1,101 questions
1
vote
1
answer
36
views
Bounding box of a TikZ picture
The question is very simple: I have TikZ pictures inside a LaTeX document and I need to determine the heights and widths of their bounding boxs to calculate the aspect ratios.
I know how to do that ...
0
votes
0
answers
37
views
Text element has white spaces for bounding box (SVG)
How can I make the bounding box of an element as tight as possible? I’m working with SVG, and when I add a text element, the bounding box shows a lot of whitespace. The tspan element itself has a ...
- 21
0
votes
0
answers
42
views
Issue with Roboflow API in iOS Swift – Bounding Box Detected, But No Text Extracted
I'm currently working on an iOS app for my senior project using Swift, and I’m integrating the Roboflow API to detect and extract grocery items from receipt images. The API correctly returns bounding ...
1
vote
0
answers
21
views
XBIm - boundingbox wrong dimensions with circular buildingelementproxy
I am trying to get the dimensions of the buildingelementproxy in VB.net
with rectangular form the dimensions are correct but when i have a circular object the values are off by approx. 10mm..... ...
- 11
0
votes
2
answers
209
views
Issues with extracting images using bounding polygons from PDF with PyMuPDF
I'm working on a project where I need to extract specific images from a PDF using bounding polygons provided by Azure's Form Recognizer as JSON format. I'm using PyMuPDF (Fitz) to handle the PDF ...
- 13
2
votes
1
answer
125
views
How to fit rectangles over a point cloud distributed in a plane?
We have a point cloud which has points which lie in the same plane. They are distributed similar to the red dots in the image below, we want to fit rectangles denoted by the yellow boxes. These ...
- 111
1
vote
1
answer
55
views
Get bounding boxes of libraries using overpass turbo
I am trying to get the bounding boxes for each building libraries are in. However, my query is very unreliable.
Here is my query used in overpass turbo:
[out:json][timeout:1000];
area[name="...
- 355
4
votes
4
answers
131
views
Find the largest rectangular bounding box containing only ones in a 2d mask NumPy array
I have a 2d mask where I'd like to find the largest rectangular bounding box containing only ones.
Is there a more efficient way than determining all possibilities for bounding boxes and then ...
- 11.2k
0
votes
0
answers
49
views
PDFBox get bounding box of text results in incorrect size
I want to use PDFBox to get the texts from the pdf with their bounding boxes. I've managed to get together a code from here that does almost this, but as you can see the bounding boxes I get (drawn ...
- 302
1
vote
1
answer
177
views
How to get bounding box labels and it's format in Yolo 3D
I have had implemented Yolo 3D model in my workspace, and it is working fine. I am getting an image as an output. So I would like to know where I can get the labels for my 3D bounding boxes. And I ...
- 43
0
votes
0
answers
41
views
Calculating a list of voxels within multiple overlapping Axis-Aligned-Bounding-Boxes, without looping over the same space
I have a method that returns a list of voxel coordinates within an AABB. Let's say a voxel is 1x1x1 cm, and a bounding box is 2x2x2, then it will return 8 voxels by looping over the dimensions of the ...
0
votes
1
answer
207
views
Passing data to gradio Dataframe from JavaScript
I was making my own Bounding Box editor in gradio and succeeded to make some with written JS and HTML code using canvas, but now i need to pass an information from JS where boxes are drawn and saved ...
- 35
0
votes
0
answers
28
views
C# how to implement treeview_getitemrect for treeview node's bounding rectangle
The goal is to move the cursor to the selected treeview item's bounding box for sending left or right mouse clicks.
https://learn.microsoft.com/en-us/windows/win32/controls/tvm-getitemrect <- this ...
1
vote
1
answer
751
views
How to Load an Image onto a Canvas in Gradio with Custom HTML and JavaScript?
I am willing to make a bounding box editor implementation in gradio by creating html and js by myself (where user can move bboxes, scale and draw new ones). But i can't find a way to load an image to ...
- 35
0
votes
0
answers
51
views
PHP Calculation of area between coordinates fails for non-square rectangles in WGS84 CRS
I have a PHP function designed to calculate the area between two coordinates using the WGS84 Coordinate Reference System (CRS). The function works correctly when the rectangle formed by the ...
0
votes
0
answers
23
views
How can I calculate the sizes of the bounding boxes for a particular YOLOv5 class?
I have n classes that the Ultralytics YOLOv5 model is currently detecting. How can I get the average of the sizes of the bounding boxes for one particular class?
I tried back calculating the bounding ...
- 652
0
votes
0
answers
44
views
Draw on top of see-through hole in window
So I recently found out about the concept of "see through hole" on windows.
