保存带有透明通道的视频:文章来源:https://www.toymoban.com/news/detail-630772.html
import os
import imageio
from rembg import remove as removBg,new_session
from PIL import Image
import numpy as np
import cv2
from tqdm import tqdm
class cls_rembg():
def __init__(self,model_pth):
self.session = new_session(model_pth)
# 替换img_src 背景图路径为img_back_path,img_back_path == None 为透明
# 输入图片为 pil image 输出为替换好的 pil image
def remove_background(self,img_src,bgcolor = None,img_back_path = None,needRemoveBg = True):
imgret_newbg = img_src
output_png = img_src
if needRemoveBg:
if img_back_path is not None:
output_png = removBg(data = img_src,session=self.session,alpha_matting_erode_size = 5)
imgret_newbg = self.replace_background(output_png,img_back_path=img_back_path)
elif bgcolor is not None:
output_png = removBg(data = img_src,session=self.session,bgcolor = bgcolor,alpha_matting_erode_size = 5)
imgret_nobg = output_png
return imgret_newbg,imgret_nobg
if __name__ == '__main__':
rembg = cls_rembg('u2net_human_seg.onnx')
video_stream = cv2.VideoCapture("1.mp4")
face_nobg = 'test_nobg.mov'
#face_nobg = 'test_nobg.webm'
face_newbg = 'test_newbg.mp4'
video_writer = imageio.get_writer(face_nobg, format='FFMPEG', mode='I', codec='png', fps=30,
ffmpeg_params=['-pix_fmt', 'rgba'])
#video_writer = imageio.get_writer(face_nobg, format='FFMPEG', mode='I', codec='libvpx-vp9', fps=30)
frames_nobg = []
frames_newbg = []
full_frames = []
fps = video_stream.get(cv2.CAP_PROP_FPS)
while True:
still_reading, frame = video_stream.read()
if not still_reading:
video_stream.release()
break
full_frames.append(frame)
back_color = (255, 255, 255, 0)
if len(full_frames) > 0:
for idx in tqdm(range(len(full_frames)), 'remove/replace background'):
frame_face = Image.fromarray(cv2.cvtColor(full_frames[idx], cv2.COLOR_BGRA2RGBA))
frame_newbg, frame_nobg = rembg.remove_background(frame_face, back_color, None)
frames_nobg.append(frame_nobg)
image = np.array(frame_nobg)
# 确保图像的尺寸与第一个图像相同
#if image.shape[:2] != (700, 700):
#raise ValueError("All images should have the same dimensions.")
# 将图像的 alpha 通道分离出来
#alpha_channel = image[:, :, 3]
# 将图像的 alpha 通道与 RGB 通道合并,得到 RGBA 图像
#rgba_image = np.dstack((image[:, :, :3], alpha_channel))
video_writer.append_data(image)
video_writer.close()
#if len(frames_nobg) > 0:
#frames_nobg[0].save(face_nobg, save_all=True, append_images=frames_nobg, fps=float(fps))
保存带有透明通道的视频:文章来源地址https://www.toymoban.com/news/detail-630772.html
from moviepy.editor import VideoFileClip, CompositeVideoClip
from moviepy.video.io.ffmpeg_reader import FFMPEG_VideoReader
import imageio
zm_video_path = "test_nobg.mov"
if __name__ == '__main__':
#video_stream = imageio.get_reader("test_nobg.mov", format='FFMPEG', fps=30,
# ffmpeg_params=['-pix_fmt', 'rgba'])
video_stream = VideoFileClip('test_nobg.mov', has_mask=True).reader
frames_nobg = []
frames_newbg = []
full_frames = []
for num, frame in enumerate(video_stream.read_frame()):
full_frames.append(frame)
print('{}'.format(len(full_frames)))
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