Automated Code Change

PiperOrigin-RevId: 919407165

Author: tensorflower-gardener

tensorflow_lite_support/cc/task/vision/utils/frame_buffer_utils.cc

@@ -265,7 +265,7 @@ OrientParams GetOrientParams(FrameBuffer::Orientation from_orientation,
   int from_index = GetOrientationIndex(from_orientation);
   int to_index = GetOrientationIndex(to_orientation);
   int angle = 0;
-  absl::optional<OrientParams::FlipType> flip;
+  std::optional<OrientParams::FlipType> flip;
 
   TFLITE_DCHECK(from_index > -1 && to_index > -1);
 
@@ -584,7 +584,7 @@ absl::Status FrameBufferUtils::Execute(
 }
 
 absl::Status FrameBufferUtils::Preprocess(
-    const FrameBuffer& buffer, absl::optional<BoundingBox> bounding_box,
+    const FrameBuffer& buffer, std::optional<BoundingBox> bounding_box,
     FrameBuffer* output_buffer, bool uniform_resizing) {
   std::vector<FrameBufferOperation> frame_buffer_operations;
   // Handle cropping and resizing.

tensorflow_lite_support/cc/task/vision/utils/image_tensor_specs.cc

@@ -89,7 +89,7 @@ StatusOr<const ImageProperties*> GetImagePropertiesIfAny(
   return tensor_metadata.content()->content_properties_as_ImageProperties();
 }
 
-StatusOr<absl::optional<NormalizationOptions>> GetNormalizationOptionsIfAny(
+StatusOr<std::optional<NormalizationOptions>> GetNormalizationOptionsIfAny(
     const TensorMetadata& tensor_metadata) {
   ASSIGN_OR_RETURN(
       const tflite::ProcessUnit* normalization_process_unit,
@@ -110,7 +110,7 @@ StatusOr<absl::optional<NormalizationOptions>> GetNormalizationOptionsIfAny(
                      mean_values->size(), " and ", std_values->size(), "."),
         TfLiteSupportStatus::kMetadataInvalidProcessUnitsError);
   }
-  absl::optional<NormalizationOptions> normalization_options;
+  std::optional<NormalizationOptions> normalization_options;
   if (mean_values->size() == 1) {
     normalization_options = NormalizationOptions{
         /* mean_values= */ {mean_values->Get(0), mean_values->Get(0),
@@ -145,7 +145,7 @@ StatusOr<ImageTensorSpecs> BuildInputImageTensorSpecs(
                    GetInputTensorMetadataIfAny(metadata_extractor));
 
   const ImageProperties* props = nullptr;
-  absl::optional<NormalizationOptions> normalization_options;
+  std::optional<NormalizationOptions> normalization_options;
   if (metadata != nullptr) {
     ASSIGN_OR_RETURN(props, GetImagePropertiesIfAny(*metadata));
     ASSIGN_OR_RETURN(normalization_options,

tensorflow_lite_support/cc/task/vision/utils/score_calibration.cc

@@ -159,7 +159,7 @@ absl::Status ScoreCalibration::InitializeFromParameters(
 
 float ScoreCalibration::ComputeCalibratedScore(const std::string& label,
                                                float uncalibrated_score) const {
-  absl::optional<Sigmoid> sigmoid = FindSigmoidParameters(label);
+  std::optional<Sigmoid> sigmoid = FindSigmoidParameters(label);
   if (!sigmoid.has_value() ||
       (sigmoid.value().min_uncalibrated_score.has_value() &&
        uncalibrated_score < sigmoid.value().min_uncalibrated_score.value())) {
@@ -189,7 +189,7 @@ float ScoreCalibration::ComputeCalibratedScore(const std::string& label,
   return std::max(std::min(calibrated_score, sigmoid.value().scale), 0.0f);
 }
 
-absl::optional<Sigmoid> ScoreCalibration::FindSigmoidParameters(
+std::optional<Sigmoid> ScoreCalibration::FindSigmoidParameters(
     const std::string& label) const {
   auto it = sigmoid_parameters_map_.find(label);
   if (it != sigmoid_parameters_map_.end()) {