读取JPEG图像并计算图像坐标
IwanttoreadinaJPEGimagewithauniformgraybackgroundwithseveralcoloredballsonitofthesamesize.Iwantaprogramwhichcantakethisimageandrecordthecoordinatesofe...
使用swift将映像保存为图像/jpeg。
I'mtryingtouploadpicturestofirebasewithamimetypeofimage/jpegbutforsomereasontheyalluploadasapplication/octet-stream.我试图用mime类型的图像/jpeg将图片上传到firebase,但...
PyQt4 jpeg/jpg不支持的图像格式。
I'mtryingtogetQImage(oranythinginPyQt4,forthatmatter)toloadajpgfileinascript.Ihaven'tbeenabletofindanyinformationonhowtogetittoloadajpgimageasascript,...
如何从H264视频文件和ffmpeg中提取优质JPEG图像?
CurrentlyIamusingthiscommandtoextracttheimages:目前我正在使用这个命令来提取图像:ffmpeg.exe-i10fps.h264-r10-fimage210fps.h264_%03d.jpegffmpeg。exe-10fps。h264-r10-fimage...
从Android中的JPEG图像中提取近红外(NIR)通道
IamabeginnerinimageprocessinginAndroid.IamtryingtobuildanapplicationinwhichIneedtoseparatethecolorchannelsfromanimageandperformcalculationsonthem.我是An...
使用php-pdf和jpeg进行图像上传文件类型验证
Ihavethefollowingscriptforpartofaformwhichallowsafileupload,fullscriptishere:Issuewithimageuploadphp:undefinedindex.Itworksokinthatitstopsthescriptift...
如何以编程方式检查图像(PNG,JPEG或GIF)是否已损坏?
Okay.SoIhaveabout250,000highresolutionimages.WhatIwanttodoisgothroughallofthemandfindonesthatarecorrupted.Ifyouknowwhat4scrapeis,thenyouknowthenatureo...
如何从jpeg图像中提取彩色圆点的坐标?
Iamtryingtomeasuredistancesbetweenobjectsofinterests(inthisexampleyearringsintrees)usingR.MyearlierattemptwassocomplicatedthatIhavedifficultiesreprodu...
从文件创建的PHP jpeg图像质量低
Thisscriptisusedtorandomlyselectabackgroundwheneveryouaccessthesite.Idothisbysettingbackground-imageinmystylesheettothisphpfile此脚本用于在您访问站点时随机选择背景。我这样做...
使用javascript将jpeg图像调整为固定大小的实现
Hereisourimplementationofajpegresizeonclientsidetoafixedsizeof1024or768.Theworkscenarioisthatauserselectsanimage(originalimage)he/shewantstoupload(wit...
无法使用ImageIO.read读取JPEG图像(文件文件)
I'mhavingproblemsreadingthisoneJPEGfileusingImageIO.read(Filefile)-itthrowsanexceptionwiththemessage"UnsupportedImageType".我在使用ImageIO.read(文件文件)读取这个J...
检查图像是否是JPEG
IneedtocheckwhetheragivenimageisaJPEG.我需要检查给定的图像是否是JPEG。if($_FILES["fname"]["error"]>0){$imgData="hyperlink/holder.jpg";}else{$imgData="hyperlink/"...
使用Java进行图像转码(JPEG到PNG)
InmyJavaapplicationIwouldliketodownloadaJPEG,transferittoaPNGanddosomethingwiththeresultingbytes.在我的Java应用程序中,我想下载一个JPEG,将其传输到PNG并对结果字节执行某些操作。Iamalmos...
将JPEG图像转换为黑白
IsthereanyspecificwaytoconvertjpegimagestoblackandwhiteusingC?Iconverteda.bmpimagetoblackandwhiteusingCbysimplyextractingtheheaders(whichin.bmpfileis5...
如何在unix中将jpeg图像插入excel表格
Iamabletoinsertbmpimagesusinginsert_bitmapcommandofthexlwtmoduleinpythonusingthefollowingcode:我可以使用以下代码在python中使用xlwt模块的insert_bitmap命令插入bmp图像:importx...
“JPG”/“JPEG”/“PNG”/“BMP”/“GIF”/“TIFF”图像有什么区别?
Ihaveseenmanytypesofimageextensionsbuthaveneverunderstoodtherealdifferencesbetweenthem.Arethereanylinksouttherethatclearlyexplaintheirdifferences?我见过许...
将图像jpg,png,jpeg ...保存在CloudBoost后端的列中作为服务
IneedtosaveanimagefileinthecolumnAdjunto,Idonotknow我需要在Adjunto列中保存图像文件,我不知道varcomentario=newCB.CloudObject('Comentarios');comentario.set("IdPersona",n...
在JPG图像上运行时,get“不能写入模式P为JPEG”。
Iamtryingtoresizesomeimages,mostofwhichareJPG.Butinafewimages,Iamgettingtheerror:我试着调整一些图像的大小,其中大部分是JPG格式。但是在一些图像中,我得到了错误:Traceback(mostrecentcalllast...
检查图像是否是JPEG
IneedtocheckwhetheragivenimageisaJPEG.我需要检查给定的图像是否是JPEG。if($_FILES["fname"]["error"]>0){$imgData="hyperlink/holder.jpg";}else{$imgData="hyperlink/"...
如何从jpeg图像中提取彩色圆点的坐标?
Iamtryingtomeasuredistancesbetweenobjectsofinterests(inthisexampleyearringsintrees)usingR.MyearlierattemptwassocomplicatedthatIhavedifficultiesreprodu...