Unable to get faces object using detectFacesAsync method

I saved face image using Camera expo plugin with help of FileSystem in
from: response.uri,
to: folder + ‘/mySnap.jpg’
and its saved in directory “file:///data/user/0/host.exp.exponent/files/ExperienceData/%254user%252Fappname/appfolder/mySnap.jpg”,

When I am using to detect face with FaceDetector.detectFacesAsync method following output is return with empty faces I have passed that above fileuri in FaceDetector.detectFacesAsync parameter
[11:34:50] resultface, Object {
[11:34:50] “faces”: Array ,
[11:34:50] “image”: Object {
[11:34:50] “height”: 2048,
[11:34:50] “orientation”: 0,
[11:34:50] “uri”: “file:///data/user/0/host.exp.exponent/files/ExperienceData/%254user%252Fappname/appfolder/mySnap.jpg”,
[11:34:50] “width”: 1536,
[11:34:50] },

Following is the code for FaceDetector.detectFacesAsync
const options = { mode: FaceDetector.Constants.Mode.fast,
detectLandmarks: FaceDetector.Constants.Mode.none,
runClassifications: FaceDetector.Constants.Mode.none };
const detectObj = await FaceDetector.detectFacesAsync(imageUri, options);
console.log(‘resultface,’, detectObj);

imageUri is nothing but that image I saved using FileSystem.

Kindly please help how it will detect faces from images or something I have missed…

Also help with storing files in internal storage of device using expo FileSystem.

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