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- <h2 title="Class Net" class="title">Class Net</h2>
- </div>
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- <ul class="inheritance">
- <li>java.lang.Object</li>
- <li>
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- <li>org.opencv.dnn.Net</li>
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- <br>
- <pre>public class <span class="typeNameLabel">Net</span>
- extends java.lang.Object</pre>
- <div class="block">This class allows to create and manipulate comprehensive artificial neural networks.
- Neural network is presented as directed acyclic graph (DAG), where vertices are Layer instances,
- and edges specify relationships between layers inputs and outputs.
- Each network layer has unique integer id and unique string name inside its network.
- LayerId can store either layer name or layer id.
- This class supports reference counting of its instances, i. e. copies point to the same instance.</div>
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- <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#Net--">Net</a></span>()</code> </td>
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- <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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- <tr id="i0" class="altColor">
- <td class="colFirst"><code>static <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#Z:Z__fromPtr__-long-">__fromPtr__</a></span>(long addr)</code> </td>
- </tr>
- <tr id="i1" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#connect-java.lang.String-java.lang.String-">connect</a></span>(java.lang.String outPin,
- java.lang.String inpPin)</code>
- <div class="block">Connects output of the first layer to input of the second layer.</div>
- </td>
- </tr>
- <tr id="i2" class="altColor">
- <td class="colFirst"><code>java.lang.String</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#dump--">dump</a></span>()</code>
- <div class="block">Dump net to String</div>
- </td>
- </tr>
- <tr id="i3" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#dumpToFile-java.lang.String-">dumpToFile</a></span>(java.lang.String path)</code>
- <div class="block">Dump net structure, hyperparameters, backend, target and fusion to dot file</div>
- </td>
- </tr>
- <tr id="i4" class="altColor">
- <td class="colFirst"><code>boolean</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#empty--">empty</a></span>()</code>
- <div class="block">Returns true if there are no layers in the network.</div>
- </td>
- </tr>
- <tr id="i5" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#enableFusion-boolean-">enableFusion</a></span>(boolean fusion)</code>
- <div class="block">Enables or disables layer fusion in the network.</div>
- </td>
- </tr>
- <tr id="i6" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#enableWinograd-boolean-">enableWinograd</a></span>(boolean useWinograd)</code>
- <div class="block">Enables or disables the Winograd compute branch.</div>
- </td>
- </tr>
- <tr id="i7" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#forward--">forward</a></span>()</code>
- <div class="block">Runs forward pass to compute output of layer with name <code>outputName</code>.</div>
- </td>
- </tr>
- <tr id="i8" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#forward-java.util.List-">forward</a></span>(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> outputBlobs)</code>
- <div class="block">Runs forward pass to compute output of layer with name <code>outputName</code>.</div>
- </td>
- </tr>
- <tr id="i9" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#forward-java.util.List-java.util.List-">forward</a></span>(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> outputBlobs,
- java.util.List<java.lang.String> outBlobNames)</code>
- <div class="block">Runs forward pass to compute outputs of layers listed in <code>outBlobNames</code>.</div>
- </td>
- </tr>
- <tr id="i10" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#forward-java.util.List-java.lang.String-">forward</a></span>(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> outputBlobs,
- java.lang.String outputName)</code>
- <div class="block">Runs forward pass to compute output of layer with name <code>outputName</code>.</div>
- </td>
- </tr>
- <tr id="i11" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#forward-java.lang.String-">forward</a></span>(java.lang.String outputName)</code>
- <div class="block">Runs forward pass to compute output of layer with name <code>outputName</code>.</div>
- </td>
- </tr>
- <tr id="i12" class="altColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getFLOPS-int-java.util.List-">getFLOPS</a></span>(int layerId,
- java.util.List<<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a>> netInputShapes)</code> </td>
- </tr>
- <tr id="i13" class="rowColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getFLOPS-int-org.opencv.core.MatOfInt-">getFLOPS</a></span>(int layerId,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> netInputShape)</code> </td>
- </tr>
- <tr id="i14" class="altColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getFLOPS-java.util.List-">getFLOPS</a></span>(java.util.List<<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a>> netInputShapes)</code>
- <div class="block">Computes FLOP for whole loaded model with specified input shapes.</div>
- </td>
- </tr>
