# image direction

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### Image retrieval: content-based Image Retrieval Technology _ Image Retrieval

Background and significance In the Web2.0 era, especially with the popularity of social networking sites like Flickr and Facebook, images, videos, audio, text and other heterogeneous data are growing at an alarming rate every day. For example,

First, I uploaded the image on the Apple mobile phone. After using JSSDK, the access direction was normal, but I used android to browse and upload images on the Apple mobile phone, then there will be problems in the image direction, which will be

### [Journal of mathematics, jiaricang University] 055th image filtering model of direction Diffusion

\$ \ BF abstract \$: This article gives a detailed description of section 5.4.1 of "methods of partial differential equations in image processing" Edited by Wang dakai.   \$ \ BF keywords \$: Image filtering; Direction diffusion model; matlab

### Android Development Practice: Mastering the camera's preview direction and photo orientation

Android Camera related application development, there is a need to clear the knowledge point is the camera's preview direction and the direction of photography, this article focused on this issue.The sensor direction of the image : The image data of

HOG (histograms of oriented gradients) gradient direction histogramThe directional gradient histogram (histogram of oriented Gradient, HOG) is a feature descriptor used for object detection in computer vision and image processing. This method uses

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### Python Image processing library (2)

1.4 SciPySciPy(http://scipy.org/) is an NumPy open source toolkit built on the basis of numerical operations. SciPyprovides many efficient operations to achieve numerical integration, optimization, statistics, signal processing, and the most

### Hog of target detection (histogram of gradient direction)---hog introduction 0

Gradient histogram feature (HOG) is a dense descriptor for local overlapping areas of an image, which is characterized by calculating the gradient direction histogram of the local area. Hog feature combined with SVM classifier has been widely used

### Brief Introduction to digital image processing

Overview of Digital Image Processing Digital Image Processing (Digital Image Processing), also known as computer image processing, refers to the process of converting an image signal into a digital signal and processing it using a computer. Digital

### Image processing Overview

Overview of Digital Image Processing Digital image processing, also known as computer image processing, refers to the process of converting an image signal into a digital signal and processing it using a computer. Digital image processing first

### Image Feature Overview

From http://blog.csdn.net/passball/article/details/5204132I found a good article on the Internet about image feature extraction. The project I made for myself was a bit similar and was released for your reference. Feature extraction is a concept in

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