文章分类 -  Multimedia

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gst-launch
摘要:https://www.cxybb.com/article/weixin_30709061/96340395 转载于 本文链接:https://blog.csdn.net/weixin_30709061/article/details/96340395 注意:解码H.265流需要gstreamer版 阅读全文

posted @ 2021-11-09 22:28 cdekelon 阅读(1818) 评论(0) 推荐(0) 编辑

plancv ,resize
摘要:https://plantcv.readthedocs.io/en/latest/transform_resize/ 阅读全文

posted @ 2021-09-16 14:37 cdekelon 阅读(14) 评论(0) 推荐(0) 编辑

check detail of image ( exiftool , identify, file )
摘要:exiftool $ sudo apt install libimage-exiftool-perl https://superuser.com/questions/275502/how-to-get-information-about-an-image-picture-from-the-linux 阅读全文

posted @ 2021-09-08 18:07 cdekelon 阅读(59) 评论(0) 推荐(0) 编辑

identify RGB gray images
摘要:pip install identify sudo apt install imagemagick 阅读全文

posted @ 2021-08-24 16:57 cdekelon 阅读(4) 评论(0) 推荐(0) 编辑

resampling filter (7). Use Image.NEAREST (0), Image.LANCZOS (1), Image.BILINEAR (2), Image.BICUBIC (3), Image.BOX (4) or Image.HAMMING (5)
摘要:https://zhuanlan.zhihu.com/p/27504020 7.滤波器(filters):将多个输入像素映射为一个输出像素的几何操作 PIL提供了4种不同的采样滤波器: ① NEAREST:最近滤波。从输入图像中选取最近的像素作为输出像素。 ② BILINEAR:双线性内插滤波。在输 阅读全文

posted @ 2021-07-29 01:03 cdekelon 阅读(395) 评论(0) 推荐(0) 编辑

录音软件
摘要:Record a wav file for test, with the tool easyUS https://www.easeus.com/screen-recording-tips/record-wav-file-on-windows.html https://update.easeus.co 阅读全文

posted @ 2021-06-06 10:12 cdekelon 阅读(22) 评论(0) 推荐(0) 编辑

flip image image augmentation color blur gray RGB
摘要:https://pinetools.com/flip-image 阅读全文

posted @ 2021-04-09 19:07 cdekelon 阅读(31) 评论(0) 推荐(0) 编辑

ANTIALIAS antialias BILINEAR bilinear NEAREST nearset
摘要:return np.asarray(image.resize((w, h), Image.NEAREST)).transpose([2, 0, 1]).astype(np.float32).ravel() return np.asarray(image.resize((w, h), Image.AN 阅读全文

posted @ 2021-02-10 15:41 cdekelon 阅读(119) 评论(0) 推荐(0) 编辑

在线编辑图片
摘要:https://www.uupoop.com/ 在线拼图软件: https://www.gaoding.com/pintu 阅读全文

posted @ 2021-02-02 23:35 cdekelon 阅读(70) 评论(0) 推荐(0) 编辑

Online crop photo tool
摘要:https://www.batchphoto.com/espresso/ based on https://www.batchphoto.com/blog/top-10-apps-for-cropping-photos-on-windows/ 阅读全文

posted @ 2021-01-21 15:40 cdekelon 阅读(45) 评论(0) 推荐(0) 编辑

How to mask a image
摘要:import cv2 import numpy as np image = cv2.imread('24.jpg') result = cv2.rectangle(image,(150,180),(194,180),(107,107,107),12) cv2.imwrite('24_mask.jpg 阅读全文

posted @ 2021-01-21 00:15 cdekelon 阅读(53) 评论(0) 推荐(0) 编辑

generate mp4 video based on images
摘要:https://stackoverflow.com/questions/24961127/how-to-create-a-video-from-images-with-ffmpegffmpeg -framerate 30 -pattern_type glob -i '*.png' -c:v libx 阅读全文

posted @ 2021-01-20 11:19 cdekelon 阅读(120) 评论(0) 推荐(0) 编辑

change 30fps mp4 to 25fps
摘要:subject_001.mp4 is 30fps $ ffmpeg -r 25 -i subject_001.mp4 25fps_subject_001.mp4 阅读全文

posted @ 2021-01-04 21:17 cdekelon 阅读(102) 评论(0) 推荐(0) 编辑

video converter
摘要:http://www.videosoftdev.com/free-video-converter https://www.winxdvd.com/hd-video-converter-deluxe/?ins5.16.2&ttsoft=vcdwin-5.16.2-ins-undef-setup onl 阅读全文

posted @ 2020-12-15 16:56 cdekelon 阅读(249) 评论(0) 推荐(0) 编辑

How to plan h264 via VLC
摘要:https://reolink.com/how-to-play-h264-files-in-vlc/ Upgrade your VLC media player to the latest version and update VLC codecs. Force H.264 demuxer in V 阅读全文

posted @ 2020-12-15 16:55 cdekelon 阅读(61) 评论(0) 推荐(0) 编辑

Install nomachine
摘要:https://www.nomachine.com/download/download&id=113&s=ARM DEB version:1. Click on Download and save the DEB file.2. Install the package by using the gr 阅读全文

posted @ 2020-12-15 16:54 cdekelon 阅读(92) 评论(0) 推荐(0) 编辑

mov file --> jpg
摘要:$ ffmpeg -i video0/video.mov images0/%d.jpgffmpeg version 2.8.17-0ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 阅读全文

posted @ 2020-09-11 15:18 cdekelon 阅读(73) 评论(0) 推荐(0) 编辑

Draw process flow 流程图
摘要:https://app.diagrams.net/ 阅读全文

posted @ 2020-07-30 12:12 cdekelon 阅读(155) 评论(0) 推荐(0) 编辑

generate 20fps h264 based on 100 images
摘要:1. Generate test sources: image and its h264 file. - copy 1 images for 100 times. - generate 20fps yuv420p h264 file ( ffmpeg -framerate 20 -i "%d.png 阅读全文

posted @ 2020-07-27 13:56 cdekelon 阅读(67) 评论(0) 推荐(0) 编辑

check png file ffprobe -i xxx.mp4
摘要:$ identify -verbose xxx.png sudo add-apt-repository universe sudo add-apt-repository multiverse sudo apt update $ ffprobe -i subject_001.mp4ffprobe ve 阅读全文

posted @ 2020-07-07 14:38 cdekelon 阅读(661) 评论(0) 推荐(0) 编辑

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