- <tr id="i15" class="rowColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getFLOPS-org.opencv.core.MatOfInt-">getFLOPS</a></span>(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> netInputShape)</code> </td>
- </tr>
- <tr id="i16" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getInputDetails-org.opencv.core.MatOfFloat-org.opencv.core.MatOfInt-">getInputDetails</a></span>(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> scales,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> zeropoints)</code>
- <div class="block">Returns input scale and zeropoint for a quantized Net.</div>
- </td>
- </tr>
- <tr id="i17" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/dnn/Layer.html" title="class in org.opencv.dnn">Layer</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getLayer-int-">getLayer</a></span>(int layerId)</code>
- <div class="block">Returns pointer to layer with specified id or name which the network use.</div>
- </td>
- </tr>
- <tr id="i18" class="altColor">
- <td class="colFirst"><code>int</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getLayerId-java.lang.String-">getLayerId</a></span>(java.lang.String layer)</code>
- <div class="block">Converts string name of the layer to the integer identifier.</div>
- </td>
- </tr>
- <tr id="i19" class="rowColor">
- <td class="colFirst"><code>java.util.List<java.lang.String></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getLayerNames--">getLayerNames</a></span>()</code> </td>
- </tr>
- <tr id="i20" class="altColor">
- <td class="colFirst"><code>int</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getLayersCount-java.lang.String-">getLayersCount</a></span>(java.lang.String layerType)</code>
- <div class="block">Returns count of layers of specified type.</div>
- </td>
- </tr>
- <tr id="i21" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getLayerTypes-java.util.List-">getLayerTypes</a></span>(java.util.List<java.lang.String> layersTypes)</code>
- <div class="block">Returns list of types for layer used in model.</div>
- </td>
- </tr>
- <tr id="i22" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getMemoryConsumption-int-java.util.List-long:A-long:A-">getMemoryConsumption</a></span>(int layerId,
- java.util.List<<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a>> netInputShapes,
- long[] weights,
- long[] blobs)</code> </td>
- </tr>
- <tr id="i23" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getMemoryConsumption-int-org.opencv.core.MatOfInt-long:A-long:A-">getMemoryConsumption</a></span>(int layerId,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> netInputShape,
- long[] weights,
- long[] blobs)</code> </td>
- </tr>
- <tr id="i24" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getMemoryConsumption-org.opencv.core.MatOfInt-long:A-long:A-">getMemoryConsumption</a></span>(<a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> netInputShape,
- long[] weights,
- long[] blobs)</code> </td>
- </tr>
- <tr id="i25" class="rowColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getNativeObjAddr--">getNativeObjAddr</a></span>()</code> </td>
- </tr>
- <tr id="i26" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getOutputDetails-org.opencv.core.MatOfFloat-org.opencv.core.MatOfInt-">getOutputDetails</a></span>(<a href="../../../org/opencv/core/MatOfFloat.html" title="class in org.opencv.core">MatOfFloat</a> scales,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> zeropoints)</code>
- <div class="block">Returns output scale and zeropoint for a quantized Net.</div>
- </td>
- </tr>
- <tr id="i27" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getParam-int-">getParam</a></span>(int layer)</code>
- <div class="block">Returns parameter blob of the layer.</div>
- </td>
- </tr>
- <tr id="i28" class="altColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getParam-int-int-">getParam</a></span>(int layer,
- int numParam)</code>
- <div class="block">Returns parameter blob of the layer.</div>
- </td>
- </tr>
- <tr id="i29" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getParam-java.lang.String-">getParam</a></span>(java.lang.String layerName)</code> </td>
- </tr>
- <tr id="i30" class="altColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getParam-java.lang.String-int-">getParam</a></span>(java.lang.String layerName,
- int numParam)</code> </td>
- </tr>
- <tr id="i31" class="rowColor">
- <td class="colFirst"><code>long</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getPerfProfile-org.opencv.core.MatOfDouble-">getPerfProfile</a></span>(<a href="../../../org/opencv/core/MatOfDouble.html" title="class in org.opencv.core">MatOfDouble</a> timings)</code>
- <div class="block">Returns overall time for inference and timings (in ticks) for layers.</div>
- </td>
- </tr>
- <tr id="i32" class="altColor">
- <td class="colFirst"><code><a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getUnconnectedOutLayers--">getUnconnectedOutLayers</a></span>()</code>
- <div class="block">Returns indexes of layers with unconnected outputs.</div>
- </td>
- </tr>
- <tr id="i33" class="rowColor">
- <td class="colFirst"><code>java.util.List<java.lang.String></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#getUnconnectedOutLayersNames--">getUnconnectedOutLayersNames</a></span>()</code>
- <div class="block">Returns names of layers with unconnected outputs.</div>
- </td>
- </tr>
- <tr id="i34" class="altColor">
