dynamsoft-docs · Mark-Dynamsoft · Feb 5, 2026 · Feb 4, 2026 · Feb 4, 2026 · Feb 4, 2026
diff --git a/_includes/sidelist-programming/programming-cpp.html b/_includes/sidelist-programming/programming-cpp.html
@@ -67,6 +67,7 @@
                         <li><a href="{{ site.dbr_cpp_api }}decoded-barcodes-unit.html" class="otherLinkColour">CDecodedBarcodesUnit</a></li>
                         <li><a href="{{ site.dbr_cpp_api }}deformation-resisted-barcode-image-unit.html" class="otherLinkColour">CDeformationResistedBarcodeImageUnit</a></li>
                         <li><a href="{{ site.dbr_cpp_api }}deformation-resisted-barcode.html" class="otherLinkColour">CDeformationResistedBarcode</a></li>
+                        <li><a href="{{ site.dbr_cpp_api }}eci-segment.html" class="otherLinkColour">CECISegment</a></li>
                         <li><a href="{{ site.dbr_cpp_api }}extended-barcode-result.html" class="otherLinkColour">CExtendedBarcodeResult</a></li>
                         <li><a href="{{ site.dbr_cpp_api }}localized-barcode-element.html" class="otherLinkColour">CLocalizedBarcodeElement</a></li>
                         <li><a href="{{ site.dbr_cpp_api }}localized-barcodes-unit.html" class="otherLinkColour">CLocalizedBarcodesUnit</a></li>
@@ -180,6 +181,7 @@
                 <li><a>Classes</a>
                     <ul>
                         <li><a href="{{ site.dcvb_cpp_api }}core/intermediate-results/abstract-intermediate-result-receiver.html" class="otherLinkColour">CAbstractIntermediateResultReceiver</a></li>
+                        <li><a href="{{ site.dcvb_cpp_api }}core/intermediate-results/auxiliary-region-element.html" class="otherLinkColour">CAuxiliaryRegionElement</a></li>
                         <li><a href="{{ site.dcvb_cpp_api }}core/intermediate-results/binary-image-unit.html" class="otherLinkColour">CBinaryImageUnit</a></li>
                         <li><a href="{{ site.dcvb_cpp_api }}core/basic-structures/captured-result-base.html" class="otherLinkColour">CCapturedResultBase</a></li>
                         <li><a href="{{ site.dcvb_cpp_api }}core/basic-structures/captured-result-item.html" class="otherLinkColour">CCapturedResultItem</a></li>
@@ -280,6 +282,12 @@
                 <li><a href="{{ site.dcvb_cpp_api }}license/license-module.html" class="otherLinkColour">CLicenseModule</a></li>
             </ul>
         </li>
+        <li><a>DynamsoftIdentityUtility</a>
+            <ul>
+                <li><a href="{{ site.dcvb_cpp_api }}id-utility/identity-processor.html" class="otherLinkColour">CIdentityProcessor</a></li>
+                <li><a href="{{ site.dcvb_cpp_api }}id-utility/identity-utility-module.html" class="otherLinkColour">CIdentityUtilityModule</a></li>
+            </ul>
+        </li>
         <li><a>DynamsoftImageProcessing</a>
             <ul>
                 <li><a href="{{ site.dcvb_cpp_api }}image-processing/image-processing-module.html" class="otherLinkColour">CImageProcessingModule</a></li>

diff --git a/_includes/sidelist-programming/programming-dotnet.html b/_includes/sidelist-programming/programming-dotnet.html
@@ -64,6 +64,7 @@
                         <li><a href="{{ site.dbr_dotnet_api }}decoded-barcodes-unit.html" class="otherLinkColour">DecodedBarcodesUnit</a></li>
                         <li><a href="{{ site.dbr_dotnet_api }}deformation-resisted-barcode-image-unit.html" class="otherLinkColour">DeformationResistedBarcodeImageUnit</a></li>
                         <li><a href="{{ site.dbr_dotnet_api }}deformation-resisted-barcode.html" class="otherLinkColour">DeformationResistedBarcode</a></li>
+                        <li><a href="{{ site.dbr_dotnet_api }}eci-segment.html" class="otherLinkColour">ECISegment</a></li>
                         <li><a href="{{ site.dbr_dotnet_api }}extended-barcode-result.html" class="otherLinkColour">ExtendedBarcodeResult</a></li>
                         <li><a href="{{ site.dbr_dotnet_api }}localized-barcode-element.html" class="otherLinkColour">LocalizedBarcodeElement</a></li>
