Add intensity_offset parameters

Author: kostrykin

tools/spot_detection_2d/spot_detection_2d.xml

@@ -7,6 +7,7 @@
             <param name="min_scale" type="float" value="1.0" min="0.1" label="Minimum scale" />
             <param name="max_scale" type="float" value="2.0" min="0.1" label="Maximum scale" />
         </xml>
+        <token name="@INTENSITY_OFFSET_HELP@">The offset of the coordinates where the intensities of the detections are sampled. An offset of 0 corresponds to the location of the detection.</token>
     </macros>
     <creator>
         <expand macro="creators/bmcv"/>
@@ -48,7 +49,10 @@
                     #if str($method.type) == "local_max":
 
                         "sigma": 1.0,
-                        "intensity_offset": [-1, -1]
+                        "intensity_offset": [
+                            $method.intensity_offset_y,
+                            $method.intensity_offset_x
+                        ]
 
                     #else:
 
@@ -88,7 +92,10 @@
             <when value="DoH">
                 <expand macro="param/multiscale"/>
             </when>
-            <when value="local_max"/>
+            <when value="local_max">
+                <param name="intensity_offset_x" type="integer" value="0" label="Intensity coordinate x-offset (in pixels)" help="@INTENSITY_OFFSET_HELP@"/>
+                <param name="intensity_offset_y" type="integer" value="0" label="Intensity coordinate y-offset (in pixels)" help="@INTENSITY_OFFSET_HELP@"/>
+            </when>
         </conditional>
         <param name="abs_threshold" type="float" value=".25" min="0" label="Minimum filter response (absolute)" help="Filter responses below this threshold will be ignored. Only filter responses above this thresholding will be considered as blobs. This threshold is ignored if the relative threshold (below) corresponds to a higher response." />
         <param name="rel_threshold" type="float" value="0" min="0" max="1" label="Minimum filter response (relative)" help="Same as the absolute threshold (above), but as a fraction of the overall maximum filter response of an image. This threshold is ignored if it corresponds to a response below the absolute threshold." />
@@ -148,6 +155,8 @@
             <param name="frame_end" value="0"/>
             <conditional name="method">
                 <param name="type" value="local_max"/>
+                <param name="intensity_offset_x" value="-1"/>
+                <param name="intensity_offset_y" value="-1"/>
             </conditional>
             <param name="abs_threshold" value="0"/>
             <param name="rel_threshold" value="0.1"/>