- <td class="colFirst"><code><a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#quantize-java.util.List-int-int-">quantize</a></span>(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> calibData,
- int inputsDtype,
- int outputsDtype)</code>
- <div class="block">Returns a quantized Net from a floating-point Net.</div>
- </td>
- </tr>
- <tr id="i35" class="rowColor">
- <td class="colFirst"><code><a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#quantize-java.util.List-int-int-boolean-">quantize</a></span>(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> calibData,
- int inputsDtype,
- int outputsDtype,
- boolean perChannel)</code>
- <div class="block">Returns a quantized Net from a floating-point Net.</div>
- </td>
- </tr>
- <tr id="i36" class="altColor">
- <td class="colFirst"><code>static <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#readFromModelOptimizer-org.opencv.core.MatOfByte-org.opencv.core.MatOfByte-">readFromModelOptimizer</a></span>(<a href="../../../org/opencv/core/MatOfByte.html" title="class in org.opencv.core">MatOfByte</a> bufferModelConfig,
- <a href="../../../org/opencv/core/MatOfByte.html" title="class in org.opencv.core">MatOfByte</a> bufferWeights)</code>
- <div class="block">Create a network from Intel's Model Optimizer in-memory buffers with intermediate representation (IR).</div>
- </td>
- </tr>
- <tr id="i37" class="rowColor">
- <td class="colFirst"><code>static <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a></code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#readFromModelOptimizer-java.lang.String-java.lang.String-">readFromModelOptimizer</a></span>(java.lang.String xml,
- java.lang.String bin)</code>
- <div class="block">Create a network from Intel's Model Optimizer intermediate representation (IR).</div>
- </td>
- </tr>
- <tr id="i38" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setHalideScheduler-java.lang.String-">setHalideScheduler</a></span>(java.lang.String scheduler)</code>
- <div class="block">Compile Halide layers.</div>
- </td>
- </tr>
- <tr id="i39" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInput-org.opencv.core.Mat-">setInput</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob)</code>
- <div class="block">Sets the new input value for the network</div>
- </td>
- </tr>
- <tr id="i40" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInput-org.opencv.core.Mat-java.lang.String-">setInput</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob,
- java.lang.String name)</code>
- <div class="block">Sets the new input value for the network</div>
- </td>
- </tr>
- <tr id="i41" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInput-org.opencv.core.Mat-java.lang.String-double-">setInput</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob,
- java.lang.String name,
- double scalefactor)</code>
- <div class="block">Sets the new input value for the network</div>
- </td>
- </tr>
- <tr id="i42" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInput-org.opencv.core.Mat-java.lang.String-double-org.opencv.core.Scalar-">setInput</a></span>(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob,
- java.lang.String name,
- double scalefactor,
- <a href="../../../org/opencv/core/Scalar.html" title="class in org.opencv.core">Scalar</a> mean)</code>
- <div class="block">Sets the new input value for the network</div>
- </td>
- </tr>
- <tr id="i43" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInputShape-java.lang.String-org.opencv.core.MatOfInt-">setInputShape</a></span>(java.lang.String inputName,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> shape)</code>
- <div class="block">Specify shape of network input.</div>
- </td>
- </tr>
- <tr id="i44" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setInputsNames-java.util.List-">setInputsNames</a></span>(java.util.List<java.lang.String> inputBlobNames)</code>
- <div class="block">Sets outputs names of the network input pseudo layer.</div>
- </td>
- </tr>
- <tr id="i45" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setParam-int-int-org.opencv.core.Mat-">setParam</a></span>(int layer,
- int numParam,
- <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob)</code>
- <div class="block">Sets the new value for the learned param of the layer.</div>
- </td>
- </tr>
- <tr id="i46" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setParam-java.lang.String-int-org.opencv.core.Mat-">setParam</a></span>(java.lang.String layerName,
- int numParam,
- <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob)</code> </td>
- </tr>
- <tr id="i47" class="rowColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setPreferableBackend-int-">setPreferableBackend</a></span>(int backendId)</code>
- <div class="block">Ask network to use specific computation backend where it supported.</div>
- </td>
- </tr>
- <tr id="i48" class="altColor">
- <td class="colFirst"><code>void</code></td>
- <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/opencv/dnn/Net.html#setPreferableTarget-int-">setPreferableTarget</a></span>(int targetId)</code>
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- <pre>public void connect(java.lang.String outPin,
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- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>outPin</code> - descriptor of the first layer output.</dd>
- <dd><code>inpPin</code> - descriptor of the second layer input.
