and rudimentary interactivity The DVD-Video format is designed for playback on standard 525-line (NTSC) and 625-line (PAL) television displays via analog video connections It also can be played in standard resolution in interlaced or progressive format on digital displays and high-definition televisions via analog or digital connections

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The BACKPROPAGATION algorithm learns the weights for a multilayer network, given a network with a fixed set of units and interconnections It employs gradient descent to attempt to minimize the squared error between the network output values and the target values for these outputs This section presents the BACKPROPAGATION algorithm, and the following section gives the derivation for the gradient descent weight update rule used by BACKPROPAGATION Because we are considering networks with multiple output units rather than single units as before, we begin by redefining E to sum the errors over all of the network output units

Summary

DVD-Video incorporates multichannel digital audio for compatible digital audio systems, and also provides digital or analog audio to support standard stereo audio systems (see Figure 66) DVD-Video also can be played on compatible computer systems (see 11 for details) DVD-Video incorporates video and audio formats from various standards (see Appendix B)

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Write a QR Code Reader in Java using Zxing | CalliCoder
20 Jun 2017 ... Learn how to read QR code images in Java using google's zxing library.

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