diff --git a/chameleon-server/chameleon-vision.iml b/chameleon-server/chameleon-vision.iml
index 11b1a05d0..e14bee233 100644
--- a/chameleon-server/chameleon-vision.iml
+++ b/chameleon-server/chameleon-vision.iml
@@ -12,6 +12,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/CameraConfig.java b/chameleon-server/src/main/java/com/chameleonvision/config/CameraConfig.java
index 66d9df0da..b4176e3fa 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/config/CameraConfig.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/CameraConfig.java
@@ -51,7 +51,7 @@ public class CameraConfig {
private CameraJsonConfig loadConfig() {
CameraJsonConfig config = preliminaryConfig;
try {
- config = JacksonHelper.deserializer(configPath, CameraJsonConfig.class);
+ config = JacksonHelper.deserialize(configPath, CameraJsonConfig.class);
} catch (IOException e) {
System.err.printf("Failed to load camera config: %s - using default.\n", configPath.toString());
}
@@ -61,7 +61,7 @@ public class CameraConfig {
private CVPipelineSettings loadDriverMode() {
CVPipelineSettings driverMode = new CVPipelineSettings();
try {
- driverMode = JacksonHelper.deserializer(driverModePath, CVPipelineSettings.class);
+ driverMode = JacksonHelper.deserialize(driverModePath, CVPipelineSettings.class);
} catch (IOException e) {
System.err.println("Failed to load camera drivermode: " + driverModePath.toString());
}
@@ -75,7 +75,7 @@ public class CameraConfig {
private List loadCalibration() {
List calibrations = new ArrayList<>();
try {
- calibrations = List.of(Objects.requireNonNull(JacksonHelper.deserializer(calibrationPath, CameraCalibrationConfig[].class)));
+ calibrations = List.of(Objects.requireNonNull(JacksonHelper.deserialize(calibrationPath, CameraCalibrationConfig[].class)));
} catch (Exception e) {
System.err.println("Failed to load camera calibration: " + driverModePath.toString());
}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/ConfigManager.java b/chameleon-server/src/main/java/com/chameleonvision/config/ConfigManager.java
index 18da8285e..fd0f5dc5d 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/config/ConfigManager.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/ConfigManager.java
@@ -1,6 +1,5 @@
package com.chameleonvision.config;
-import com.chameleonvision.Main;
import com.chameleonvision.util.*;
import com.chameleonvision.vision.pipeline.CVPipelineSettings;
@@ -54,7 +53,7 @@ public class ConfigManager {
}
} else {
try {
- settings = JacksonHelper.deserializer(settingsFilePath, GeneralSettings.class);
+ settings = JacksonHelper.deserialize(settingsFilePath, GeneralSettings.class);
} catch (IOException e) {
System.err.println("Failed to load settings.json, using defaults.");
}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/PipelineConfig.java b/chameleon-server/src/main/java/com/chameleonvision/config/PipelineConfig.java
index e4d1c4757..256c6b784 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/config/PipelineConfig.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/PipelineConfig.java
@@ -1,5 +1,7 @@
package com.chameleonvision.config;
+import com.chameleonvision.config.serializers.StandardCVPipelineSettingsDeserializer;
+import com.chameleonvision.config.serializers.StandardCVPipelineSettingsSerializer;
import com.chameleonvision.util.FileHelper;
import com.chameleonvision.util.JacksonHelper;
import com.chameleonvision.vision.pipeline.*;
@@ -71,11 +73,20 @@ public class PipelineConfig {
var path = getPipelinePath(settings);
- try {
- JacksonHelper.serializer(path, settings);
- FileHelper.setFilePerms(path);
- } catch (IOException e) {
- e.printStackTrace();
+ if (settings instanceof StandardCVPipelineSettings) {
+ try {
+ JacksonHelper.serialize(path, (StandardCVPipelineSettings)settings, StandardCVPipelineSettings.class, new StandardCVPipelineSettingsSerializer());
+ FileHelper.setFilePerms(path);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ } else {
+ try {
+ JacksonHelper.serializer(path, settings);
+ FileHelper.setFilePerms(path);
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
}
}
@@ -119,7 +130,7 @@ public class PipelineConfig {
} else {
for(File pipelineFile : pipelineFiles) {
try {
- var pipe = JacksonHelper.deserializer(Paths.get(pipelineFile.getPath()), StandardCVPipelineSettings.class);
+ var pipe = JacksonHelper.deserialize(Paths.get(pipelineFile.getPath()), StandardCVPipelineSettings.class, new StandardCVPipelineSettingsDeserializer());
deserializedList.add(pipe);
