Questions tagged [computer-vision]
Use this tag for questions related to Computer Vision -- any aspect of software that enables computers to perceive, understand and react to their environment using cameras. For questions related to image filtering and quantification, use the tag [image-processing] instead.
computer-vision
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Keras Tensorflow load_model function taking forever to load a model
I have trained a model (which identifies faces) using tensorflow and then saved it as 'facetracker.h5'. However when I try to load the model it just keeps on loading ' [*] ', as seen in the picture ...
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Unable to Add Attributes to Classes as Subclasses on Roboflow
I am using Roboflow to annotate my video and I am trying to add an attribute (Subclass) to the label box(class). I've checked all the resources and the latest documentation says that the feature to ...
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How to detect a rectangular paper in a complex image using openCV
How can the location of the paper rectangle be detected as a rotated in these images using opencv? The big problem is the background which makes it hard to extract only the paper.
I manage to get ...
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How do I compare a template sketch to an image of a manufactured part? [closed]
I have a template image that is used as the baseline to determine where parts are soldered onto a circuit board. I cannot guarantee the images to be the same size or scale. The baseline image is ...
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Should I train an OCR model for handwritten text recognition for a mobile app or just avail API services?
Is it worth building a handwritten text recognition model for a mobile app (need to finish this project by next month)? Must be at least 75% accurate.
I'm building a simple Android mobile app (react ...
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Parsing Error with YOLOv3 and OpenCV 4.10.0 when reading yolov3.cfg
I'm encountering a parsing error when attempting to load a YOLOv3 model using OpenCV 4.10.0 in Python. Specifically, the error occurs while trying to read the configuration file yolov3.cfg. Despite ...
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reconstructing 3D points using cv2.triangulatePoints vs doing it with equations do not yield same results
In the provided code snippet, I am performing stereo triangulation to reconstruct 3D points from corresponding 2D points captured by two different cameras.
First, I loaded calibration data such as ...
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Issues Detecting Line in QR Code for Orientation Detection [closed]
I'm currently working on a project that requires detecting the orientation of a QR code. I'm using the qrcode library to detect the center of the QR code and then trying to orient it using a line. ...
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Taking input from an Action Classifier Model in UE5
I have trained an action classifier model that classifies players action using web cam in real time.
It uses media pipe to detect the pose of the person and feeds the model with x, y, depth and ...
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How to unittest a complex calculation?
In the domain of computer vision, I want to unittest the projection of 3d coordinates to 2d(image) space, and some similar problems. My issue is that I cannot define in terms of numbers, what the ...
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How do the top and bottom layers of AlexNet communicate? [closed]
I am trying to re-implement Krizhevsky et al. (2012) using PyTorch, and I am confused how precisely the second and the third convolutional layers of the AlexNet model communicate (and same for inputs ...
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Lower and Upper thresholds for HSV determination [closed]
I am trying to detect the liquid height (blue) and particle (green) inside a two-phase pipe flow. However, I cannot figure out the thresholds for lower and higher HSV values in order to use for image ...
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Using instance segmentation on human cells for biology project
I am stuck doing some instance segmentation for my project that is related to biology.
I have some pictures of human cells (there is around 5 cells per image) and what I want to achieve is to create a ...
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How Can I Improve Real-Time Face Matching and Display Efficiency in a Multi-Camera System Using OpenCV and Dlib? [closed]
I am working on a real-time face recognition project where I have two cameras (Camera X and Camera Y) set up to capture images of people passing by. The goal is to match faces from Camera X with those ...
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Combine SIFT results for chunks [closed]
I have extremely large reference and target satellite images (4 bands each) which I want to tie using SIFT. I am exploring skimage for this purpose.
My strategy is to use a 'chunk-based' approach to ...
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