Managed to do it in PyQT5 using following code:
import sys
from PyQt5.QtCore import Qt, QRect, QPoint
from PyQt5....
- 523
0
votes
0
answers
66
views
Should we consider GeneralizedRCNNTransform while selecting anchor sizes in Faster R-CNN
I am training a Faster R-CNN on pytorch. The size of my images are 512x512 pixels. Until now, I computed the anchor sizes based on the sizes of my bounding box annotations on the 512x512 pixel images. ...
- 1
0
votes
0
answers
70
views
How to move camera in matter.js world?
I am making a RTS game in matter.js, similar to starcraft. One thing I want to implement is panning around with viewports.
I created the canvas and the world
const canvas = document.getElementById(&...
- 43.6k
1
vote
0
answers
85
views
Give "Human Reading" order to bounding boxes (Sort Bounding Box)
I want to sort bounding boxes in a way that a human would read a document using python.
Context:
I have a PDF document and I am using unilm DiT (Document image Transformer) to know which parts are ...
1
vote
0
answers
68
views
3D segmentation mask bounding box and removal of unwanted voxels
I have a 3D segmentation mask, and I want to resize it to the dimensions of the ROI and remove the unwanted voxels around it.
This is my code for creating the 3D bounding box around the region but it'...
- 11
0
votes
0
answers
43
views
Bounding box is in misplaced
I'm currently engaged in refining Faster RCNN. I annotate my images using makesense.ai. Within these images, I focus solely on a single class. However, upon plotting the images and bounding boxes, I'...
- 1
0
votes
1
answer
140
views
extracting data from an array within a bounding box defined by latitude and longitude
I have 'rh_irr’ which is an array of size 744*171*162 where 171 is latitude, 162 is longitude and 744 is time dimension. I also have arrays lat and lon both have size of 171*162 and contains ...
- 11
0
votes
0
answers
93
views
Getting a bounding box for the collective elements in an SVG file
I would like to use Python to arrive at the bounding box for the figures in an SVG file. All the previous questions I have seen on this suggest using svgpathtools; unfortunately the svg2paths() ...
- 47
1
vote
1
answer
89
views
Select polygons that are within a selected bounding box for a kontur population data
I have a data from https://data.humdata.org/dataset/kontur-population-dataset? and I would like to select the polygons that are within a bounding box. For instance I define bounding box as follows (a ...
- 33
0
votes
0
answers
107
views
MediaPipe Landmarks but for skeleton hand
I need to estimate the 3d bounding box of a 3d-printed skeletton hand, to overlay an AR 3d-model after that.
How could i trick the model to recognize my skeletton hand? Is there a more simple ...
0
votes
0
answers
205
views
Text extraction from pdf tables - differentiating between columns & rows
I'm using 'Fitz' library to extract text from a pdf file. Bounding boxes/rectangles will be drawn around tables from which text is supposed to be extracted.
The current extraction is returning the ...
- 117
0
votes
0
answers
14
views
Troubleshooting Error in 2D CNN Object Detection: 'Found 0 Images Belonging to 0 Classes'
I'm new to computer vision and would like to use 2D CNN for object detection. However, I'm encountering an error during training that says 'Found 0 images belonging to 0 classes.' Can someone explain ...
- 1
0
votes
0
answers
104
views
Print bounding box coordinates of dynamic object that detect using YOLOv5
I need to print the bounding box coordinates of a walking person in a video. Using YOLOv5 I detect the persons in the video. Each person is tracked. I need to print each person's bounding box ...
- 1
1
vote
0
answers
48
views
Get intersections from 2 lists of bounding boxes
I have 2 lists of bounding boxes (each bounding box is defined by x_min, y_min, x_max, y_max). Let's call them arr1, and arr2. I want to find out all the intersections of bounding boxes that happen in ...
- 11
0
votes
0
answers
220
views
YOLOv5 custom dataset object detection - Bounding box and Identification is not showing when I run my code
I'm currently learning how to do custom dataset object detection by using Yolov5. This is my current code and I am using PyCharm.
It does not show any bounding box or identification when I run an mp4 ...
0
votes
0
answers
67
views
raise ValueError(f"x_max is less than or equal to x_min for bbox {bbox}.")
I got this error
raise ValueError(f"x_max is less than or equal to x_min for bbox {bbox}.")
ValueError: x_max is less than or equal to x_min for bbox (tensor(0.3896), tensor(0.6458), tensor(...
- 1
1
vote
1
answer
132
views
Reskewing GCP Document AI Result
GCP's Document AI is pre-processing images to remove things like skew. The bounding boxes it produces correspond to the pre-processed image, not the image sent to the API. I need to reskew them so ...