                         <li><a href="{{ site.dbr_dotnet_api }}localized-barcodes-unit.html" class="otherLinkColour">LocalizedBarcodesUnit</a></li>
@@ -165,6 +166,7 @@
                 <li><a>Classes</a>
                     <ul>
                         <li><a href="{{ site.dcvb_dotnet_api }}core/intermediate-results/abstract-intermediate-result-receiver.html" class="otherLinkColour">AbstractIntermediateResultReceiver</a></li>
+                        <li><a href="{{ site.dcvb_dotnet_api }}core/intermediate-results/auxiliary-region-element.html" class="otherLinkColour">AuxiliaryRegionElement</a></li>
                         <li><a href="{{ site.dcvb_dotnet_api }}core/intermediate-results/binary-image-unit.html" class="otherLinkColour">BinaryImageUnit</a></li>
                         <li><a href="{{ site.dcvb_dotnet_api }}core/basic-classes/captured-result-base.html" class="otherLinkColour">CapturedResultBase</a></li>
                         <li><a href="{{ site.dcvb_dotnet_api }}core/basic-classes/captured-result-item.html" class="otherLinkColour">CapturedResultItem</a></li>
@@ -264,6 +266,12 @@
                 <li><a href="{{ site.dcvb_dotnet_api }}license/license-module.html" class="otherLinkColour">LicenseModule</a></li>
             </ul>
         </li>
+        <li><a>DynamsoftIdentityUtility</a>
+            <ul>
+                <li><a href="{{ site.dcvb_dotnet_api }}id-utility/identity-processor.html" class="otherLinkColour">IdentityProcessor</a></li>
+                <li><a href="{{ site.dcvb_dotnet_api }}id-utility/identity-utility-module.html" class="otherLinkColour">IdentityUtilityModule</a></li>
+            </ul>
+        </li>
         <li><a>DynamsoftImageProcessing</a>
             <ul>
                 <li><a href="{{ site.dcvb_dotnet_api }}image-processing/image-processing-module.html" class="otherLinkColour">ImageProcessingModule</a></li>

diff --git a/_includes/sidelist-programming/programming-java.html b/_includes/sidelist-programming/programming-java.html
@@ -26,7 +26,6 @@
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/auxiliary-classes/captured-result.html" class="otherLinkColour">CapturedResult</a></li>
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/auxiliary-classes/intermediate-result-manager.html" class="otherLinkColour">IntermediateResultManager</a></li>
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/auxiliary-classes/intermediate-result-receiver.html" class="otherLinkColour">IntermediateResultReceiver</a></li>
-                        <li><a href="{{ site.dcvb_java_api }}capture-vision-router/auxiliary-classes/preset-template.html" class="otherLinkColour">PresetTemplate</a></li>
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/auxiliary-classes/simplified-capture-vision-settings.html" class="otherLinkColour">SimplifiedCaptureVisionSettings</a></li>
                     </ul>
                 </li>
@@ -40,6 +39,7 @@
                     <ul>
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/enum-capture-state.html" class="otherLinkColour">EnumCaptureState</a></li>
                         <li><a href="{{ site.dcvb_java_api }}capture-vision-router/enum-image-source-state.html" class="otherLinkColour">EnumImageSourceState</a></li>
+                        <li><a href="{{ site.dcvb_java_api }}capture-vision-router/enum-preset-template.html" class="otherLinkColour">EnumPresetTemplate</a></li>
                     </ul>
                 </li>
             </ul>
@@ -62,6 +62,7 @@
                         <li><a href="{{ site.dbr_java_api }}decoded-barcodes-unit.html" class="otherLinkColour">DecodedBarcodesUnit</a></li>
                         <li><a href="{{ site.dbr_java_api }}deformation-resisted-barcode-image-unit.html" class="otherLinkColour">DeformationResistedBarcodeImageUnit</a></li>
                         <li><a href="{{ site.dbr_java_api }}deformation-resisted-barcode.html" class="otherLinkColour">DeformationResistedBarcode</a></li>