} catch (IOException e) {
System.err.println("couldn't load cvpipeline2d");
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseDeserializer.java b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseDeserializer.java
new file mode 100644
index 000000000..69c5b86b3
--- /dev/null
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseDeserializer.java
@@ -0,0 +1,110 @@
+package com.chameleonvision.config.serializers;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+import com.fasterxml.jackson.databind.type.CollectionType;
+import com.fasterxml.jackson.databind.type.TypeFactory;
+import org.jetbrains.annotations.NotNull;
+import org.opencv.core.MatOfPoint3f;
+import org.opencv.core.Point3;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class BaseDeserializer extends StdDeserializer {
+ protected BaseDeserializer(Class> vc) {
+ super(vc);
+ }
+
+ JsonNode baseNode;
+
+ private static final CollectionType numberListColType = TypeFactory.defaultInstance().constructCollectionType(List.class, Number.class);
+ private CollectionType pointListColType = TypeFactory.defaultInstance().constructCollectionType(List.class, Object.class);
+ private static final ObjectMapper mapper = new ObjectMapper();
+ private static boolean nodeGood(JsonNode node) {
+ return node != null && !node.toString().equals("");
+ }
+
+ List getNumberList(String name, List defaultValue) throws JsonProcessingException {
+ JsonNode node = baseNode.get(name);
+
+ if (nodeGood(node)) {
+ return mapper.readValue(node.toString(), numberListColType);
+ }
+ return defaultValue;
+ }
+
+ boolean getBoolean(String name, boolean defaultValue) {
+ JsonNode node = baseNode.get(name);
+
+ if (nodeGood(node)) {
+ return node.booleanValue();
+ }
+
+ return defaultValue;
+ }
+
+ int getInt(String name, int defaultValue) {
+ return (int) getDouble(name, defaultValue);
+ }
+
+ double getDouble(String name, double defaultValue) {
+ JsonNode node = baseNode.get(name);
+
+ if (nodeGood(node)) {
+ return node.numberValue().doubleValue();
+ }
+
+ return defaultValue;
+ }
+
+ String getString(String name, String defaultValue) {
+ JsonNode node = baseNode.get(name);
+
+ if (nodeGood(node)) {
+ return node.asText();
+ }
+
+ return defaultValue;
+ }
+
+ > E getEnum(String name, Class enumClass, E defaultValue) throws IOException {
+ JsonNode node = baseNode.get(name);
+
+ if (nodeGood(node)) {
+ E[] possibleVals = enumClass.getEnumConstants();
+ String jsonVal = baseNode.get(name).asText();
+
+ for (E val : possibleVals) {
+ if (val.name().equals(jsonVal)) {
+ return val;
+ }
+ }
+ }
+
+ return defaultValue;
+ }
+ MatOfPoint3f getMatOfPoint3f(String name, MatOfPoint3f defaultValue) throws JsonProcessingException {
+ JsonNode node = baseNode.get(name);
+ if (nodeGood(node)){
+ List> numberList = mapper.readValue(node.toString(), pointListColType);
+ List point3List = new ArrayList<>();
+ for (List tmp : numberList){
+ Point3 p = new Point3();
+ p.x = tmp.get(0).doubleValue();
+ p.y = tmp.get(1).doubleValue();
+ p.z = tmp.get(2).doubleValue();
+ point3List.add(p);
+ }
+ MatOfPoint3f mat = new MatOfPoint3f();
+ mat.fromList(point3List);
+ return mat;
+ }
+
+ return defaultValue;
+ }
+}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseSerializer.java b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseSerializer.java
new file mode 100644
index 000000000..fdfbb9db8
--- /dev/null
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/BaseSerializer.java
@@ -0,0 +1,43 @@
+package com.chameleonvision.config.serializers;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import org.opencv.core.MatOfPoint3f;
+import org.opencv.core.Point;
+import org.opencv.core.Point3;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class BaseSerializer extends StdSerializer {
+ protected BaseSerializer(Class t) {
+ super(t);
+ }
+
+ JsonGenerator generator;
+
+ void writeNumberListAsNumberArray(String name, List list) throws IOException {
+ generator.writeArrayFieldStart(name);
+ for (Number i : list) {
+ generator.writeObject(i);
+ }
+ generator.writeEndArray();
+ }
+
+ > void writeEnum(String name, E num) throws IOException {
+ generator.writeFieldName(name);
+ generator.writeString(num.name());
+ }
+
+ void writeMatOfPoint3f(String name, MatOfPoint3f mat) throws IOException {
+ List point3List = mat.toList();
+ generator.writeArrayFieldStart(name);
+
+ for (Point3 point3 : point3List) {
+ double[] tmp = {point3.x, point3.y, point3.z};
+ generator.writeObject(tmp);
+ }
+ generator.writeEndArray();
