RIOT 0.4.2 Portable - giảm dung lượng ảnh không giảm chất lượng ảnh

[maianhbao]

Radical Image Optimization Tool là một chương trình được thiết kế để giúp bạn xử lý hình ảnh cho web / email / phương tiện truyền thông khác với tỉ lệ nén tốt nhất với chất lượng không hề suy giảm.

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Main features:
* open many image types including rare/scientific types
* save and optimize JPEG, GIF and PNG with a simple, clean user interface
* works in dual view: (original – optimized image) or single view (optimized image).
Automatic preview of resulting image
* in-place compare function (alternativelly display the original image over the optimized image to notice small pixel changes)
* compress files to desired filesize threshold
* fast processing (all is done in memory);
see instant results including resulting filesize
* batch support (process multiple files at once)
* transparency handling options
* decide if you want to keep metadata (comments, IPTC, Adobe XMP, EXIF profiles, ICC profiles).
Unsupported metadata is removed
* transfer metadata between image formats (destination format must support them)
* common tools: pan and zoom, rotate, flip
* basic image adjustments: brightness, contrast, gamma, invert
* visually reduce number of unique colors for PNG and GIF images in order to reduce filesize
(two quantization methods are available: Xiaolin Wu and NeuQuant neural net)
* resize image by using well known resample filters (ex: Lanczos3, Catmull Rom, Bicubic, and others)
* out-of-the-box support for external PNG optimizers (optipng, pngout, etc)
* the compression and the results are comparable to those of commercial products, even higher.
* Adaptive logarithmic tone mapping algorithm (Drago) used for HDR images

Input image types:
* common bitmap images as well as Adobe Photoshop PSD files
* popular HDR formats and RAW camera images
* rare/scientific types (up to 128 bpp, integer and floating point)

v.0.4.2
- refactored resize function
- allowed specifying just width or height in batch resize
- improved PNG loading: added support for binary transparency in all bit depths,
refactored the entire Load function
- fixed ICO transparency handling
- fixed a bug with applying properly the settings using the keyboard
- updated libraries to LibPNG 1.4.3, OpenEXR 1.7.0, OpenJPEG 1.4.0 (SVN patch 2010-04-16),
LibRaw 0.10-Beta3, LibTIFF 3.9.4 (CVS patch 2010-07-13)
- RAW plugin: actual RAW bit depth is now displayed
- Fixed loading of Pentax KX RAW images
- Minor improvements for the EXR and RAW plugins
- the plugins from RAW + HDR package now run without SSE2 CPU extensions
- greyscale conversions now use the Rec. 709 formula
- new standard conversion from RGBF(A) high dynamic range formats allows to
import such images with no tone mapping (gamma correction applied)
- fixed bug with Report file size in Batch when using an external optimizer
- improved TIFF and PSD loading
- small performance improvement in saving JPEG
- fixed bug with non existent files added in Batch if typed in the open dialog
- refactored the internal function ConvertToCommon
- fixed automatic scrolling to the item on which Batch is working (Vista)
- fixed a regression bug with losing resolution, ICC profile and background in some situations
- added Credits in About dialog, other minor modifications
- other clean-ups and improvements

Link download: Tải Về Với Pass congtruongit.com

[tmvsaigonvenus]

Tui add ảnh vào rồi làm sao để giảm dung lượng ảnh vậy duongchantroi ?

<-- Bổ sung bài viết -->​

À làm tốt rồi , giảm file 2.11 mb xuống còn 97.5 kb đã quá :Ma (46):

[tmvsaigonvenus]

Trời ạ, hỏi gì lạ thế, nó rõ ràng ràng ra kia mà :ma (61):

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Thấy dấu khoanh màu đỏ ko, nếu save lại thì dung lượng bức hình sẽ nhỏ lại, các định dạng phía dưới như Quality, Brightness ..... trong 2 mục JPEG Option và Image adjustments đều có ảnh hưởng đến dung lượng (làm là hỉu à).

[luongha83p2]

Mấy bạn thử phóng to lên so sánh đi, nhìn là biết chất lượng liền. :Khi (15):