diff --git a/packages/google_mlkit_object_detection/lib/src/object_detector.dart b/packages/google_mlkit_object_detection/lib/src/object_detector.dart
index 5358ea8c..1c3c9429 100644
--- a/packages/google_mlkit_object_detection/lib/src/object_detector.dart
+++ b/packages/google_mlkit_object_detection/lib/src/object_detector.dart
@@ -194,14 +194,14 @@ class DetectedObject {
 
   /// Returns an instance of [DetectedObject] from a given [json].
   factory DetectedObject.fromJson(Map<dynamic, dynamic> json) {
-    final rect = RectJson.fromJson(json['rect']);
+    final boundingBox = RectJson.fromJson(json['rect']);
     final trackingId = json['trackingId'];
     final labels = <Label>[];
     for (final dynamic label in json['labels']) {
       labels.add(Label.fromJson(label));
     }
     return DetectedObject(
-      boundingBox: rect,
+      boundingBox: boundingBox,
       labels: labels,
       trackingId: trackingId,
     );
diff --git a/packages/google_mlkit_selfie_segmentation/lib/src/selfie_segmenter.dart b/packages/google_mlkit_selfie_segmentation/lib/src/selfie_segmenter.dart
index 2bc9c198..f91e85d8 100644
--- a/packages/google_mlkit_selfie_segmentation/lib/src/selfie_segmenter.dart
+++ b/packages/google_mlkit_selfie_segmentation/lib/src/selfie_segmenter.dart
@@ -77,10 +77,15 @@ class SegmentationMask {
 
   /// Returns an instance of [SegmentationMask] from a given [json].
   factory SegmentationMask.fromJson(Map<dynamic, dynamic> json) {
+    final values = json['confidences'];
+    final List<double> confidences = [];
+    for (final item in values) {
+      confidences.add(double.parse(item.toString()));
+    }
     return SegmentationMask(
       width: json['width'] as int,
       height: json['height'] as int,
-      confidences: json['confidences'] as List<double>,
+      confidences: confidences,
     );
   }
 }
diff --git a/packages/google_mlkit_text_recognition/lib/src/text_recognizer.dart b/packages/google_mlkit_text_recognition/lib/src/text_recognizer.dart
index 438af0b6..8015f9dd 100644
--- a/packages/google_mlkit_text_recognition/lib/src/text_recognizer.dart
+++ b/packages/google_mlkit_text_recognition/lib/src/text_recognizer.dart
@@ -95,10 +95,10 @@ class TextBlock {
   /// Returns an instance of [TextBlock] from a given [json].
   factory TextBlock.fromJson(Map<dynamic, dynamic> json) {
     final text = json['text'];
-    final rect = RectJson.fromJson(json['rect']);
+    final boundingBox = RectJson.fromJson(json['rect']);
     final recognizedLanguages =
         _listToRecognizedLanguages(json['recognizedLanguages']);
-    final points = _listToCornerPoints(json['points']);
+    final cornerPoints = _listToCornerPoints(json['points']);
     final lines = <TextLine>[];
     for (final line in json['lines']) {
       final textLine = TextLine.fromJson(line);
@@ -107,9 +107,9 @@ class TextBlock {
     return TextBlock(
       text: text,
       lines: lines,
-      boundingBox: rect,
+      boundingBox: boundingBox,
       recognizedLanguages: recognizedLanguages,
-      cornerPoints: points,
+      cornerPoints: cornerPoints,
     );
   }
 }
@@ -153,12 +153,12 @@ class TextLine {
   /// Returns an instance of [TextLine] from a given [json].
   factory TextLine.fromJson(Map<dynamic, dynamic> json) {
     final text = json['text'];
-    final rect = RectJson.fromJson(json['rect']);
+    final boundingBox = RectJson.fromJson(json['rect']);
     final confidence = json['confidence'];
     final angle = json['angle'];
     final recognizedLanguages =
         _listToRecognizedLanguages(json['recognizedLanguages']);
-    final points = _listToCornerPoints(json['points']);
+    final cornerPoints = _listToCornerPoints(json['points']);
     final elements = <TextElement>[];
     for (final element in json['elements']) {
       final textElement = TextElement.fromJson(element);
@@ -167,9 +167,9 @@ class TextLine {
     return TextLine(
       text: text,
       elements: elements,
-      boundingBox: rect,
+      boundingBox: boundingBox,
       recognizedLanguages: recognizedLanguages,
-      cornerPoints: points,
+      cornerPoints: cornerPoints,
       confidence: confidence,
       angle: angle,
     );
@@ -216,10 +216,10 @@ class TextElement {
   /// Returns an instance of [TextElement] from a given [json].
   factory TextElement.fromJson(Map<dynamic, dynamic> json) {
     final text = json['text'];
-    final rect = RectJson.fromJson(json['rect']);
+    final boundingBox = RectJson.fromJson(json['rect']);
     final recognizedLanguages =
         _listToRecognizedLanguages(json['recognizedLanguages']);
-    final points = _listToCornerPoints(json['points']);
+    final cornerPoints = _listToCornerPoints(json['points']);
     final confidence = json['confidence'];
     final angle = json['angle'];
     final symbols = <TextSymbol>[];
@@ -230,9 +230,9 @@ class TextElement {
     return TextElement(
       text: text,
       symbols: symbols,
-      boundingBox: rect,
+      boundingBox: boundingBox,
       recognizedLanguages: recognizedLanguages,
-      cornerPoints: points,
+      cornerPoints: cornerPoints,
       confidence: confidence,
       angle: angle,
     );
@@ -274,17 +274,17 @@ class TextSymbol {
   /// Returns an instance of [TextSymbol] from a given [json].
   factory TextSymbol.fromJson(Map<dynamic, dynamic> json) {
     final text = json['text'];
-    final rect = RectJson.fromJson(json['rect']);
+    final boundingBox = RectJson.fromJson(json['rect']);
     final recognizedLanguages =
         _listToRecognizedLanguages(json['recognizedLanguages']);
-    final points = _listToCornerPoints(json['points']);
+    final cornerPoints = _listToCornerPoints(json['points']);
     final confidence = json['confidence'];
     final angle = json['angle'];
     return TextSymbol(
       text: text,
-      boundingBox: rect,
+      boundingBox: boundingBox,
       recognizedLanguages: recognizedLanguages,
-      cornerPoints: points,
+      cornerPoints: cornerPoints,
       confidence: confidence,
       angle: angle,
     );