+ }
+}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsDeserializer.java b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsDeserializer.java
new file mode 100644
index 000000000..ec909e477
--- /dev/null
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsDeserializer.java
@@ -0,0 +1,80 @@
+package com.chameleonvision.config.serializers;
+
+import com.chameleonvision.vision.enums.*;
+import com.chameleonvision.vision.pipeline.impl.StandardCVPipelineSettings;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.IntNode;
+
+import java.io.IOException;
+
+public class StandardCVPipelineSettingsDeserializer extends BaseDeserializer {
+ public StandardCVPipelineSettingsDeserializer() {
+ this(null);
+ }
+
+ private StandardCVPipelineSettingsDeserializer(Class> vc) {
+ super(vc);
+ }
+
+ @Override
+ public StandardCVPipelineSettings deserialize(JsonParser jsonParser, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+ // set BaseDeserializer parser reference.
+ baseNode = jsonParser.getCodec().readTree(jsonParser);
+
+ StandardCVPipelineSettings pipeline = new StandardCVPipelineSettings();
+
+ pipeline.index = getInt("index", pipeline.index);
+
+ pipeline.flipMode = getEnum("flipMode", ImageFlipMode.class, pipeline.flipMode);
+ pipeline.rotationMode = getEnum("rotationMode", ImageRotationMode.class, pipeline.rotationMode);
+
+ pipeline.nickname = getString("nickname", pipeline.nickname);
+
+ pipeline.exposure = getDouble("exposure", pipeline.exposure);
+ pipeline.brightness = getDouble("brightness", pipeline.brightness);
+ pipeline.gain = getDouble("gain", pipeline.gain);
+
+ pipeline.videoModeIndex = getInt("videoModeIndex", pipeline.videoModeIndex);
+
+ pipeline.streamDivisor = getEnum("streamDivisor", StreamDivisor.class, pipeline.streamDivisor);
+
+ pipeline.hue = getNumberList("hue", pipeline.hue);
+ pipeline.saturation = getNumberList("saturation", pipeline.saturation);
+ pipeline.value = getNumberList("value", pipeline.value);
+
+ pipeline.erode = getBoolean("erode", pipeline.erode);
+ pipeline.dilate = getBoolean("dilate", pipeline.dilate);
+
+ pipeline.area = getNumberList("area", pipeline.area);
+ pipeline.ratio = getNumberList("ratio", pipeline.ratio);
+ pipeline.extent = getNumberList("extent", pipeline.extent);
+
+ pipeline.speckle = getInt("speckle", (Integer) pipeline.speckle);
+
+ pipeline.isBinary = getBoolean("isBinary", pipeline.isBinary);
+
+ pipeline.sortMode = getEnum("sortMode", SortMode.class, pipeline.sortMode);
+ pipeline.targetRegion = getEnum("targetRegion", TargetRegion.class, pipeline.targetRegion);
+ pipeline.targetOrientation = getEnum("targetOrientation", TargetOrientation.class, pipeline.targetOrientation);
+
+ pipeline.multiple = getBoolean("multiple", pipeline.multiple);
+
+ pipeline.targetGroup = getEnum("targetGroup", TargetGroup.class, pipeline.targetGroup);
+ pipeline.targetIntersection = getEnum("targetIntersection", TargetIntersection.class, pipeline.targetIntersection);
+
+ pipeline.point = getNumberList("point", pipeline.point);
+
+ pipeline.calibrationMode = getEnum("calibrationMode", CalibrationMode.class, pipeline.calibrationMode);
+
+ pipeline.dualTargetCalibrationM = getDouble("dualTargetCalibrationM", pipeline.dualTargetCalibrationM);
+ pipeline.dualTargetCalibrationB = getDouble("dualTargetCalibrationB", pipeline.dualTargetCalibrationB);
+
+ pipeline.is3D = getBoolean("is3D", pipeline.is3D);
+ pipeline.targetCornerMat = getMatOfPoint3f("targetCornerMat", pipeline.targetCornerMat);
+
+ return pipeline;
+ }
+}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsSerializer.java b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsSerializer.java
new file mode 100644
index 000000000..c787d3145
--- /dev/null
+++ b/chameleon-server/src/main/java/com/chameleonvision/config/serializers/StandardCVPipelineSettingsSerializer.java
@@ -0,0 +1,82 @@
+package com.chameleonvision.config.serializers;
+
+import com.chameleonvision.vision.pipeline.impl.StandardCVPipelineSettings;
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+
+import java.io.IOException;
+
+public class StandardCVPipelineSettingsSerializer extends BaseSerializer {
+ public StandardCVPipelineSettingsSerializer() {
+ this(null);
+ }
+
+ private StandardCVPipelineSettingsSerializer(Class t) {
+ super(t);
+ }
+
+ @Override
+ public void serialize(StandardCVPipelineSettings pipeline, JsonGenerator gen, SerializerProvider provider) throws IOException {
+ // set BaseSerializer generator reference.