- Descriptors have the following template <DFN>&lt;layer_name&gt;[.input_number]</DFN>:
- - the first part of the template <DFN>layer_name</DFN> is string name of the added layer.
- If this part is empty then the network input pseudo layer will be used;
- - the second optional part of the template <DFN>input_number</DFN>
- is either number of the layer input, either label one.
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- <dd>String with structure, hyperparameters, backend, target and fusion
- Call method after setInput(). To see correct backend, target and fusion run after forward().</dd>
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- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>path</code> - path to output file with .dot extension
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- <pre>public boolean empty()</pre>
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- <pre>public void enableFusion(boolean fusion)</pre>
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- <dd><code>fusion</code> - true to enable the fusion, false to disable. The fusion is enabled by default.</dd>
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- <dt><span class="paramLabel">Parameters:</span></dt>
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- <dl>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>blob for first output of specified layer.
- By default runs forward pass for the whole network.</dd>
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- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>outputBlobs</code> - contains all output blobs for specified layer.
- If <code>outputName</code> is empty, runs forward pass for the whole network.</dd>
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- <dd><code>outputBlobs</code> - contains blobs for first outputs of specified layers.</dd>
- <dd><code>outBlobNames</code> - names for layers which outputs are needed to get</dd>
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- <div class="block">Runs forward pass to compute output of layer with name <code>outputName</code>.</div>
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- <dd><code>outputBlobs</code> - contains all output blobs for specified layer.</dd>
- <dd><code>outputName</code> - name for layer which output is needed to get
- If <code>outputName</code> is empty, runs forward pass for the whole network.</dd>
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- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>outputName</code> - name for layer which output is needed to get</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>blob for first output of specified layer.
- By default runs forward pass for the whole network.</dd>
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- <div class="block">Returns input scale and zeropoint for a quantized Net.</div>
- <dl>
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- <dd><code>scales</code> - output parameter for returning input scales.</dd>
- <dd><code>zeropoints</code> - output parameter for returning input zeropoints.</dd>
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- <dd><code>layerType</code> - type.</dd>
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- <div class="block">Returns list of types for layer used in model.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>layersTypes</code> - output parameter for returning types.</dd>
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- long[] weights,
- long[] blobs)</pre>
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- long[] weights,
- long[] blobs)</pre>
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- long[] weights,
- long[] blobs)</pre>
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- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> zeropoints)</pre>
- <div class="block">Returns output scale and zeropoint for a quantized Net.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>scales</code> - output parameter for returning output scales.</dd>
- <dd><code>zeropoints</code> - output parameter for returning output zeropoints.</dd>
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- <div class="block">Returns parameter blob of the layer.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>layer</code> - name or id of the layer.
- SEE: Layer::blobs</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
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- <pre>public <a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> getParam(int layer,
- int numParam)</pre>
- <div class="block">Returns parameter blob of the layer.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>layer</code> - name or id of the layer.</dd>
- <dd><code>numParam</code> - index of the layer parameter in the Layer::blobs array.
- SEE: Layer::blobs</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
- </dl>
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- int numParam)</pre>
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- <pre>public long getPerfProfile(<a href="../../../org/opencv/core/MatOfDouble.html" title="class in org.opencv.core">MatOfDouble</a> timings)</pre>
- <div class="block">Returns overall time for inference and timings (in ticks) for layers.
