Compressed bits per pixel. But this is not the number of bits per pixel.
Compressed bits per pixel DSC can compress any image to 8 bits per pixel (bpp), which results in a 3X compression ratio for a 24 bpp image or a 3. While the images can be compressed, this is rarely used in practice and won't be discussed in detail here. For example, if the compression ratio is 5:2 then bits per pixel is 8/ (5/2) BMP images can range from black and white (1 bit per pixel) up to 24 bit colour (16. As such, A-DSC is not intended to deprecate DSC 1. In exchange for improved compression, A-DSC will require more complex encoders and decoders than DSC 1. If an image is 1 bit per pixel, it is also called a 1-bit image, a black and white image, a 2-color image, or a bitonal image. While lossy, block compression works well and is recommended for all textures that get May 7, 2024 · In this work, we present the real-time image compression techniques based on Dynamic Huffman Coding addition Prediction Linear to improve compression rate and values Bits Per Pixel. These 'bits per pixel' (bpp) are different from color-depth bits e. The higher the bit depth, the more colors or shades of gray can be The number of bits per pixel, also called color depth, determines the maximum number of colors in a picture. No. . In contrast, text-based semantic compression directly stores concepts and their relationships using natural language, which has evolved with The 4-bit per pixel (4bpp) format supports 16 distinct colors and stores 2 pixels per 1 byte, the left-most pixel being in the more significant nibble. 12-bit retains 4,096 somethings per color channel or pixel and 14-bit retains 16,384 somethi 001ch bits per pixel 1 word bits per pixel used to store palette entry information. format, texture assets. The phone is storing the compressed image and depending on your settings may be using more aggressive compression for a smaller file at the cost of quality. Jul 12, 2004 · in the exif info there is a listing of "compressed bits per pixel". BPP## Bits per pixel (or bpp) is a method for estimating the quality of a video feed by calculating the number of bits being devoted to each individual pixel in each frame given a set resolution, frame rate, and bitrate value. It is assumed here that the input is a 24 bits/pixel image, as assumed in the original journal article, although other bit depths could be used. It is typically measured in bits per pixel (bpp), with common values being 1 bpp (black and white), 8 bpp (grayscale), 24 bpp (true color), and 32 bpp (true color with transparency). These 16 pixels take 512 bits to store without the compression. Nov 1, 2019 · Is it possible to calculate the bits per pixel of an image and also reduce the bits per pixel? I am working with PNG images. In particular, we generate WebP images of same quality (as per SSIM index) as the JPEG images and then compare the file sizes of WebP and JPEG images. a color palette value) would be encoded as its cluster index. 1 Bit Per Pixel If an image is 1 bit per pixel, it is also called a 1-bit image, a black and white image, a 2-color image, or a bitonal image. Calculated from PKEY_Image_CompressedBitsPerPixelNumerator and PKEY_Image_CompressedBitsPerPixelDenominator. ) shall contain values that Jan 28, 2012 · I am now calculating the bpp taking the image size in kb, calculating how many bits that is. Typical values for uncompressed image data include 1bpp, 8bpp, 24bpp, and 32bpp. I'm unable to figure out how to read the file size of each image into Matlab. Is this a reliable standard for the degree of compression of files? If so, how many compressed bits per pixel would Canon "Superfine" have. The Color Cell Compression algorithm processes an image in eight steps, although one of the steps (step #6) is optional. This means the final RGB image file will be much larger than the original RAW file. Finally the image is exported as either a JPEG (24 bits per pixel) or possibly a 16-bit TIFF with 48 bits per pixel. Sep 26, 2018 · Here is what is stumping me. If you need an alpha channel, you could Feb 21, 2024 · Traditional methods, such as JPEG, perform image compression by operating on structural information, such as pixel values or frequency content. 