Shuffle patches in image batch
I am trying to create a transform that shuffles the patches of each image in a batch. I aim to use it in the same manner as the rest of the transformations in torchvision: trans = transforms.Compose([ …
Tag: computer-vision
Convolution layer visualisation error (missing previous layer metadata).]
I am trying to visualize the convolution layer output to see that how the model is learning from the image. But during visualization, it shows the error as follows. The model trained perfectly, also …
Return boolean from cv2.inRange() if color is present in mask
I am making a mask using cv2.inRange(), which accepts an image, a lower bound, and an upper bound. The mask is working, but I want to return something like True/False or print(‘color present’) if the …
tflight graph created wrongly
I have the following frozen inference graph. This is for semantic segmentation using Deeplab (download graph here). I converting this graph to tflite format tflite_convert –output_file=test2….
How to merge lines after HoughLinesP?
My task is to find coordinates of lines (startX, startY, endX, endY) and rectangles (4 lines). Here is input file: I use the next code: img = cv2.imread(image_src) gray = cv2.cvtColor(img,cv2….
Android video frame processing
I am working on application that does some real time image processing on camera frames. For that, I use preview callback’s method onPreviewFrame. This works fine for cameras that support preview …
How to overlay text on image when working with cv::Mat type
I am using opencv 2.1. In my code I have a few images stored as Mat objects initialized like this: Mat img1 = imread(“img/stuff.pgm”, CV_LOAD_IMAGE_GRAYSCALE); I can display them properly using …
How can I determine distance from an object in a video?
I have a video file recorded from the front of a moving vehicle. I am going to use OpenCV for object detection and recognition but I’m stuck on one aspect. How can I determine the distance from a …