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Questions tagged [google-vision]

The Google Mobile Vision API for Android provides a framework for finding objects in photos and video.

The Google Mobile Vision API for Android provides a framework for finding objects in photos and video.

Note that issues related to the Google Cloud Vision API should use the tag "google-cloud-vision" rather than this tag.

Learn more about the Google Mobile Vision API through the Google Mobile Vision documentation and Google Mobile Vision sample apps.

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How to use mobile vision API with TextureView and Camera

I am using mobile vision API for scanning barcode. I am using TextureView to render camera on it. I read this github thread https://github.com/googlesamples/android-vision/issues/15 it seems mobile vision is not compatible with TextureView I see…
N Sharma
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Android Vision - Reduce bar code tracking window

I'm trying to implement Google Visions scanner into an app im working on. By default its a full screen activity and barcodes are tracked over the entire screen. However, I need a fullscreen camera but with a limited scanning window. For example, the…
devchimp
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Preview size for barcode scanner from vision api

I'm using the barcode-reader example from Google's Android Vision API. The preview size doesn't seem to fill up the whole space available (I'm using a Nexus 4 and there is a white unused space to the right of preview, about 1/3 of the width). I…
mmagician
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Android Computer Vision JavaCV OpenCV FastCV comparison

I am working on school project and part of it should be about current situation about computer vision libraries for Android. I went to it with large enthusiasm because computer vision seems like fascinating subject but I have been searching for more…
Peter
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Google Vision API possible memory leak

I'm trying to make an app to process a set of frames, stored as jpg into the app using Google-vision API. The pipeline is simple. 1) I create the detector with some options: _options = @{ GMVDetectorFaceLandmarkType :…
Ivan
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ML Kit Vision on-device text recognition not downloading model: Waiting for the text recognition model to be downloaded. Please wait

I know there are many similar questions (here, here or here) but even though I've followed the suggested instructions I'm still facing the same issue. Even though it seems I have the project configured correctly, the Firebase ML Kit seems to have…
Izadi Egizabal
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Text extraction - line-by-line

I am using Google Vision API, primarily to extract texts. I works fine, but for specific cases where I would need the API to scan the enter line, spits out the text before moving to the next line. However, it appears that the API is using some kind…
Alagappan Narayanan
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Google Vision for PDF

I need to send a PDF file to Google Vision to extract and return text. From documentation I understood that DPF file must be located on Google Storage, so I am putting the file to my Google Storage bucket like this: require…
santa
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How to create Bitmap from grayscaled byte buffer image?

I am trying to get frame image to process while using new Android face detection mobile vision api. So I have created Custom Detector to get Frame and tried to call getBitmap() method but it is null so I accessed grayscale data of frame. Is there a…
rcmalli
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Cloud Vision API poorly recognizes 7-segment numbers

The simplest example of what I'm trying to recognize: I use DOCUMENT_TEXT_DETECTION, but in the answer I get the hieroglyphics. If I use Eng in the ImageContext parameter for the addAllLanguageHints method, then I have 111 in result. Better, but…
berek
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Image preprocessing for egg marking recognition with Tesseract

The goal is to make an app which can recognize egg markings, for example 0-DE-134461. I tried both Tesseract and the Google Vision API on the following images. The results from both OCR engines are disastrous. 0-DE-46042 Tesseract → "" Google…
Tomasito665
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Google Vision Batch Annotate Images with Java Client Library

I am getting an exception when trying to annotate images via Google Vision using the provided java client google vision. specifically this code where the batch client.batchAnnotateImages occurs: public void processOCR(byte[] file) { …
Johann Combrink
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Where to use Language hints in google-vision text-detection api?

So I know that google-vision api supports multiple language for text-detection. And by using the code below I can detect english language from image. But according to google I can use the parameter language hints to detect other languages. So where…
sayeedk06
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Android Mobile Vision API and ML Kit installed without Google Play Services

I have an Android app that uses Android Mobile Vision API to recognise text (OCR). However, the device that the app is installed on has no Google Play Services installed. I want to find out if it is possible to install ONLY Mobile Vision API or ML…
Pingpong
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google.api_core.exceptions.ServiceUnavailable: 503 Getting metadata from plugin failed with error: 'str' object has no attribute 'before_request'

I'm trying to iterate through images in a directory and get their labels through goodle_api_vision. This is my code: def run_quickstart(): import io import os import cv2 import numpy as np from google.cloud import vision …
Stefano Pozzi
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