2. Afterwards each pixel will get an index into this palette, which only requires 2 bit per pixel. Compression: Techniques used to reduce file size by removing redundant data or approximating information. Cameras with Bayer Sep 30, 2012 · My camera allows me to select 12-bit or 14-bit RAW files. Try our Pixel Calculator to convert units easily and explore formulas for pixels to DPI, pixels to mm, DPI to mm, and more! Sep 28, 2021 · Your image Bit Dept is 24 bit, this refers to the uncompressed pixels, all pixels have 24 bits each; when you talk about bpp, you are talking about the compressed image, which due to compression will take less bits, but that's an average, after compression, it might not be possible to say which few bits represents one single pixel, which next Aug 12, 2024 · To start, the calculator assesses the total number of pixels in the image: Total Pixels = Width of Image * Height of Image Determine the Color Depth: Next, it calculates the bits per pixel, which is a measure of color depth: Bits Per Pixel = Number of Bits Used to Represent Each Pixel (commonly 8, 16, 24, or 32 bits) Nov 29, 2011 · This article discusses what data rate is and why it's important, and what bits per pixel measures and how to compute it. A color depth of 1 bit per pixel means that only 2 colors can be used in the picture. A raw, uncompressed rbg 8bit image would be 24bits/pixel (8bits per colour channel x 3 colour channels). Jun 18, 2024 · Introduction The flexible and extensible TIFF format has provided long service for digital imaging. A higher bits per pixel value means that more data is dedicated to individual pixels, resulting in enhanced image detail and clarity. 06 (lowest quality allowed by twitch) 0. I need to find the file size of a video size that has 1 hour and 45 minutes, 24bit color encoding per pixel and has 1920x1080 resolution. Pixels, DPI, and the right resolution Pixels (px) make up your image. BMPs use a very simple form of compression called Run Length Encoded (RLE). This image file size calculator will help you estimate the file size of an uncompressed image file at a given pixel count and bit depth. Uses the minimum possible number of bits per pixel based on usage of colours from the fixed colour palette below (ie a black/white image uses a 1-bit index, while using all 16 colours requires a 4-bit index). 1 (recommended by twitch - the sweet spot) 0. DXT5 and BC7 are 8 bits per pixel. But the smaller it is, the worse the image quality. However, the resolution is limited to 12 bits under certain shooting conditions. This means that you can directly load a block compressed image onto the GPU without any decoding or decompression. For RGBA (with alpha) textures, use DXT5. It is an imperfect estimation method that breaks down in a few ways, but can still provide decent estimates. Gets the CompressedBitsPerPixel EXIF tag. Jan 28, 2021 · Block compressed formats differ from common industry image compression formats such as JPEG in that BC formats are natively supported by modern GPUs. So the video takes 86400 × 30 = 2592000 pixels per second. g. Dec 19, 2024 · WebP supports 8 bits per channel (24 bits per pixel) for lossy images and up to 14 bits per channel (42 bits per pixel) for lossless images. Ideal for image processing and compression, it helps you find the data stored in each pixel. But the compressed file will be smaller (maybe 10% of that size for JPG), selected by our choice for JPG Quality. May 7, 2025 · TIFF files can store images with an arbitrary number of bits per pixel and can employ a variety of compression algorithms. 5 bits per pixel is enough (a comparable Q=100 quality color information requires about 25% more encoded bits). 25 bits per pixel (on average, of course. Color Depth: The number of bits used per pixel to represent color. Popular Video Formats: Oct 20, 2022 · Block Compression (BC) support for textures has been extended in Direct3D 11 to include the BC6H and BC7 algorithms. from publication: Edge-Based and Prediction-Based Transformations for Lossless Image Compression Pixel art and RLE compression Generate pixel-art images and learn about binary file formats and run length encoding (RLE) compression. So the 4x4 version of ASTC, the smallest block size, takes up 8 bits per pixel, while the 12x12 version takes up only 0. 75X compression ratio for a 30 bpp image. BC formats consume from 4 to 8 bits per pixel on average; when compared to a typical uncompressed 32 bit per pixel BGRA bitmap Video File Size Calculator – Estimate Storage & Compression Use this Calculator to estimate your video's storage needs based on resolution, frame rate, and compression settings. I am supposed to calculate the bit-rate of each compressed file using the formula BitRate = (FileSize / PixelCount). These methods are effective to bitrates around one bit per pixel (bpp) and higher at standard image sizes. 08 (the bitratecalc "low" quality approximately) 0. 