+                        <li><a href="{{ site.dbr_java_api }}eci-segment.html" class="otherLinkColour">ECISegment</a></li>
                         <li><a href="{{ site.dbr_java_api }}extended-barcode-result.html" class="otherLinkColour">ExtendedBarcodeResult</a></li>
                         <li><a href="{{ site.dbr_java_api }}localized-barcode-element.html" class="otherLinkColour">LocalizedBarcodeElement</a></li>
                         <li><a href="{{ site.dbr_java_api }}localized-barcodes-unit.html" class="otherLinkColour">LocalizedBarcodesUnit</a></li>
@@ -165,6 +166,7 @@
                 <li><a>Classes</a>
                     <ul>
                         <li><a href="{{ site.dcvb_java_api }}core/intermediate-results/abstract-intermediate-result-receiver.html" class="otherLinkColour">AbstractIntermediateResultReceiver</a></li>
+                        <li><a href="{{ site.dcvb_java_api }}core/intermediate-results/auxiliary-region-element.html" class="otherLinkColour">AuxiliaryRegionElement</a></li>
                         <li><a href="{{ site.dcvb_java_api }}core/intermediate-results/binary-image-unit.html" class="otherLinkColour">BinaryImageUnit</a></li>
                         <li><a href="{{ site.dcvb_java_api }}core/basic-classes/captured-result-base.html" class="otherLinkColour">CapturedResultBase</a></li>
                         <li><a href="{{ site.dcvb_java_api }}core/basic-classes/captured-result-item.html" class="otherLinkColour">CapturedResultItem</a></li>
@@ -269,6 +271,12 @@
                 <li><a href="{{ site.dcvb_java_api }}license/license-module.html" class="otherLinkColour">LicenseModule</a></li>
             </ul>
         </li>
+        <li><a>DynamsoftIdentityUtility</a>
+            <ul>
+                <li><a href="{{ site.dcvb_java_api }}id-utility/identity-processor.html" class="otherLinkColour">IdentityProcessor</a></li>
+                <li><a href="{{ site.dcvb_java_api }}id-utility/identity-utility-module.html" class="otherLinkColour">IdentityUtilityModule</a></li>
+            </ul>
+        </li>
         <li><a>DynamsoftImageProcessing</a>
             <ul>
                 <li><a href="{{ site.dcvb_java_api }}image-processing/image-processing-module.html" class="otherLinkColour">ImageProcessingModule</a></li>

diff --git a/_includes/sidelist-programming/programming-python.html b/_includes/sidelist-programming/programming-python.html
@@ -63,6 +63,7 @@
                         <li><a href="{{ site.dbr_python_api }}decoded-barcodes-unit.html" class="otherLinkColour">DecodedBarcodesUnit</a></li>
                         <li><a href="{{ site.dbr_python_api }}deformation-resisted-barcode-image-unit.html" class="otherLinkColour">DeformationResistedBarcodeImageUnit</a></li>
                         <li><a href="{{ site.dbr_python_api }}deformation-resisted-barcode.html" class="otherLinkColour">DeformationResistedBarcode</a></li>
+                        <li><a href="{{ site.dbr_python_api }}eci-segment.html" class="otherLinkColour">ECISegment</a></li>
                         <li><a href="{{ site.dbr_python_api }}extended-barcode-result.html" class="otherLinkColour">ExtendedBarcodeResult</a></li>
                         <li><a href="{{ site.dbr_python_api }}localized-barcode-element.html" class="otherLinkColour">LocalizedBarcodeElement</a></li>
                         <li><a href="{{ site.dbr_python_api }}localized-barcodes-unit.html" class="otherLinkColour">LocalizedBarcodesUnit</a></li>
@@ -164,6 +165,7 @@
                 <li><a>Classes</a>
                     <ul>
                         <li><a href="{{ site.dcvb_python_api }}core/intermediate-results/abstract-intermediate-result-receiver.html" class="otherLinkColour">AbstractIntermediateResultReceiver</a></li>
+                        <li><a href="{{ site.dcvb_python_api }}core/intermediate-results/auxiliary-region-element.html" class="otherLinkColour">AuxiliaryRegionElement</a></li>
