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TFLite micro: Fix/improve suppression logic in speech example

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PiperOrigin-RevId: 245503306
This commit is contained in:
Yu-Cheng Ling 2019-04-26 16:02:25 -07:00 committed by TensorFlower Gardener
parent 24143a7933
commit 9eceb24a64
1 changed files with 2 additions and 2 deletions
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4
tensorflow/lite/experimental/micro/examples/micro_speech/recognize_commands.cc
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@ -124,8 +124,8 @@ TfLiteStatus RecognizeCommands::ProcessLatestResults(
time_since_last_top = current_time_ms - previous_top_label_time_; time_since_last_top = current_time_ms - previous_top_label_time_;
} }
if ((current_top_score > detection_threshold_) && if ((current_top_score > detection_threshold_) &&
(current_top_label != previous_top_label_) && ((current_top_label != previous_top_label_) ||
(time_since_last_top > suppression_ms_)) { (time_since_last_top > suppression_ms_))) {
previous_top_label_ = current_top_label; previous_top_label_ = current_top_label;
previous_top_label_time_ = current_time_ms; previous_top_label_time_ = current_time_ms;
*is_new_command = true; *is_new_command = true;