Comments (4)
DayBreak-u
commented on June 24, 2024
您好，请问cv2.dct 具体是怎么操作的呀？
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YuqiangY
commented on June 24, 2024
您好，请问cv2.dct 具体是怎么操作的呀？
貌似是利用到了fft，反正两者计算结果是有差别的，但是最终的效果差不多
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luowei0701
commented on June 24, 2024
您好，jpeg2dct后得到的dct_y、dct_cr、dct_cb ，他是（M,N,64）大小的，这个64维度是不是按照低频到高频排列的，有没有ZigZag呢？
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J-JunChen
commented on June 24, 2024
@LBJ23233 请问你利用OpenCV实现的，有对DCT输入进行Normalize进行归一化吗？
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Related Issues (20)
- Should I merge the original mmdetection with the segmentation part?
- Where can i find the group codes? HOT 1
- could you provide a dockerfile? libjpeg62 makes me crazy.
- would you please let me know why return "img, F.upscale(img, self.upscale_factor, self.interpolation)" with 2 images? thanks HOT 2
- look for "block_composition" HOT 10
- Do you transform the images from BGR to YCbCr color space? HOT 2
- pretrained model can't be downloaded HOT 1
- The mobilenetv2 cannot be evaluated with your pretrained models. HOT 1
- the link to Training code is not available now ,could you update it again? HOT 5
- Cifar model not found
- About mean and std in transfrom HOT 1
- pretrained model can't be downloaded HOT 1
- How do you group the components with same frequency into one channel? HOT 1
- The code is so bad HOT 2
- pretrained model can't open HOT 5
- Questions about the dataloader and missing files HOT 1
- Missing transforms (ToYCrCb, ChromaSubsample, UpsampleDCT, CenterCropDCT) in cvtransforms.py HOT 3
- update training code
- how to decompress the pretrained model？
- could you share the env config?
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