The Shape Detection API detects faces, barcodes, and text in images. This API is part of the new capabilities project. Barcode detection has launched in Chrome 83 on certified devices with Google Play Services installed. Face and text detection are available behind a flag. This post will be updated as the Shape Detection API evolves.
This API is part of the new capabilities project. Barcode detection has launched in Chrome 83 on certified devices with Google Play Services installed. Face and text detection are available behind a flag. This post will be updated as the Shape Detection API evolves.
With APIs like
[navigator.mediaDevices.getUserMedia](https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia) and the Chrome for Android photo picker, it has become fairly easy to capture images or live video data from device cameras, or to upload local images. So far, this dynamic image data—as well as static images on a page—has been not been accessible by code, even though images may actually contain a lot of interesting features such as faces, barcodes, and text.
[FaceDetector](https://developer.android.com/reference/android/media/FaceDetector) or the iOS generic feature detector,
FaceDetector interface, barcode detection through the
BarcodeDetector interface, and text detection (Optical Character Recognition, (OCR)) through the
Caution: Text detection, despite being an interesting field, is not considered stable enough across either computing platforms or character sets to be standardized at the moment, which is why text detection has been moved to a separate informative specification.
As outlined above, the Shape Detection API currently supports the detection of faces, barcodes, and text. The following bullet list contains examples of use cases for all three features.
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