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# 第三阶段：中级图像处理
## 1. 图像滤波
### 目标：
- 学会使用 ` OpenCV ` 进行图像滤波。
### 内容：
- 平滑滤波（均值滤波、高斯滤波）
- 边缘检测（ ` Sobel ` 、 ` Canny ` ）
- 形态学操作（腐蚀、膨胀）
### 实践：
#### 1.1 平滑滤波
- 平滑滤波可以有效去除图像中的噪声，常见的平滑滤波方法…
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I have three questions about Sobel Filter.
1. Regarding the reason why Sobel filter is derived as follows, I thought that a original 2d plane is a structure in which the x-axis increases from left …
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I'm Donggeon Kim. I'm posting because I have a question about the contents of lecture 4-2.
At 36p, it says …
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Hi, thanks for your research.
I took the liberty to fix some issues I've found in the code. I [published it here](https://github.com/neosr-project/neosr/blob/master/neosr/archs/cfsr_arch.py).
In par…
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## Sobel Edge Detection
### Applying Sobel Edge Detection to Images applying machine learning techniques.
I've been working on a personal project that supports automatic coloring book page gener…
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HI,I read the code about the _get_xsobel_coord in watermark_reconstruct.py
As we know ,the sobel is as follows:
```
/Users/travis/build/gnudatalanguage/gdl/src/math_fun_ac.cpp:771:19: warning: taking the absolute valu…
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i try to find edges in a image.
`
var doFindFeatures = function() {
tracking.Fast.THRESHOLD = window.fastThreshold;
context.drawImage(so…
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I'm getting memory issues on the HPC I use when I expand the number of Sobel points I use from e.g. 300 to 1000. Is there a reason why the call to TikTak would use appreciably more memory with more So…
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Here's the aot "run" part of the code. I can also give the aot_generate part if that's of consequence. When I don't load the image into ```left_buffer``` and leave it "empty", the code runs. Surprisin…