+ generator = gen;
+
+ gen.writeStartObject();
+
+ gen.writeNumberField("index", pipeline.index);
+
+ writeEnum("flipMode", pipeline.flipMode);
+ writeEnum("rotationMode", pipeline.rotationMode);
+
+ gen.writeStringField("nickname", pipeline.nickname);
+
+ gen.writeNumberField("exposure", pipeline.exposure);
+ gen.writeNumberField("brightness", pipeline.brightness);
+ gen.writeNumberField("gain", pipeline.gain);
+
+ gen.writeNumberField("videoModeIndex", pipeline.videoModeIndex);
+
+ writeEnum("streamDivisor", pipeline.streamDivisor);
+
+ writeNumberListAsNumberArray("hue", pipeline.hue);
+ writeNumberListAsNumberArray("saturation", pipeline.saturation);
+ writeNumberListAsNumberArray("value", pipeline.value);
+
+ gen.writeBooleanField("erode", pipeline.erode);
+ gen.writeBooleanField("dilate", pipeline.dilate);
+
+ writeNumberListAsNumberArray("area", pipeline.area);
+ writeNumberListAsNumberArray("ratio", pipeline.ratio);
+ writeNumberListAsNumberArray("extent", pipeline.extent);
+
+ // speckle rejection
+ gen.writeNumberField("speckle", (Integer) pipeline.speckle);
+
+ // stream output (camera feed, or thresholded feed)
+ gen.writeBooleanField("isBinary", pipeline.isBinary);
+
+ writeEnum("sortMode", pipeline.sortMode);
+ writeEnum("targetRegion", pipeline.targetRegion);
+ writeEnum("targetOrientation", pipeline.targetOrientation);
+
+ // show multiple targets when drawing
+ gen.writeBooleanField("multiple", pipeline.multiple);
+
+ writeEnum("targetGroup", pipeline.targetGroup);
+ writeEnum("targetIntersection", pipeline.targetIntersection);
+
+ // single calibration point
+ writeNumberListAsNumberArray("point", pipeline.point);
+
+ // target X/Y calibration
+ writeEnum("calibrationMode", pipeline.calibrationMode);
+
+ // TODO: better names? or use an array?
