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Questions tagged [image-recognition]

Classification of a detected object into different known categories.

The classical problem in computer vision, image processing, and machine vision is that of determining whether or not the image data contains some specific object, feature, or activity. There are different varieties of this , such as object detection, Identification (like face recognition ), Content-based image retrieval ( like similar images option in google image search) etc.

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how to detect shapes in an image?

I want to detect a circle, rectangle shaped object in an image and read the information from that object. Is there any api in java which will be helpful to me? Ex: Detect a round shaped coin in a white background and obtain information about that…
Manoj
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Working with decision trees

I know tl;dr; I'll try to explain my problem without bothering you with ton's of crappy code. I'm working on a school assignment. We have pictures of smurfs and we have to find them with foreground background analysis. I have a Decision Tree in java…
TFennis
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Is there a way to get the color of a recognized object inside a picture?

I am using Tensorflow in order to recognize object in a provided picture , following this tutorial and using this repo I succeed to make my program return the object inside a picture . For example this is the picture I used as input: and here's…
Neji Soltani
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Making a trained model (machine learning) from 3D models

i have a database with almost 20k 3D files, they are drawings from machine parts designed in a CAD software (solid works). Im trying to build a trained model from all of this 3D models, so i can build a 3D object Recognition App when someone can…
Pablo L
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InvalidArgumentError: Expected dimension in the range [-1, 1) but got 1

I'm not sure what this error means. This error occurs when I try to calculate acc: acc = accuracy.eval(feed_dict = {x: batch_images, y: batch_labels, keep_prob: 1.0}) I've tried looking up solutions, but I couldn't find any online. Any ideas on…
mdlee6
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DrawMatching between two images - image recognition

I was trying to show the matched keypoints between two Images (one that is captured from my camera and the other from the database) Can anyone help me out in writing DrawMatches function in my code in order to show the matched lines between 2…
WhoAmI
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Image classification using SVM Python

I am currently working on a projet to perform image recognition. There is a big set of images and I have to predict whether or not an image contains given characteristics. For example, the output could be whether or not there is a banana in the…
Matt
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What to choose to begin with ComputerVision: Scikit-image or OpenCV?

My goal is to recognize specific types of traffic signs: red circles on video in real time.
ssssergey
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Pre-processing before digit recognition for NN & CNN trained with MNIST dataset

I'm trying to classify handwriting digits, written by myself and a few friends, by usign NN and CNN. In order to train the NN, MNIST dataset is used. The problem is the NN trained with MNIST dataset does not give satisfying test results on my…
yasin.yazici
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How can I implement text recognition on an iOS app?

I'm new to iOS development and I'm trying to make an app that, using the iPhone's camera, recognizes a string of numbers and converts them to text. Is there a module for iOS development that I can easily incorporate into my app? Or is there a…
user2565148
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Is the bias node necessary in very large neural networks?

I understand the role of the bias node in neural nets, and why it is important for shifting the activation function in small networks. My question is this: is the bias still important in very large networks (more specifically, a convolutional neural…
Hungry
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How can I use computer vision to find a shape in an image?

I have a simple photograph that may or may not include a logo image. I'm trying to identify whether a picture includes the logo shape or not. The logo (rectangular shape with a few extra features) could be of various sizes and could have multiple…
Ryan
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License plate recognition using OpenCV

I have a project where I need to identify the license plate of a car using OpenCV. I want to load an image of a number or a letter and let OpenCV identify it and print it to the console. Is there a function do this? If not, how can I do it? Note: I…
HAS
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Any visualizations of neural network decision process when recognizing images?

I'm enrolled in Coursera ML class and I just started learning about neural networks. One thing that truly mystifies me is how recognizing something so “human”, like a handwritten digit, becomes easy once you find the good weights for linear…
Dan Abramov
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Identify pattern in image

what is the best approach to identify a pattern (could be a text,signature, logo. NOT faces,objects,people,etc) in an image, given that all images are taken from the same angle, which means the pattern to identify will be ALWAYS visible at the same…
snoofkin
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