06 and 0. If the first byte of a pair is greater than zero, it specifies the number of consecutive pixels to be drawn 4 bit & 8 bit BMPs can be compressed. Sep 29, 2025 · Enter the color depth in bits to calculate the bits per pixel (BPP) for an image. Target applications that require a lower bits per pixel (bpp) compressed bit rate than DSC 1. The two representative colors are stored as 16-bit RGB values (5:6:5). It's the number of bits per color, and since a pixel has a red, a blue and a green component, so JPEGs are 24-bits per pixel and RAWs are 36-bits or 42-bits per pixel. When referring to a pixel, the concept can be defined as bits per pixel (bpp). It is a good format to compress most of RGB textures. g 8 bpc. The compression ratio is defined as the ratio between the uncompressed and compressed file size. Jul 12, 2004 · If so, how many compressed bits per pixel would Canon "Superfine" have. The highest quality image below (Q=100) is encoded at nine bits per color pixel, the medium quality image (Q=25) uses one bit per color pixel. Storage and transmission Consider the live streaming of a movie at standard definition video color frame is 720 480 pixel, with 24-bits per pixel Number of bits transmitted per frame: 8,294,400 At 30 frames per second, this data needs to make it in 1/30s, giving the transmission speed of 248,832,000 bits per second, or 237Mb per second. DXT1 (BC1) format compresses textures to 4 bits per pixel, and is widely supported on PC and console platforms. The frame rate is 30 Hz. Pros: Superior compression, smaller file sizes than JPEG and PNG with comparable or better quality Cons: Limited support on older browsers and devices Aug 7, 2025 · In the first case, we study the additional compression achieved by WebP at the same quality level of JPEG. Jan 7, 2021 · TIFF files can store images with an arbitrary number of bits per pixel and can employ a variety of compression algorithms. Up until this step, RAW image information most likely resided within the digital camera's memory buffer. a simple program to compute the Bits Per Pixel for compressed images passed as parameter args the program looks in the same folder for an uncompressed image or a known file type in order to do the math Dec 19, 2024 · WebP supports 8 bits per channel (24 bits per pixel) for lossy images and up to 14 bits per channel (42 bits per pixel) for lossless images. 16. A color depth of 24 bits per pixel limits the maximum number of colors by approx. Pixels, color components, chroma subsampling and bit depth… What is my targeted video bandwidth? The bits per pixel (bpp) concept Every color pixel in a digital image is created through some combination of the three primary colors: red, green, and blue. 8 mm Contrast Normal Exposure Mode Auto Maker Note Sony (12,324 bytes binary data) User Comment Flashpix Version 0100 Color The following three images show the difference between reducing bit depth and using a specialised image compression system. I think that number in the exif is just a code for the camera compression preset used. Understand raw image data size. Quality Allocation: Think of bits per pixel as a quality controller. JPEG files are 8-bit and Nikon's RAW (NEF) files can be 12-bit or 14-bit in some models. This is done by generating a string table on the fly, which is a mapping between pixel values and compression codes. DPI (Dots Per Inch) matters for printing (300 DPI is typical), but on the web, pixel size is key. This format specifies encoded and absolute modes, and either mode can occur anywhere in a given bitmap. For that we'll need 10 bits (covering up to 1024 values) for encoding each pixel in our new 1000 color palette. So my calculations were like this: Total Pixels = 1920 * Apr 10, 2019 · Therefore, the number of bits per pixel that ASTC takes up is determined by the block size used. , Red, Green, Blue, Alpha). Additional resources: Texture2D. Dec 10, 2022 · What is pixel Depth? Pixel depth, also known as bit depth, refers to the amount of information stored in each pixel of a digital image. the total number of bits required to code the color information of the pixel. The bitrate is defined as the number of bits per single image pixel. " It continues to say "Compressed records images in compressed RAW format. 9375. 16) 0. possible values are: 1 - monochrome bitmap 4 - 16 color bitmap 8 - 256 color bitmap 16 - 16bit (high color) bitmap 24 - 24bit (true color) bitmap 32 - 32bit (true color) bitmap 001eh compression 1 dword compression specifications. 1 than for DP 1. DSC Compressed Bit Rate Tradeoffs The DSC codec has several configuration parameters that are defined in a Picture Parameter Set (PPS). Two is the number of different colors that can be achieved by using the image data as 1-bit indexes to a palette. The goal of LZW compression is to replace repeating input strings with n-bit codes. For DXT compressions the texture is split into segments of 4x4 pixels which are then compressed. So each texel requires 2x16 bits for the colors, plus 16x2 bits for the indices, giving a total of 64 bits for each texel, which equates to 4 bits per pixel. Mar 16, 2017 · 16th March 2017, 10:38 PM xpatUSA Re: Compression question Quote: Originally Posted by torch Is it possible to edit the Compressed bit per pixel? I try to use exiftool to add certain details in Compressed bit per pixel, but I don't get the right command to edit it. But this is not the number of bits per pixel. Resolution: The total number of pixels in an image, often expressed as width x height. Notes on Android Unless you’re targeting