+ gen.writeNumberField("dualTargetCalibrationM", pipeline.dualTargetCalibrationM);
+ gen.writeNumberField("dualTargetCalibrationB", pipeline.dualTargetCalibrationB);
+
+
+ gen.writeBooleanField("is3D", pipeline.is3D);
+ writeMatOfPoint3f("targetCornerMat", pipeline.targetCornerMat);
+ gen.writeEndObject();
+ }
+}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/scripting/ScriptManager.java b/chameleon-server/src/main/java/com/chameleonvision/scripting/ScriptManager.java
index 9385a13c3..f85e3fb61 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/scripting/ScriptManager.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/scripting/ScriptManager.java
@@ -1,24 +1,18 @@
package com.chameleonvision.scripting;
import com.chameleonvision.Debug;
-import com.chameleonvision.Main;
import com.chameleonvision.config.ConfigManager;
import com.chameleonvision.util.JacksonHelper;
import com.chameleonvision.util.LoopingRunnable;
import com.chameleonvision.util.Platform;
-import com.chameleonvision.util.ProgramDirectoryUtilities;
-import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
-import java.util.Objects;
-import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingDeque;
-import java.util.concurrent.LinkedBlockingQueue;
public class ScriptManager {
@@ -94,7 +88,7 @@ public class ScriptManager {
static List loadConfig() {
try {
- var raw = JacksonHelper.deserializer(scriptConfigPath, ScriptConfig[].class);
+ var raw = JacksonHelper.deserialize(scriptConfigPath, ScriptConfig[].class);
if (raw != null) {
return List.of(raw);
}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/util/FileHelper.java b/chameleon-server/src/main/java/com/chameleonvision/util/FileHelper.java
index 13ff9e3a2..04d97fc2c 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/util/FileHelper.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/util/FileHelper.java
@@ -1,5 +1,7 @@
package com.chameleonvision.util;
+import com.chameleonvision.Debug;
+
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
@@ -20,7 +22,7 @@ public class FileHelper {
File thisFile = path.toFile();
Set perms = Files.readAttributes(path, PosixFileAttributes.class).permissions();
if (!perms.equals(allReadWriteExecutePerms)) {
- System.out.printf("setting perms on %s\n", path.toString());
+ Debug.printInfo("Setting perms on" + path.toString());
Files.setPosixFilePermissions(path, perms);
if (thisFile.isDirectory()) {
for (File subfile : thisFile.listFiles()) {
diff --git a/chameleon-server/src/main/java/com/chameleonvision/util/JacksonHelper.java b/chameleon-server/src/main/java/com/chameleonvision/util/JacksonHelper.java
index 8979b4621..d6da705a7 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/util/JacksonHelper.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/util/JacksonHelper.java
@@ -1,9 +1,14 @@
package com.chameleonvision.util;
+import com.chameleonvision.config.serializers.StandardCVPipelineSettingsDeserializer;
+import com.chameleonvision.vision.pipeline.impl.StandardCVPipelineSettings;
import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.json.JsonMapper;
import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import java.io.File;
import java.io.IOException;
@@ -18,7 +23,7 @@ public class JacksonHelper {
objectMapper.writerWithDefaultPrettyPrinter().writeValue(new File(path.toString()), object);
}
- public static T deserializer(Path path, Class ref) throws IOException {
+ public static T deserialize(Path path, Class ref) throws IOException {
PolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder().allowIfBaseType(ref).build();
ObjectMapper objectMapper = JsonMapper.builder().activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.JAVA_LANG_OBJECT).build();
File jsonFile = new File(path.toString());
@@ -27,4 +32,26 @@ public class JacksonHelper {
}
return null;
}
+
+ public static T deserialize(Path path, Class ref, StdDeserializer deserializer) throws IOException {
+ ObjectMapper objectMapper = new ObjectMapper();
+ SimpleModule module = new SimpleModule();
+ module.addDeserializer(ref, deserializer);
+ objectMapper.registerModule(module);
+
+ File jsonFile = new File(path.toString());
+ if (jsonFile.exists() && jsonFile.length() > 0) {
+ return objectMapper.readValue(jsonFile, ref);
+ }
+ return null;
+ }
+
+ public static void serialize(Path path, T object, Class ref, StdSerializer serializer) throws IOException {
+ ObjectMapper objectMapper = new ObjectMapper();
+ SimpleModule module = new SimpleModule();
+ module.addSerializer(ref, serializer);
+ objectMapper.registerModule(module);
+
+ objectMapper.writerWithDefaultPrettyPrinter().writeValue(new File(path.toString()), object);
+ }
}
diff --git a/chameleon-server/src/main/java/com/chameleonvision/vision/pipeline/impl/StandardCVPipelineSettings.java b/chameleon-server/src/main/java/com/chameleonvision/vision/pipeline/impl/StandardCVPipelineSettings.java
index 8b688abd5..dd8cd32d7 100644
--- a/chameleon-server/src/main/java/com/chameleonvision/vision/pipeline/impl/StandardCVPipelineSettings.java
+++ b/chameleon-server/src/main/java/com/chameleonvision/vision/pipeline/impl/StandardCVPipelineSettings.java
@@ -17,7 +17,7 @@ public class StandardCVPipelineSettings extends CVPipelineSettings {
public boolean dilate = false;
public List area = Arrays.asList(0.0, 100.0);
public List ratio = Arrays.asList(0.0, 20.0);
- public List extent = Arrays.asList(0, 100);
+ public List extent = Arrays.asList(0.0, 100.0);
public Number speckle = 5;
public boolean isBinary = false;
public SortMode sortMode = SortMode.Largest;