object-detection

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HOG for "detecting object" opencv

I would like to know, if there is any code or any good documentation available for implementing HOG features? I tried to read the documentation 开发者_如何学Gohere but it\'s quite difficult to underst[详细]

2023-04-11 01:22 分类：问答
How can I match a template with the original image by SURF?

Recently, I have worked with robotics project; my robot can detect the object by its 开发者_如何学Ccolour but I found that not good enough for different object. Therefore, I want the robot SURF the im[详细]

2023-04-10 13:50 分类：问答
Getting started in OpenCV, recommendation for API functions to use

I\'m just getting started with OpenCV and I\'m planning to build a robot with computer vision. I am looking to make this robot recognize classes of objects as well as individual instances. In a sense,[详细]

2023-04-09 12:00 分类：问答
Difference between feature detection and object detection

I know that most common object detection involves Haar cascades and that there are many techniques for feature detection such as SIFT, SURF, STAR, ORB, etc... but if my end goal is to recognizes objec[详细]

2023-04-09 04:50 分类：问答
Average distance of two line segments in 2d/3d

Intro: I\'m working on an image processing task trying to find two borders of an object, which can be described by two straight line segments. I\'m using some variant of the hough line transform to fi[详细]

2023-04-04 08:17 分类：问答
OpenCV - Object matching using SURF descriptors and BruteForceMatcher

I have a question about objects matching with OpenCV. I\'m useing SURF algorithm implemented in opencv 2.3 to first detect features on each image, and then extracting the descriptors of these features[详细]

2023-04-02 11:44 分类：问答
Object detection + segmentation

I \'m trying to find an efficient way of acceptable complexity to detect an object in an image so I can isolate it from its surroundings[详细]

2023-03-31 13:15 分类：问答
opencv cvblob -- render blobs other than white

I am trying to detect objects with cvblob. Somehow, my code only marks the white objects. How to mark objects of other colors, like a can of beer or a bottle of water.[详细]

2023-03-30 04:16 分类：问答
Opencv Motion detection with tracking

I need a robust mot开发者_开发问答ion detection and tracking in web cam\'s video frames. The background is always the same. The aim is to identify the position of the object, if possible without the s[详细]

2023-03-26 23:32 分类：问答
Javascript xmlHttpRequest object detection vs try..catch

When checking whether a particular browser supports AJAX, object detection is what I usually do: if (window.XMLHttpRequest)[详细]

2023-03-15 13:48 分类：问答