specific hardware (such as Tegra), ETC2 compression is the most efficient option for Android, offering the best balance of quality and file size (with associated memory size requirements). Key Features of VESA DSC Resolution: The width and height of the image in pixels. Structure A BMP file consists of either 3 or 4 parts as shown in the diagram on the right. These limitations are described in the File Format (still image) section of the Help Guide. Feb 23, 2024 · The a9III manual simply states "RAW images recored with this camera have a resolution of 14 bits per pixel. Compression Ratio: The factor by which the file size is reduced through compression. For example, the bits_per_pixel PPS parameter indicates the bit rate that is used to encode the Bpp or bits per pixel denotes the number of bits per pixel. Finally, the mixed region combines partial semantic and structural information. The "bits per pixel" (bpp) refers to the sum of the "number of bits per color channel" i. Applications usually see a performance increase when using block compression because of the smaller memory footprint. , significantly less than 8bpp) while still providing visually lossless subjective coding quality at least as good as DSC 1. The image on the right is compressed using the JPEG algorithm Mar 16, 2017 · Originally Posted by torch Is it possible to edit the Compressed bit per pixel? I try to use exiftool to add certain details in Compressed bit per pix Feb 2, 2024 · Calculate bits per pixel with ease using the Bits Per Pixel Calculator. Instead of storing a value for each pixel RLE stores a number, N, followed by an index. In the below example, the image is 232 × 309 pixels. Color depth, also known as bit depth, is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel. VBR only applies to Crunch compression, and only texture size on disk. You can import Textures from DDS files, but only DXT, BC compressed formats, or uncompressed pixel formats are supported. There are actually only two formats available for most desktop GPUs that use less than 8 bits per pixel, DXT1 (also called BC1) and BC4. this also identifies in an indirect way the number of possible colors. Description: Information specific to compressed data. This means the uncompressed image on the left uses 232 × 309 = 71,688 pixels at 24 bits per pixel, or 71,688 × 24 = 1,720,512 bits: 210 kB! This is a lot of hard drive space for such a small image. The Importance of Bits Per Pixel (BPP) by CreativePro - This article delves into the technical aspects of bits per pixel, discussing its relevance in image compression and color depth. Several images can be stored in a single, multiple-page TIFF file. Jun 24, 2012 · A 4-bit image has 24 = 16 tones ranging from 0000 (0) to 1111 (16), etc. The compressed bits per pixel ranges from 6 to 63. Using the formula they have provided, and just using the "Size" in Windows as the Nov 15, 2022 · What followed in 2014 was the release of VESA Display Stream Compression (DSC), the industry’s first visually lossless video compression standard. How the Answer is Derived The tool computes the file size by multiplying the image’s width and height to get the total number of pixels. 7 million. 8 Metering Mode Multi-segment Light Source Unknown Flash Off, Did not fire Focal Length 4. Additionally, they have stated that the original uncompressed file has a bit-rate of 8. Calculate estimated image file size in Bytes (B) from pixel dimensions and bit depth. This means that the next N pixels are of the color for this index. 15 (the bitratecalc "high" quality exactly) The compressed bit rate of DSC can be programmed to 8 bits per pixel (bpp) or higher (6 bpp or higher for 4:2:0 pictures). 1. But how can it differ and how does it make difference in quality? The use of the DICOM Encapsulated Format to support MPEG2 MP@ML compressed pixel data requires that the Data Elements that are related to the Pixel Data encoding (e. Feb 21, 2024 · We demonstrate that this region can achieve compression to hundreds of micro-bits per pixel (𝜇 \mu italic_μ bpp) by using natural language, which has co-evolved alongside civilization to efficiently capture the most important human-centric concepts. 73984375 Exif Image Size 4,608 × 3,456 Exposure Compensation 0 Max Aperture Value 2. Table 4 shows the comparison of compression ratio and bits per pixel representation of the ETEC and PTEC techniques with the existing JPEG-LS, SPIHT and DPCM for non-pixelated images. How many for the variious lower quality jpeg compressions? Thanks. Fast, accurate, and easy to use! Variable bit rate (VBR) means that bits per pixel is not a fixed value, and depends on the actual content instead. Nope. Tags can indicate the basic geometry of the image, define how the image data is arranged, and indicate such facts as whether one or another image compression option Open Source Exif, IPTC and XMP metadata library and tools with Exif MakerNote and read/write support Jan 7, 2021 · Indicates the image compression level. If there isn't such a method, is there any way to get the bits-per-pixel of an Image? There is a method GetDepth () but then I do need to know how many components make up a pixel, also, the depth may not be equal in all components? So I basically want for example that a pixelformat like "R5 G6 B5" returns me "16" and so on. Understanding Bits Per Pixel (bpp) "bpp" stands for bits per pixel, which represents the amount of data used to store each pixel in a texture. 