Opencv imwrite jpg

Opencv imwrite jpg. ). jpg using cv2. imwrite command just convert the image to uint8, thus turning everything white (that is, everything is truncated to 255, the max for uint8 channels 이 튜토리얼에서는 OpenCV 라이브러리의 imwrite() 함수를 사용하는 방법을 보여줍니다. . OpenCV 模块通常用于 Python 中的图像处理。该模块中的 imwrite() 函数可以将一个 numpy 数组导出为图像文件。 例如， OpenCVで画像ファイルを読み込む場合、imread、imwriteをよく使用するが、 imread、imwriteはASCII文字のみ使用可能なため、UNICODE文字の日本語があるとエラーになってしまう。 今回は、imread、imwriteするときに日本語ファイル名でも読み書き出来る方法を記載する。 Jan 22, 2023 · Here we use ArgumentParser to parse the user's "image" and "compression" arguments we then read the image file using opencv, and then use the imwrite function to output the compressed file. Open Source Computer Vision CV_IMWRITE_JPEG_QUALITY May 17, 2015 · I am loading 16 bit image using openCV in Python. The function imwrite saves the image to the specified file. nkmk. how do I write them in righ orientation? I would try it with windows tool, but it takes more than 15minutes to turn all the 4600 images to the right orientation Sep 28, 2014 · Of the JPEG compression pipeline, three of the compression steps can be configured by users of jpeglib or libjpeg-turbo: Chroma subsampling After the conversion from RGB to YCbCr, the chroma (color-carrying) channels: Chroma-blue and Chroma-red, are optionally stored in a lower resolution relative to the Luminance (Y) channel, also known as the Intensity or Grayscale channel, the latter is May 24, 2009 · There's opencv for python (documentation here). cvtColor() to translate images between several color spaces regarding color redundancy. Thwebcam is stereo so actually I have two image, LEFT and RIGHT. Here is how I used basler camera to get frame in the format of opencv: 接下来，我们可以使用OpenCV库中的cv2. Jun 6, 2022 · Because JPEG uses lossy compression, when color components (Cb, Cr) are decimated, and all the components (Y, Cb, Cr) have losses also at the DCT, quantization stages - you can't just "increase the quality" of the compressed image, because some information (moslty high-frequency and color) is already lost. imread() で画像を読み込む、cv2. Now we come to the coding part. 2 (built with Turbo JPEG from source) is saving all-white images. Conversion jpeg to png using Gimp and OpenCV are equal. ones((2,4,96,96),dtype=np. May 2, 2012 · It is probably due to some wrong wrapping of the imwrite() parameters from Python to C, cv2. データ準備. Jul 12, 2022 · 使用 OpenCV 库中的 imwrite() 函数. Code is like im = cv2. uint8) en = cv2. png (png images are different when read with OpenCV). jpg', image_name) Finally, let’s discuss how to write/save an image into the file directory, using the imwrite() function. hpp> Imwrite PNG specific flags used to tune the compression algorithm. jpg',img) When written to disk results in a 1-pixel wide JPEG. png Sep 6, 2018 · The imwrite command is saving all the images upside down. You should try to convert this constant to "int" ty encimgはencodeで作成されたオブジェクト、chにはOpenCV形式の画像チャンネルフラグ（CV_LOAD_IMAGE_*やIMREAD_*）を使用する。詳細はドキュメントを参照されたい。 Mar 20, 2020 · 参考文献. Use cv2. 4 and opencv==4. Default value is 3. imwrite()函数将图像保存到指定的文件夹中。以下是示例代码： import cv2 image_path = "path_to_image. Apr 23, 2019 · The step where you modify the coefficients is the part where you introduce loss, Using DCT is not lossless compression. In the client, when I recieve the image I decode it and I generate an Anaglyph 3D Effect. Apr 11, 2022 · According to the documentation, the IMWRITE_JPEG_LUMA_QUALITY parameter is supported. imwrite function saves a file named “newimage. selectROI returns the (x,y,w,h) values of a rectangle similar to cv2. me Jan 11, 2017 · You can do it with OpenCV's function imwrite: import cv2 cv2. OpenCV 라이브러리에서 imwrite() 함수 사용. See full list on note. jpg” that automatically converts the image to JPG format based on the filename extension. IMWRITE_JPEG_QUALITY 控制儲存的影像 Aug 16, 2017 · Hi. On the other hand, if I save image without any processing on the disc using imwrite() then image is saved as a 16-bit. Mar 12, 2012 · the compression style is automatically chosen from the file extension. Import OpenCV. Jan 7, 2013 · However, I am unable to write the image into jpeg. Nov 11, 2018 · I am using open CV, Python to save same camera Images in jpg and png format. imwrite_jpeg_progressive: 1を指定するとプログレッシブjpegを有効にして保存します。