                         <li><a href="{{ site.dcvb_python_api }}core/intermediate-results/binary-image-unit.html" class="otherLinkColour">BinaryImageUnit</a></li>
                         <li><a href="{{ site.dcvb_python_api }}core/basic-classes/captured-result-base.html" class="otherLinkColour">CapturedResultBase</a></li>
                         <li><a href="{{ site.dcvb_python_api }}core/basic-classes/captured-result-item.html" class="otherLinkColour">CapturedResultItem</a></li>
@@ -259,6 +261,12 @@
                 <li><a href="{{ site.dcvb_python_api }}license/license-module.html" class="otherLinkColour">LicenseModule</a></li>
             </ul>
         </li>
+        <li><a>DynamsoftIdentityUtility</a>
+            <ul>
+                <li><a href="{{ site.dcvb_python_api }}id-utility/identity-processor.html" class="otherLinkColour">IdentityProcessor</a></li>
+                <li><a href="{{ site.dcvb_python_api }}id-utility/identity-utility-module.html" class="otherLinkColour">IdentityUtilityModule</a></li>
+            </ul>
+        </li>
         <li><a>DynamsoftImageProcessing</a>
             <ul>
                 <li><a href="{{ site.dcvb_python_api }}image-processing/image-processing-module.html" class="otherLinkColour">ImageProcessingModule</a></li>

diff --git a/_includes/sidelist-programming/sidelist-parameters-organization.html b/_includes/sidelist-programming/sidelist-parameters-organization.html
@@ -434,6 +434,7 @@
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/barcode-width-range-array.html" class="otherLinkColour">BarcodeWidthRangeArray</a></li>
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/barcode-zone-bar-count-range-array.html" class="otherLinkColour">BarcodeZoneBarCountRangeArray</a></li>
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/barcode-zone-min-distance-to-image-borders.html" class="otherLinkColour">BarcodeZoneMinDistanceToImageBorders</a></li>
+                <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/barcode-zone-width-to-height-ratio-range-array.html" class="otherLinkColour">BarcodeZoneWidthToHeightRatioRangeArray</a></li>
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/code128-subset.html" class="otherLinkColour">Code128Subset</a></li>
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/data-matrix-module-isotropic.html" class="otherLinkColour">DataMatrixModuleIsotropic</a></li>
                 <li><a href="{{ site.dcvb_parameters_reference }}barcode-format-specification/data-matrix-size-options.html" class="otherLinkColour">DataMatrixSizeOptions</a></li>

diff --git a/programming/cplusplus/api-reference/core/enum-error-code.md b/programming/cplusplus/api-reference/core/enum-error-code.md
@@ -136,6 +136,8 @@ typedef enum ErrorCode
     EC_RECT_INVALID = -10080,
     /*The template version is incompatible. Please use a compatible template.*/
     EC_TEMPLATE_VERSION_INCOMPATIBLE = -10081,
+    /**The portrait zone could not be located on the identity document.*/
+    EC_PORTRAIT_ZONE_NOT_FOUND = -10082,
     /** -20000~-29999: DLS license error code. */
     /** No license. */
     EC_NO_LICENSE = -20000,

diff --git a/programming/cplusplus/api-reference/core/enum-region-object-element-type.md b/programming/cplusplus/api-reference/core/enum-region-object-element-type.md
@@ -40,6 +40,8 @@ typedef enum RegionObjectElementType
    /**The type of subclass SourceImageElement.*/
    ROET_SOURCE_IMAGE,
    /**The type of subclass TargetROIElement.*/
-   ROET_TARGET_ROI
+   ROET_TARGET_ROI,
+   /**The type of subclass AuxiliaryRegionElement.*/
+   ROET_AUXILIARY_REGION
 } RegionObjectElementType;
 ```
diff --git a/...g/cplusplus/api-reference/core/intermediate-results/auxiliary-region-element.md b/...g/cplusplus/api-reference/core/intermediate-results/auxiliary-region-element.md
@@ -0,0 +1,112 @@
+---
+layout: default-layout
+title: class CAuxiliaryRegionElement - Dynamsoft Core Module C++ Edition API Reference
+description: This page shows the C++ edition of the class CAuxiliaryRegionElement in Dynamsoft Core Module.