3) is BI_RLE8, an RLE compression algorithm is used to compress an 8-bit bitmap. Pros: Superior compression, smaller file sizes than JPEG and PNG with comparable or better quality Cons: Limited support on older browsers and devices Sep 4, 2025 · RAW images recorded using the following models have a resolution of 14 bits per pixel. In the second case, we analyze SSIM vs bits per pixel (bpp) plots for WebP and JPEG. Developed by: Google, released in 2010. (width x height) / 1000 * fps * bits per pixel where bits per pixel (BPP) is one of the following values (or any value in the range 0. 2 can compress from no compression at all down to 8 bits per pixel in steps of 0. Bits Per Pixel Impact on Image Storage, Compression, and Transmission The number of bits per pixel directly determines the amount of data required to store an image, as image file size is calculated by multiplying the number of pixels by the number of bits per pixel; for example, a 640 × 480 pixel image with 24 bits per pixel results in 7,372,800 bits in the image file, or 921,600 bytes (0 1. Mar 23, 2025 · Glossary of Terms Related to BPP Color Depth (CD): The number of bits used to represent the color of each pixel. 1; rather, it You can import Textures from DDS files, but only DXT, BC compressed formats, or uncompressed pixel formats are supported. The last "× 3" is for 3 bytes of RGB color information per pixel for 24-bit color (3 RGB values per pixel, which is one 8-bit byte for each RGB value, which totals 24-bit color). Encoded mode involves two bytes. Feb 21, 2008 · I want to display to the user the uncompressed size of an Image. After that I divide bits/pixels, to find how many bits per pixel the image has. In terms of bits per pixel (bpp [?]), the most frequent types of images (Image Type ↓) that ImageJ deals with are (ImageJ2↑ supports many more types of image data): 8-bit Images that can display 256 (28) gray levels (integers only). ) The source will adjust the compression ratio so that the data to be transferred just fits within the bandwidth of the transport medium. The DSC standard supports up to a 3∶1 compression ratio (reducing the data stream to 8 bits per pixel) with constant or variable bit rate, RGB or Y′C B C R 4:4:4, 4:2:2, or 4:2:0 color format, and color depth of 6, 8, 10, or 12 bits per color component. e. Then, compared to our previous representation of 32 bits per pixel (4 bytes, one per color channel) we Apr 23, 2024 · When the Compression field of a BitmapInfoHeader Object (section 2. [5] Each pixel value is a 4-bit index into a table of up to 16 colors. May 24, 2024 · What is bpp? Bpp is an abbreviation for bits per pixel, it's an unit of measurement for how many bits are necessary to encode the data of one pixel of a computer image. Sixteen is the number of different colors that can be achieved by using the image data as 4-bit indexes to a palette. For each 8-bit RGB octet triple contained in each 24-bit color value in the input image, the NTSC luminance y {\textstyle y} is Feb 22, 2006 · Why do we need compression? In an uncompressed state, images are quite large. DSC features only a single picture line of memory storage without necessitating off-chip memory. So let's say 1 pixel is 3 Bytes (24 Bits) of data: we have 2592000 × 24 bits per second video (62208000 Bits), that is 62208 kBits (This does not sound right, maybe some problem in my calculation). Transcoding experts assign a specific amount of data to each pixel based on the desired quality level. Oct 3, 2009 · Re: Compression question I think (s)he is refering to the bit in the exif that is labeled 'compressed bits/pixel', my guess is that this is just the effective number of bits used to describe each pixel. BC4 is a single channel format that is basically the 4 bpp of alpha channel from DXT5 (aka BC3) used to store a single red channel. Open Source Exif, IPTC and XMP metadata library and tools with Exif MakerNote and read/write support Jul 2, 2024 · The amount of bits (1's and 0's) necessary to store the color data of a single pixel in a digital image. The PPS parameters provide information to the decoder about the coded picture and the compression settings used. DSC 1. the Download Table | Comparison of bits per pixel and compression ratio for pixelated images. In addition, the computational complexity of the DSC encoding algorithm is relatively low. So it just describes the level of compression in the image, where a lower number is a If an image is 4 bits per pixel, it is also called a 4-bit image or a 16-color image. In uncompressed formats, this is straightforward—the bits per pixel are divided evenly among the channels (e. The middle image is the original, which was 24 bits per pixel. 