デフォルト値は0。 cv2. imwrite() 基于保存文件的扩展名选择保存图像的格式。 cv2. 今回は, OpenCVの関数での画像保存について書きました. In this guide, we will explore the ins and outs of the Python OpenCV imwrite() function. Converting the datatype to uint8 using pic = pic. 19. Mar 15, 2017 · IMWRITE_JPEG_QUALITY, 90]) ``` 以上示例代码将读取名为`example. Done! 😆 Image compression in just a few lines of code. We go through an example of applying transformations to an image object, and saving the image. imwrite() 函数将一个 numpy 数组另存为图像. 20. imread('image. I am not sure, but maybe its lossless. Finally we then display the new file size to the user. imsave() that loads the file and cv2. boundingRect(). imwrite() 只能保存 BGR 3通道图像，或 8 位单通道图像、或 PNG/JPEG/TIFF 16位无符号单通道图像。 参数说明： filename：要保存的文件的路径和名称，包括文件扩展名 I was wondering if there is a way to easily specify the compression factor when compressing images on opencv without having to declare a dummy vector. python OpenCV jpeg compression in memory. Then I do some processing on it and save it back on the disc using imwrite() function of openCV. imwrite("image_processed. It works fine with BMP formats, but just not JPG or any other formats. jpg") cv2. imwrite()関数は、画像を任意のストレージデバイスに保存するために使用されます。 Collection of free online converters, calculators, and tools related to colors, images, documents, maths, physics, and daily used tools. 1. To have CV2 correctly interpret the data, you need to decode it (equivalent to imread) Mar 28, 2016 · I want to save my output image in . imwrite_jpeg_optimize Mar 1, 2013 · Hi, Do you know how compression parameters works in imwrite. 5, 0. imencode(". jpg etc). (I'm using OpenCV C++). transpose() cv2. Do you save the image using cv2. imwrite("out. shape) #(x,y,3) gra With the help of OpenCV, we can perform various tasks such as object detection, image recognition, and video analysis. cvtColor() でグレースケールに変換してから保存すればよい。 4 days ago · #include <opencv2/imgcodecs. Is there also a way to do this in memory? Or should I write a function using cv2. You should now be able to apply OpenCV to: Load an image from disk Dec 28, 2023 · System Information OpenCV python version: 4. For PNG, it can be the compression level ( CV_IMWRITE_PNG_COMPRESSION ) from 0 to 9. imwrite() takes a filename as an argument, and then uses the file extension to infer the image type to write (. My web cam is FUll HD (1920×1080 px). Syntax: cv2. imwrite('output-imwrite. imwrite() method, it save a file in 640x480 pixel size. read() # convert to jpeg and save in variable image_bytes = cv2. Oct 27, 2021 · Working With OpenCV imwrite() Once the above steps are completed, the PyCharm IDE project would be ready to use. imwrite(outfile, resized_im) When looking at the r Apr 20, 2016 · Sorry for the late reply, I was very busy otherwise. For the time being I use the image save function of QT, which works, but limits me to 8bit, but I'd really need 16bit for my purposes (and don't want to use xml/yaml as alternative). imwrite() 函数将图像保存到给定的路径位置。如前所述，图像存储为数组，使用此函数，我们可以将这些图像导出并保存在设备上。 它接受三个参数。第一个参数包含文件名和路径。请注意，应在文件名中指定保存图像的格式（PNG Aug 31, 2021 · Is there any other way to save an image in opencv with python without “imwrite” function? As I know OpenCV has only imwrite() cv2. In documentation for OpenCV 3. 今回はOpenCVで使われるimwriteに関して、定義から使用例をご紹介いたします。imwriteってなんだろう、最近OpenCVを使い始めた方へおすすめです。ぜひ最後までご一読ください。 Feb 11, 2019 · I just would like to know if it's possible to save gray 1 channel images with opencv starting from rgb images. channels() = 1 reference. imwrite() method is used to save an image to any storage device. import cv2 image = cv2. As in JPEG format can compress a image to lower size. import cv2 import numpy as np img = # Your image as a numpy array cv2. imread('anyrgbimage. In the function, specify a path you wish to write to & have permission to do so with. astype(np. To start with image saving, we’ll import the two packages that we need: cv2, os. May 31, 2021 · Hello, I am trying to save images as JPEG, but OpenCV 4. imwrite() で画像を保存する方法について解説します。 