- Indexes in returned vector correspond to layers ids. Some layers can be fused with others,
- in this case zero ticks count will be return for that skipped layers. Supported by DNN_BACKEND_OPENCV on DNN_TARGET_CPU only.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>timings</code> - vector for tick timings for all layers.</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>overall ticks for model inference.</dd>
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- <div class="block">Returns indexes of layers with unconnected outputs.
- FIXIT: Rework API to registerOutput() approach, deprecate this call</div>
- <dl>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
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- <div class="block">Returns names of layers with unconnected outputs.
- FIXIT: Rework API to registerOutput() approach, deprecate this call</div>
- <dl>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
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- int inputsDtype,
- int outputsDtype)</pre>
- <div class="block">Returns a quantized Net from a floating-point Net.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>calibData</code> - Calibration data to compute the quantization parameters.</dd>
- <dd><code>inputsDtype</code> - Datatype of quantized net's inputs. Can be CV_32F or CV_8S.</dd>
- <dd><code>outputsDtype</code> - Datatype of quantized net's outputs. Can be CV_32F or CV_8S.
- in per-channel way (channel-wise). Set it false to quantize model in per-tensor way (or tensor-wise).</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
- </dl>
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- <pre>public <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a> quantize(java.util.List<<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a>> calibData,
- int inputsDtype,
- int outputsDtype,
- boolean perChannel)</pre>
- <div class="block">Returns a quantized Net from a floating-point Net.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>calibData</code> - Calibration data to compute the quantization parameters.</dd>
- <dd><code>inputsDtype</code> - Datatype of quantized net's inputs. Can be CV_32F or CV_8S.</dd>
- <dd><code>outputsDtype</code> - Datatype of quantized net's outputs. Can be CV_32F or CV_8S.</dd>
- <dd><code>perChannel</code> - Quantization granularity of quantized Net. The default is true, that means quantize model
- in per-channel way (channel-wise). Set it false to quantize model in per-tensor way (or tensor-wise).</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
- </dl>
- </li>
- </ul>
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- <pre>public static <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a> readFromModelOptimizer(<a href="../../../org/opencv/core/MatOfByte.html" title="class in org.opencv.core">MatOfByte</a> bufferModelConfig,
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- <div class="block">Create a network from Intel's Model Optimizer in-memory buffers with intermediate representation (IR).</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>bufferModelConfig</code> - buffer with model's configuration.</dd>
- <dd><code>bufferWeights</code> - buffer with model's trained weights.</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>Net object.</dd>
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- <pre>public static <a href="../../../org/opencv/dnn/Net.html" title="class in org.opencv.dnn">Net</a> readFromModelOptimizer(java.lang.String xml,
- java.lang.String bin)</pre>
- <div class="block">Create a network from Intel's Model Optimizer intermediate representation (IR).</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>xml</code> - XML configuration file with network's topology.</dd>
- <dd><code>bin</code> - Binary file with trained weights.
- Networks imported from Intel's Model Optimizer are launched in Intel's Inference Engine
- backend.</dd>
- <dt><span class="returnLabel">Returns:</span></dt>
- <dd>automatically generated</dd>
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- <pre>public void setHalideScheduler(java.lang.String scheduler)</pre>
- <div class="block">Compile Halide layers.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>scheduler</code> - Path to YAML file with scheduling directives.
- SEE: setPreferableBackend
- Schedule layers that support Halide backend. Then compile them for
- specific target. For layers that not represented in scheduling file
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- <div class="block">Sets the new input value for the network</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>blob</code> - A new blob. Should have CV_32F or CV_8U depth.
- SEE: connect(String, String) to know format of the descriptor.
- If scale or mean values are specified, a final input blob is computed
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- <div class="block">Sets the new input value for the network</div>
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- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>blob</code> - A new blob. Should have CV_32F or CV_8U depth.</dd>
- <dd><code>name</code> - A name of input layer.
- SEE: connect(String, String) to know format of the descriptor.