+keywords: auxiliary region element, c++
+---
+
+# CAuxiliaryRegionElement
+
+The `CAuxiliaryRegionElement` class represents an auxiliary region element that contains additional region information detected during processing (e.g., MRZ, portrait zones, signature areas). It inherits from the `CRegionObjectElement` class.
+
+**Remarks**
+
+Introduced in Dynamsoft Capture Vision version 3.4.1000.
+
+## Definition
+
+*Namespace:* dynamsoft::intermediate_results
+
+*Assembly:* DynamsoftCore
+
+*Inheritance:* [CRegionObjectElement]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html) -> CAuxiliaryRegionElement
+
+```cpp
+class CAuxiliaryRegionElement : public CRegionObjectElement
+```
+
+## Methods
+
+| Method               | Description |
+|----------------------|-------------|
+| [`GetName`](#getname) | Gets the name of this auxiliary region. |
+| [`GetConfidence`](#getconfidence) | Gets the confidence level of this auxiliary region detection. |
+| [`SetName`](#setname) | Sets the name of this auxiliary region. |
+| [`SetLocation`](#setlocation) | Sets the location of this auxiliary region. |
+| [`SetConfidence`](#setconfidence) | Sets the confidence level of this auxiliary region detection. |
+| **Methods Inherited from [CRegionObjectElement]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html):** | |
+| [`GetLocation`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#getlocation) | Gets the location of the region object element. |
+| [`GetReferencedElement`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#getreferencedelement) | Gets a pointer to a referenced region object element. |
+| [`GetElementType`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#getelementtype) | Gets the type of the region object element. |
+| [`GetImageData`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#getimagedata) | Gets the imageData of the region object element. |
+| [`Clone`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#clone) | Clone the region object element. |
+| [`Retain`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#retain) | Increases the reference count of the `CRegionObjectElement` object. |
+| [`Release`]({{ site.dcvb_cpp_api }}core/intermediate-results/region-object-element.html#release) | Decreases the reference count of the `CRegionObjectElement` object. |
+
+### GetName
+
+Gets the name of this auxiliary region.
+
+```cpp
+virtual const char* GetName() const = 0;
+```
+
+**Return value**
+
+Returns a string representing the region name (e.g., "MRZ", "PortraitZone", "SignatureArea").
+
+### GetConfidence
+
+Gets the confidence level of this auxiliary region detection.
+
+```cpp
+virtual int GetConfidence() const = 0;
+```
+
+**Return value**
+
+Returns the confidence value, typically in the range [0, 100].
+
+### SetName
+
+Sets the name of this auxiliary region.
+
+```cpp
+virtual void SetName(const char* name) = 0;
+```
+
+**Parameters**
+
+`[in] name` The region name to set (e.g., "MRZ", "PortraitZone", "SignatureArea").
+
+### SetLocation
+
+Sets the location of this auxiliary region.
+
+```cpp
+virtual int SetLocation(const CQuadrilateral& location) = 0;
+```
+
+**Parameters**
+
+`[in] location` A `CQuadrilateral` object defining the region boundaries.
+
+**Return value**
+
+Returns 0 if successful, otherwise returns an error code.
+
+**See Also**
+
+[CQuadrilateral]({{ site.dcvb_cpp_api }}core/basic-structures/quadrilateral.html)
+
+### SetConfidence
+
+Sets the confidence level of this auxiliary region detection.
+
+```cpp
+virtual void SetConfidence(int confidence) = 0;
+```
+
+**Parameters**
+
+`[in] confidence` The confidence value to set, typically in the range [0, 100].