cv2. OpenCV lets developers use cv2. imwrite() 将 OpenCV 图像保存到指定的文件。 cv2. Oct 8, 2013 · onePic. imsave(): onePic2. If I declare a vector p (similar to this discu Oct 15, 2015 · This is because you are saving the image as JPG. Since in OpenCV images are represented by the same structure as matrices, we use the same convention for both cases - the 0-based row index (or y-coordinate) goes first and the 0-based column index (or x-coordinate) follows it. Only 8-bit (or 16-bit unsigned (CV_16U) in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with ‘BGR’ channel order) images can be saved using this function. May 29, 2022 · System information (version) OpenCV => all versions and OS's Detailed description cv::imwrite() has several JPEG quality-related parameters but I often miss a flag to disable chroma subsampling. Saving with parameters like this: cv2. tile) Detect and read barcodes with OpenCV in Python; Convert BGR and RGB with Python, OpenCV (cvtColor) Sep 25, 2019 · OpenCV has different compression levels for jpg, from 0 to 100. 0: import cv2 cam = cv2. tiff") And I have this: Process finished with exit code 136 (interrupted by signal 8: SIGFPE) I referred this link. The imwrite() function in OpenCV is used to save an image to disk. import cv2 bgr_img = cv2. jpg format. jpg`的图像，然后将其保存为PNG格式和JPEG格式。 在保 存 JPEG格式时，还设置了图片质量为90。 欧阳磊 CSDN认证博客专家 CSDN认证企业博客 Jun 25, 2019 · 前提・問題点 バージョン： Python3. 8. jpg') Dec 5, 2022 · Step 3. jpg gives a complete black image. pySaliencyMap(frame_width, frame_height) saliency_map = sm. type() = 5 reference. jpg、png画像であれば. Learn more Explore Teams cv2. Specify JPEG Quality The recommended range for image quality is from 1 (worst) to 95 (best). The image format is chosen based on the filename extension (see cv::imread for the list of extensions). This is unexpected, if it’s set to 0, it shouldn’t have any impact on the image compression. You can set this value from 0-100, with 100 being the best. path. cv2. Surprisingly, the image is rescaled between 0-255. imread("image. jpg format only, because then I use the same image to execute another code, which requires its image in . imwrite help here. imwrite("filename. jpg (OpenCV) Hot Network Questions When a star becomes a black hole do the neutrons that are squeezed together release binding energy and if so does this energy escape from the hole? Apr 26, 2021 · OpenCV 是一個跨平台的電腦視覺套件，全名為 Open Source Computer Vision Library。 img, params) # 若要儲存為jpg，可使用 cv2. pngが付与さ The image on input (as a png) is in RGB order but the image in memory (as a cv::Mat) is in BGR order. jpg Example. png, . png", img) useful if you need to do more processing other than saving. 3 days ago · Note OpenCV offers support for the image formats Windows bitmap (bmp), portable image formats (pbm, pgm, ppm) and Sun raster (sr, ras). Am I creating lossless PNG images? 2. jpg', frame)[1]. But the problem is it only saves one Aug 20, 2015 · When writing an image to disk (cv:imwrite) using an encoding which accesses the Vector<int>& params the code will always crash during runtime with an "Access violation". You also need to share codes which includes basler configurations. 0 is IMWRITE_PNG_COMPRESSION (without the CV_ prefix). imread(filename[, Jan 8, 2013 · OpenCV 3. These flags will be modify the way of PNG image compression and will be passed to the underlying zlib processing stage. val[0] contains a value from 0 to 255. 3 OpenCV4. imwrite("img1. tobytes(). While we are trying to process the images in the applications of image processing, it is often very necessary to store the intermediate results to the local file system, in order to store the images in the local file system, we make use of a function called imwrite() function using which the image to be stored in the local file system is being written to the Aug 28, 2017 · For my particular use case, I needed to convert the string into a PIL Image to use in another function before converting it to a numpy array to use in OpenCV. Oct 12, 2018 · I proceed some filtering on an Image then I want to save it through imwrite command with TIFF format