7 million colours). Aug 19, 2020 · Block Compression (BC) support for textures has been extended in Direct3D 11 to include the BC6H and BC7 algorithms. Each primary color is often referred to as a “color channel” or “color component”, and has a range of intensity values specified by The high bit depth RAW image is then converted into 8-bits per channel, and compressed into a JPEG based on the compression setting within your camera. Mar 31, 2022 · I'm reading one image and I want to get bits per pixel of that image. Jun 25, 2011 · Billx08 wrote: Your information was more than a little misleading. The compression mode used for a compressed image is indicated in unit bits per pixel. The bit rate is specified in units of bits per pixel time, and as such, the rate is specified algorithmically because units of pixel time are the same at the encoder’s input and output. What is the basic mathematical relation between compression ratio and Bits Per Pixel (bpp) of an image compression technique? How can one convert bpp to CR and vise versa. Select a common video format below to pre-fill recommended settings or customize everything yourself. Generally it's not until 16 bits per pixel do you finally get true color images and not just a color table. TIFF files declare and describe their content by means of tags in the header and in Image File Directories (IFDs) within the file. The size in memory is the same as when using the underlying texture format (for example, RGB Compressed DXT1 for RGB Crunched DXT1). For validation/compliance certification of DSC compression and decompression engines, cyclic redundancy checks (CRCs) are used to verify the correctness of the bitstream and the reconstructed image. Pixel: The smallest unit of a digital image. Sep 30, 2020 · The bit depth for each primary color is termed the "number of bits per channel", typically ranging from 8 to 16bits. When compressing a 4 colour palette is determined for these 16 pixels. 14 bits recording of RAW images is always possible for models that do not have limitations in the File Format (still image) section of 5 days ago · Description Compressed color texture format. The sixteen pixels of the texel are then assigned a 2-bit index (0-3) that maps them to the color range. In addition some RAW files are compressed to save space. Regards, Peter Reply Reply with quote Reply to thread Complain LZW compression is used by the GIF file format and is one of the supported compression schemes for TIFF file format images. Sep 30, 2021 · DXT1 is 4 bits per pixel. 4. In other words: yes, the compression rate will be lower for DP 2. 1 (i. When compared to a texture with 32-bits per color, a block-compressed texture can be up to 75 percent smaller. For additional information refer to: MSDN Library: Bitmap Storage The Graphics File Formats Page - BMP Compiled by Nathan Aug 26, 2022 · Block compression is a texture compression technique for reducing texture size. 4bpp, by calculating the average bpp from the total number of bytes in the Sep 8, 2021 · Compressed Bits Per Pixel 2 Brightness Value 9. Then I take the image size in pixel*pixel to get the amount of pixels in the image. How to get BitsPerPixel of any image by using imagemagick? Thanks for the help! Free Pixels to Bytes Converter. This calculator helps determine the amount of data used to represent each pixel in an image. 89bpp. The right exif reader for your camera will interpret that number with the corresponding name of the compression preset used. May 16, 2012 · bits per pixel is 8 divided by the compression ratio . If you need an alpha channel, you could On grayscale images, a minimum of 6. Ignoring global compression parameters and encoding, and assuming we're keeping all pixels - each cluster (i. The bpp is calculated from the file size in bits Aug 30, 2018 · Then you would only need 8 bits in total for the RGB channels and immediately save two bytes per pixel—that's 50% compression savings over the original 4 bytes per pixel format! Bits Per Pixel: What it is and why it matters by Digital Photography School - A well-written article explaining bits per pixel in an accessible way, focusing on its role in image quality and file size. , Photometric Interpretation, Samples per Pixel, Planar Configuration, Bits Allocated, Bits Stored, High Bit, Pixel Representation, Rows, Columns, etc. Compressed image data can have rational numbers for values, e. The number of different colors in an image is depends on the depth of color or bits per pixel. 3. uoxfoecralbkoncpbucwmxbegxsiqgnswbrfjfrwuyjkyemxbxwgnyfynakzviegmfiomh