dct

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MATLAB - Trouble of converting training data to spectrogram

I am a student and new to signal processing just few months ago. I picked\"A Novel Fuzzy Approach to Speech Recognition\" for my project (you can google for the downloadable version).[详细]

2023-04-05 18:03 分类：问答
How do I apply a DCT to an image in Python?

I want to apply a Discrete C开发者_运维技巧osine Transform (as well as the inverse) to an image in Python and I\'m wondering what is the best way to do it and how.I\'ve looked at PIL and OpenCV but I[详细]

2023-03-28 20:57 分类：问答
Discrete Cosine Transformation formula disparity

Well, I was programming something 开发者_开发知识库that required the use of DCT. I found 2 resources for the DCT formula:[详细]

2023-03-25 08:45 分类：问答
DCT compression

How does the DCT (Discrete Cosine Transform) help to compress sound (or any wave-like data)? According to the DCT transform there are N input values and N output values as a result. Where is the compr[详细]

2023-02-28 17:47 分类：问答
dct什么意思是自动挡吗？

不要叫我小呆呆呆 2021-05-11 22:15 因为双离合变速器本质上是手动变速器的结构与发动机曲轴连接的仍是依靠硬性的离合器开手动的时候，半联动的状态，如操作不好使开发者_运维技巧，就会出现抖动现象，低档松油[详细]

2023-02-28 01:24 分类：问答
Finding number of quantizing layers in MATLAB

I\'m working on image processing, and I have an image that has been DCT\'d and quantized开发者_StackOverflow中文版 for 8 x 8 blocks of the 512 x 512 matrix, now I have to find how many quantizing leve[详细]

2023-02-12 18:01 分类：问答
Java parameter passing int[][]

I am trying to write a simple DCT algorithm in java. I want my findDCT method to have as a parameter an integer array like this:[详细]

2023-01-26 08:19 分类：问答
Problems with DCT and IDCT algorithm in java

Here I have my DCT algorithm class with \"applyDCT\" and \"applyIDCT\" methods. Technically after doing a forward DCT (discrete cosine transform) on a 2x2 table of random integers between 0 and 255, a[详细]

2023-01-26 00:18 分类：问答
Java: Getting JPEG DCT coefficients histogram

I need a Java library, code snippet,... to get the Frequency distribution of the 64 DCT coefficients of a JPEG file.[详细]

2023-01-24 21:00 分类：问答
DCT Compression - Block Size, Choosing Coefficients

I\'m trying to understand the effect of the Block Size and best strategy of choosing the Coefficients in DCT compression.[详细]

2022-12-14 22:52 分类：问答