but the size is big. depth() = Aug 5, 2017 · When i try to save a image using cv2. So, imread() will internally convert from rgb to bgr and imwrite() will do the opposite, all under the hood. imencode('. png", image) After this Jun 11, 2012 · Currently cvSaveImage() is declared to take only two parameters: int cvSaveImage( const char* filename, const CvArr* image ); However, the "latest tested snapshot" has:#define CV_IMWRITE_JPEG_QUALITY 1 #define CV_IMWRITE_PNG_COMPRESSION 16 #define CV_IMWRITE_PXM_BINARY 32 /* save image to file */ CVAPI(int) cvSaveImage( const char* filename, const CvArr* image, const int* params CV_DEFAULT(0) ); Nov 23, 2016 · In OpenCV it is possible to save an image to disk with a certain jpeg compression. Saves an image to a specified file. So, if I load an image like this: import cv2 # Load image im = cv2. see the cv2. For JPEG, it can be a quality ( CV_IMWRITE_JPEG_QUALITY ) from 0 to 100 (the higher is the better). 0 Operating System / Platform: win 10 Visual Studio 2019 (v142) ISO C++17 标准 (/std:c++17) Detailed description I have 120 frames of Mat type data cache Jan 30, 2023 · 使用 cv2. This is equivalent to imwrite. BytesIO() # Convert OpenCV image onto PIL Image OpenCVImageAsPIL = Image. I used imwrite function, which gives me Unhan 概要 OpenCV で cv2. imwrite(): Please help! Aug 29, 2019 · I want to convert a jpg image to tiff. One of the essential functions of OpenCV is the imwrite() function, which allows us to save an image to disk. IMWRITE_JPEG_LUMA_QUALITY Separate luma quality level, 0 - 100, default is 0 - don’t use. PNG extension, you could simply do the encoding to a memory buffer and then write that to disk. jpg') print(bgr_img. imwrite(filename, image) Parameters:filename: A string representing the file name. The image format is chosen based on the filename extension (see imread() for the list of extensions). Jul 31, 2013 · It works in 2020 with numpy==1. 0 imread関数でjpgファイルを読み込み、読み込んだ画像に何も処理を加えずimwrite関数でjpgファイルを書き出すと、書き出し後のjpgのファイルサイズが読み込み元のjpgのファイルサイズより大きくなってしまいます。 I have an application (openCV - C++) that grab an image from webcam, encode it in JPG and trasmitt it from a Server to Client. 5 which is under the enum CV_IMWRITE_JPEG_QUALITY. – May 4, 2016 · The function imwrite saves the image to the specified file. jpg" # 替换为您的图像路径 image = cv2. Note the ordering of x and y. May 13, 2017 · Imwrite docs. Sep 12, 2019 · I am also using basler camera. jpg", img, [int(cv2. imwrite has one argument CV_IMWRITE_JPEG_QUALITY. hpp> Saves an image to a specified file. py カラー画像をグレースケールの画像ファイルとして保存したい場合は、 cv2. You just need to pass in an image and a filename for it. matplotlibのsavefigでも画像保存が可能ですが, 軸や余白の設定がやや煩雑となり, OpenCVのimwriteの方がスッキリと書けると個人的には思うので, そのようにしました. I can never make out any detail. Jul 21, 2024 · OpenCVは、コンピュータビジョン問題を解決するために設計されたPythonバインディングのライブラリです。その中にあるcv2. 5. jpg, . Am I missing a step? Or is there some other way I should go about saving an image into JPG using Oct 13, 2016 · The name in OpenCV 3. My code sample is following. jpg") retval, buf = cv2. OpenCVで使われるimwriteとは?imwriteの定義から使用例をご紹介. findEncoder() imwrite()の第一引数はファイル名である。この拡張子を見て、どの画像フォーマットを使うのかを選択する。例えば、JPEG画像であれば. I'm trying to write text to an image which I will later need to OCR. In this OpenCV tutorial, we will learn how to save an image object to a file in Python using imwrite() function. Importing OpenCV and OS packages Oct 18, 2018 · I am concerned this is a dead end question, because cv2. Oct 15, 2022 · cv2. however you might still be interested to know all the possible flags used by all the possible functions in cv2 and cv modules. I'm also wondering if there's a particular image format that is best for OCR - disk space and processing time are not a primary constraints (yet). rand(1000,1000,3)*255). That why the title is this. The content below will provide the steps for saving an image using python OpenCV imwrite(). Converting it to a CV8U image as suggested by @tomriddle_1234 still stores a black png. 100). This can be 3 days ago · #include <opencv2/imgcodecs. imwrite() 함수는 이미지를 지정된 경로 위치에 저장합니다. . imwrite Image being saved as black . uint8) #creating a random image img1 = img[0,:,:,:] #extracting the two separate images img2 = img[1,:,:,:] img1_reshaped = img1. SMGetSM(frame) cv2. inpaint() function, for example, fills in missing or damaged areas of a picture using information from nearby pixels. If you created the image by yourself, you have to convert the color ordering before, for example by calling as suggested by bamboove cv::cvtColor(in, out, CV_RGB2BGR); if you created an RGB image. import os. imread(infile) resized_im = cv2. 