- If scale or mean values are specified, a final input blob is computed
- as:
- \(input(n,c,h,w) = scalefactor \times (blob(n,c,h,w) - mean_c)\)</dd>
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- double scalefactor)</pre>
- <div class="block">Sets the new input value for the network</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>blob</code> - A new blob. Should have CV_32F or CV_8U depth.</dd>
- <dd><code>name</code> - A name of input layer.</dd>
- <dd><code>scalefactor</code> - An optional normalization scale.
- SEE: connect(String, String) to know format of the descriptor.
- If scale or mean values are specified, a final input blob is computed
- as:
- \(input(n,c,h,w) = scalefactor \times (blob(n,c,h,w) - mean_c)\)</dd>
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- <pre>public void setInput(<a href="../../../org/opencv/core/Mat.html" title="class in org.opencv.core">Mat</a> blob,
- java.lang.String name,
- double scalefactor,
- <a href="../../../org/opencv/core/Scalar.html" title="class in org.opencv.core">Scalar</a> mean)</pre>
- <div class="block">Sets the new input value for the network</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>blob</code> - A new blob. Should have CV_32F or CV_8U depth.</dd>
- <dd><code>name</code> - A name of input layer.</dd>
- <dd><code>scalefactor</code> - An optional normalization scale.</dd>
- <dd><code>mean</code> - An optional mean subtraction values.
- SEE: connect(String, String) to know format of the descriptor.
- If scale or mean values are specified, a final input blob is computed
- as:
- \(input(n,c,h,w) = scalefactor \times (blob(n,c,h,w) - mean_c)\)</dd>
- </dl>
- </li>
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- <pre>public void setInputShape(java.lang.String inputName,
- <a href="../../../org/opencv/core/MatOfInt.html" title="class in org.opencv.core">MatOfInt</a> shape)</pre>
- <div class="block">Specify shape of network input.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>inputName</code> - automatically generated</dd>
- <dd><code>shape</code> - automatically generated</dd>
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- <pre>public void setInputsNames(java.util.List<java.lang.String> inputBlobNames)</pre>
- <div class="block">Sets outputs names of the network input pseudo layer.
- Each net always has special own the network input pseudo layer with id=0.
- This layer stores the user blobs only and don't make any computations.
- In fact, this layer provides the only way to pass user data into the network.
- As any other layer, this layer can label its outputs and this function provides an easy way to do this.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>inputBlobNames</code> - automatically generated</dd>
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- <pre>public void setParam(int layer,
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- <div class="block">Sets the new value for the learned param of the layer.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>layer</code> - name or id of the layer.</dd>
- <dd><code>numParam</code> - index of the layer parameter in the Layer::blobs array.</dd>
- <dd><code>blob</code> - the new value.
- SEE: Layer::blobs
- <b>Note:</b> If shape of the new blob differs from the previous shape,
- then the following forward pass may fail.</dd>
- </dl>
- </li>
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- <pre>public void setPreferableBackend(int backendId)</pre>
- <div class="block">Ask network to use specific computation backend where it supported.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>backendId</code> - backend identifier.
- SEE: Backend
- If OpenCV is compiled with Intel's Inference Engine library, DNN_BACKEND_DEFAULT
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- <pre>public void setPreferableTarget(int targetId)</pre>
- <div class="block">Ask network to make computations on specific target device.</div>
- <dl>
- <dt><span class="paramLabel">Parameters:</span></dt>
- <dd><code>targetId</code> - target identifier.
- SEE: Target
- List of supported combinations backend / target:
- | | DNN_BACKEND_OPENCV | DNN_BACKEND_INFERENCE_ENGINE | DNN_BACKEND_HALIDE | DNN_BACKEND_CUDA |
- |------------------------|--------------------|------------------------------|--------------------|-------------------|
- | DNN_TARGET_CPU | + | + | + | |
- | DNN_TARGET_OPENCL | + | + | + | |
- | DNN_TARGET_OPENCL_FP16 | + | + | | |
- | DNN_TARGET_MYRIAD | | + | | |
- | DNN_TARGET_FPGA | | + | | |
- | DNN_TARGET_CUDA | | | | + |
- | DNN_TARGET_CUDA_FP16 | | | | + |
- | DNN_TARGET_HDDL | | + | | |</dd>
- </dl>
- </li>
- </ul>
- </li>
- </ul>
- </li>
- </ul>
- </div>
- </div>
- <!-- ========= END OF CLASS DATA ========= -->
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