- 11
0
votes
1
answer
111
views
Extracting Lines from a Blob with Emgu CV
Processed Image:
Problem: Fitting the edges of an unclosed rectangular shape
Description: I need to fit lines to the inner perimeter of the larger rectangle shape shown in the image. The issue I am ...
- 1
0
votes
1
answer
55
views
mouse click on sprite image rather than on its bounding box
In all the examples of games, which I examined, written in C++/C# using SFML, .NET Framework, WPF, Python and HTML5 a sprite reacts on mouseClick made within the sprite's bounding box.
Is there a ...
- 21
0
votes
1
answer
46
views
How to get the closest bottom left point in OrientedBoundingBox
I'm trying to get the pose (translation, rotation) of the (closest to origin on x then z) left point (furthest on y from origin) in OrientedBoundingBox, my problem is the bounding box in different ...
- 252
0
votes
0
answers
27
views
Problems with rounding numbers, halving, and offset when detecting collisions
I will try to visually explain my problem with an example.
There is some object (Fig. 1). The basis of the object is a straight line segment, which is defined by two points p0 and p1.
A frame is ...
- 11
1
vote
1
answer
816
views
How to rotate oriented bounding box in Open3D
i'm trying to crop a PointCloud using an OrientedBoundingBox with the Open3D built-in method, the pcl is not orthogonal with the axis and I need to get a bounding parallel to the pcl, I tried to set ...
- 27
0
votes
0
answers
103
views
How can I extract a bounding box around a picture of a slide in Python using cv2?
I have an image of a slide taken on a RaspberryPi, and I eventually want to be able to extract the slide number, which will always be in the bottom-right corner. I know that I can just use Tesseract ...
1
vote
1
answer
206
views
Is it possible to disable the bounding box in yolov8 after crop?
I want to make a crop of an object found by YOLOV8. I already have a trained model which detects the object and cuts it out but the bounding box always remains in the cutout. I don't know if it is ...
0
votes
1
answer
150
views
smoothing or deleting white background in an image with python-opencv
i'm pretty new to OpenCV and i have to do some work for it for uni. My issue is to make the Background perfectly white (who is already white but has some stains). for this i used this code:
This is ...
-2
votes
2
answers
57
views
`[0, 267, 270, 468]` describes a bbox, how do I get it from `[266.67, 0.0, 201.69, 269.58]`?
i got a set of modified annotations for a bunch of coco images. for example, [0, 267, 270, 468] and [254, 250, 458, 454] are 2 pieces from the set, describing two bboxes for the following image. (...
- 1,009
0
votes
1
answer
280
views
How to separate the rectangular stamp from the image/pdf in python?
I have a specific task where I need to extract stamps from both PDF and image files. However, the challenge is that the stamps are not consistently located in the same region in every file. The stamp'...
- 21
0
votes
2
answers
2k
views
What kind of default image preprocessing is applied in Yolov8 model?
I am currently working with Ultralytics Yolov8 model for object detection.
I trained my model with a custom dataset. I annotated my dataset on Roboflow and exported in Yolov8 format.
The training ...
- 47
0
votes
1
answer
291
views
Crop a polygon to a bounding box without losing box edge
I am trying to crop polygons to a box
The function I got so far is:
import numpy as np
def crop_polygon(x, y, xmin, xmax, ymin, ymax):
# Create a mask to identify points inside the bounding box
...
- 41
1
vote
0
answers
26
views
java.lang.NoClassDefFoundError: org/mapsforge/core/model/BoundingBox - OSMOSIS
When trying to convert the OpenStreetMap file (.osm) to a Linker Address Map (.map) file I got this error. what's the solution would be?
here is the log:
C:\Users\ajual\Desktop\osmosis-0.40.1\bin>...
- 198
1
vote
0
answers
122
views
Matching predictions to groundtruths for multiple object detection
What is the best way to match pred_bbox to gt_bbox in a multiple object detection problem?
right now, I'm matching based on the maximum score (confidence score) and filtering out matches with IoU < ...
- 11
0
votes
0
answers
335
views
Solidworks macro, calculation of a bounding box
Here is my my macro, Solidworks tells me that it cannot calculate because of a type incompatibility for the calculation of XDim YDim and ZDim.
The goal of my macro is to collect parameters from the ...
0
votes
1
answer
308
views
Unity: Relocating objects via bounding box
I need to move one object to another based on their bounding boxes. I am trying to "set" an object down on top of another, so that the bottom of its bounding box is perfectly on the top of ...
- 1
0
votes
0
answers
1k
views
Get Bounding Box details from YOLOv8 inference
I am running a YOLOv8x model which has been trained on custom data. I want to get the inference results in a way which looks similar to this. The below snippet is an output from running an inference ...
- 1