3 days ago · C++ version only: intensity. You may be thinking, "why convert to RGB?". Default value is 95. – Jan 20, 2021 · The cv2. save(buffer Jun 2, 2017 · Now available on Stack Overflow for Teams! AI features where you work: search, IDE, and chat. import numpy as np import cv2 img = np. Aug 31, 2012 · I wanted to try out some simple operations on files and I started with opening and saving files (I use Python) image = cv2. imwrite('Path/Image. 2, I see no option to control JPEG2000 compression like quality (it is only for JPG in range 0. 논의한 바와 같이 이미지는 배열로 저장되며 이 기능을 사용하여 이러한 Oct 19, 2022 · Capture video from camera/file with OpenCV in Python; Save still images from camera video with OpenCV in Python; Reading and saving image files with Python, OpenCV (imread, imwrite) Concatenate images with Python, OpenCV (hconcat, vconcat, np. imwrite(). 5, cv2. img= (np. This will save the image according to the specified format in current working directory. imwrite() does this at the C++ level, so I am concerned that there is no way to successfully pass a non-filename object to it. 本記事は以下のページを参考にしています。 Python cv2. IMWRITE_JPEG_QUALITY() Examples; 1. try to save it as PNG or BMP and no difference will be exist. The first argument is the filename, which must include the filename extension (for example . Using spatial redundancy, OpenCV’s cv2. In general, only 8-bit unsigned (CV_8U) single-channel or 3-channel (with 'BGR' channel order) images can be saved using this function, with these exceptions: Jul 26, 2024 · cv2. I still gives a black image! onePic. The default is 95. A higher value means a smaller size and longer compression time. Jan 18, 2023 · cv2. Apparrently the file size decreases for JPG2000 files when using the JPG quality parameters (changing from 100 to 80). Jul 24, 2022 · cv2. Feb 16, 2018 · Conversion jpeg (for instance this image) to png using Gimp is different than using convert Example. Aug 1, 2013 · Using the cv2. imread() for input. INTER_LINEAR) cv2. Let’s take a look at how we can use this function to save an image: Import the OpenCV package using the following code: Copy. I don't understand your motivation for doing this, but if you want to write a JPEG to disk without the . 4. IMWRITE_JPEG_QUALITY), jpg_quality]) where jpg_quality < 95 will reduce the file size. resize(im, None, None, 0. join(folder_path, "saved_image. jpg gives the correct segmented image but onePic2. My guess is that the saved black rectangle is due to rounding issues when converting the bounding box coordinates to an int type. imread(image_path) save_path = os. jpg (OpenCV) Hot Network Questions A novel (and a movie) about a village in southern France where a strange succession of events happens Aug 13, 2021 · 9 min read Python OpenCV. fromarray(OpenCVImage) # Encode newly-created image into memory as JPEG along with EXIF from other image OpenCVImageAsPIL. 1. Reference: OpenCV Feb 13, 2014 · I'm using OpenCV to resize a JPG. import cv2. I am able to reproduce with encodings JPG and PNG. When doing this the OpenCV will compress the image. astype('uint8') did not help. jpg', im_gray) source: opencv_read_write. Only 8-bit (or 16-bit in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with ‘BGR’ channel order) images can be saved using this function. Use the imread() function to read an image. This question discusses it, and this site has examples. Writing PNG files works fine. I tried to do it with opencv with python. Nov 10, 2019 · cv2. Check out its syntax: imwrite(filename, image). jpg Apr 18, 2023 · Introduction to OpenCV imwrite. Does anyone know what might be going wrong with writing JPEG files? My raw image data is coming from a Mat structure, it’s 16bit unsigned (should be ok for jpeg) // Support for writing JPG vector<int Nov 16, 2021 · You would want to split your image into two essentially and then save them individually. The problem is the time of "imwrite" this function is very slower (with a big mat) any help please ? Feb 6, 2023 · This tutorial will show you how to write/save images in jpg format and specify the image quality in both OpenCV (cv2) and Pillow (PIL). imwrite ('data/dst/lena_opencv_gray. tiff, etc. 20-dev. imread - 画像を読み込む retval = cv2. ##概要今更ですが、画像の保存の方法をこの記事に載せるのを忘れていました。基本的ではありますが、保存できないと意味ないですからね。##Mark6 画像の保存方法#include &lt;openc… May 21, 2022 · If you need to restart-proof, you can check how many files have been saved before, so that code allows (as you said in comment) one image per run of th program Nov 2, 2017 · please i need to save a mat of M=Mat::zeros(10 000,10 0000) in png file. 3 days ago · #include <opencv2/imgcodecs. png") cv2. I mean if I choose CV_IMWRITE_JPEG_QUALITY equal to 100 for a jpeg saving or CV_IMWRITE_PNG_COMPRESSION equal to 0 for a png saving, will I have a lossless compression? Jan 8, 2013 · Functions: Mat cv::imdecode (InputArray buf, int flags): Reads an image from a buffer in memory. VideoCapture(0) # get image from web camera ret, frame = cam. I added this in because when converting from PIL Image -> Numpy array, OpenCV defaults to BGR for its images. How do I do it in TIFF format. 7. How can i save the picture in this FHD size. The cv::imwrite() function correctly writes an image file if the input cv::Matis in BGR order (which is the case if you let OpenCV create it). BSDS500というデータセットを使用するため、以下のサイトからダウンロード。 Nov 11, 2014 · "The function imwrite saves the image to the specified file. Jul 16, 2015 · The following function can be dropped into your code to support writing out jpg images for debugging purposes. #include <opencv2/imgcodecs. imwrite("cv2_original. But I realized that when I set it to default 0 (don’t use), it still has an impact on the image. " Mar 28, 2022 · I am thinking with the help of image compression I might be able to get the jpg, but the issue is i am unable to get the quality compression parameter in openCV 4. I am using timestamp to save the images in sequence. This is expected for Gimp and OpenCV as they seem to use the same version of libjpeg and thus to decode the jpeg image. transpose() #reshaping them to the desired form of (w,h,c) img2_reshaped = img2. Aug 19, 2024 · OpenCV offers solid tools for working with these ideas. imwrite(save_path, image) Jun 10, 2016 · I'm wondering whether there is a way to set dpi to 600 using imwrite. I was advised to convert it to CV_16U or 8U but it didn't work as well and I do have write permissions to the C:\ directory. Values above 95 should be avoided since 100 will disable portions of the JPEG compression Feb 5, 2013 · I need to store a float image in OpenCV. More Mat cv::imdecode (InputArray buf, int flags, Mat *dst): bool Apr 8, 2022 · When I am trying to save an image, the saved image is black. imwrite_jpeg_quality: jpeg形式で保存する場合の画質を0〜100で指定します。デフォルト値は95。 cv2. Import the OS package using the following code: Copy. IMWRITE_JPEG_QUALITY (which is of type "long"), and causes some weird problems. JPG extension, or a PNG file without the . reference. jpg using pyplot. With help of plugins (you need to specify to use them if you build yourself the library, nevertheless in the packages we ship present by default) you may also load image formats like JPEG (jpeg, jpg, jpe), JPEG 2000 (jp2 - codenamed in the CMake as Jasper Your original code creates an in-memory buffer that has not been interpreted by CV2. This is the code for saving the image:- sm = pySaliencyMap. random. Jan 8, 2013 · The function imwrite saves the image to the specified file. tiff", image) cv2. Jun 21, 2019 · You now want to write that EXIF data into your image you processed with OpenCV, so: # Make memory buffer for JPEG-encoded image buffer = io. But I couldn't make it work. evw axtadw petfgsbn geejpy jpcxba pjju ewkh olaci udnnis tebxx