# US 2010/0165140 A1 · Digital image adjustable compression and resolution using face detection information > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0165140 A1 - Document ID: US20100165140A1 - Status: Published application - Kind: A1 - Application number: 12/719,620 - Filed: 2010-03-08 - Published: 2010-07-01 - Earliest claimed: 2003-06-26 - Assignees: FotoNation Vision Limited - Inventors: Eran Steinberg - Web page: https://patentgrep.com/patent/US20100165140A1 ## CPC - H04N 1/41: Bandwidth or redundancy reduction (by scanning H04N1/17 {; methods or arrangements for coding, decoding, compressing or decompressing digital video signals H04N19/00}) - G06V 40/165: {using facial parts and geometric relationships} - H04N 19/115: Selection of the code volume for a coding unit prior to coding - H04N 19/136: Incoming video signal characteristics or properties - H04N 19/154: Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion (use of rate-distortion criteria H04N19/147) - H04N 19/162: User input - H04N 19/17: the unit being an image region, e.g. an object - H04N 19/186: the unit being a colour or a chrominance component - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract A method of adjustable spatial and/or temporal compression of an image including a face includes identifying a group of pixels that correspond to a face within a digitally-acquired image. A first compression portion of the image including the group of pixels is determined. A second compression portion of the image other than the group of pixels is also determined. The first compression portion may be automatically compressed with higher-grade compression than the second compression portion to generate a compressed image including the face, or an option to provided the compressed image including the different grade compressions may be provided. ## Claims ### Claim 1 One or more computer-readable media having code embedded therein for programming a processor to carry out a method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking said group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; applying said meta-data of said group of pixels within said face to a further action. ### Claim 2 (depends on 1) The one or more computer-readable media of claim 1, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 3 (depends on 1) The one or more computer-readable media of claim 1, wherein a quality of said in-camera processing is varied between a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 4 (depends on 1) The one or more computer-readable media of claim 1, wherein said in-camera processing comprises a function of one or more parameters including relative size of the face, location of the face, exposure of the face, or total number of faces detected in the image, or combinations thereof. ### Claim 5 (depends on 1) The one or more computer-readable media of claim 1, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 6 (depends on 1) The one or more computer-readable media of claim 1, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 7 (depends on 1) The one or more computer-readable media of claim 1, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including said group of pixels within said face, or combinations thereof. ### Claim 8 One or more computer-readable media having code embedded therein for programming a processor to carry out a method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; automatically providing an option for applying said meta-data of said group of pixels within said face to a further action. ### Claim 9 (depends on 8) The one or more computer-readable media of claim 8, wherein said option is variable based on a subjective user decision. ### Claim 10 (depends on 9) The one or more computer-readable media of claim 9, wherein the method further comprises determining said option as a function of one or more parameters including relative size of the face, location of the face, exposure of the face, or total of faces detected in the image, or combinations thereof. ### Claim 11 (depends on 8) The one or more computer-readable media of claim 8, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 12 (depends on 8) The one or more computer-readable media of claim 8, wherein a quality of said in-camera processing is varied between a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 13 (depends on 8) The one or more computer-readable media of claim 8, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 14 (depends on 8) The one or more computer-readable media of claim 8, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 15 (depends on 8) The one or more computer-readable media of claim 8, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including said group of pixels within said face, or combinations thereof. ### Claim 16 A digital image acquisition device, comprising: a lens and a sensor for acquiring a digital image, a processor, and a computer-readable medium have code embedded therein for programming the processor to carry out a method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking said group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; applying said meta-data of said group of pixels within said face to a further action. ### Claim 17 (depends on 16) The device of claim 16, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 18 (depends on 16) The device of claim 16, wherein said enhanced quality processing is variable over a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 19 (depends on 16) The device of claim 16, wherein said enhanced quality processing comprises a function of one or more parameters including relative size of the face, location of the face, exposure of the face, or total of faces detected in the image, or combinations thereof. ### Claim 20 (depends on 16) The device of claim 16, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 21 (depends on 16) The device of claim 16, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 22 (depends on 16) The device of claim 16, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including said group of pixels within said face, or combinations thereof. ### Claim 23 A digital image acquisition device, comprising: a lens and a sensor for acquiring a digital image, a processor, and a computer-readable medium have code embedded therein for programming the processor to carry out a method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking said group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera processing based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; automatically providing an option for applying said meta-data of said group of pixels within said face to a further action. ### Claim 24 (depends on 23) The device of claim 23, wherein said option is variable based on a subjective user decision. ### Claim 25 (depends on 23) The device of claim 23, wherein the method further comprises determining said option as a function of one or more parameters including the relative size of the face, location of the face, exposure of the face, or total of faces detected in the image, or combinations thereof. ### Claim 26 (depends on 23) The device of claim 23, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 27 (depends on 23) The device of claim 23, wherein said enhanced quality processing is variable over a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 28 (depends on 23) The device of claim 23, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 29 (depends on 23) The device of claim 23, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 30 (depends on 23) The device of claim 23, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including the group of pixels within said face, or combinations thereof. ### Claim 31 A method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking said group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; applying said meta-data of said group of pixels within said face to a further action. ### Claim 32 (depends on 31) The one or more computer-readable media of claim 31, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 33 (depends on 31) The one or more computer-readable media of claim 31, wherein a quality of said in-camera processing is varied between a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 34 (depends on 31) The one or more computer-readable media of claim 31, wherein said in-camera processing comprises a function of one or more parameters including relative size of the face, location of the face, exposure of the face, or total number of faces detected in the image, or combinations thereof. ### Claim 35 (depends on 31) The one or more computer-readable media of claim 31, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 36 (depends on 31) The one or more computer-readable media of claim 31, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 37 (depends on 31) The one or more computer-readable media of claim 31, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including said group of pixels within said face, or combinations thereof. ### Claim 38 A method of in-camera analyzing of a still image including a face as part of an acquisition process, the method comprising: identifying a group of pixels within a face within a digitally-acquired still image on a portable camera; generating in-camera, capturing or otherwise obtaining in-camera a collection of low resolution images including said group of pixels within said face; tracking group of pixels within said face within said collection of low resolution images; gathering information regarding said group of pixels within said face from said collection of low resolution images; automatically determining in-camera meta-data of said group of pixels within said face based on the information gathered regarding said group of pixels within said face from said collection of low resolution images; automatically providing an option for applying said meta-data of said group of pixels within said face to a further action. ### Claim 39 (depends on 38) The one or more computer-readable media of claim 38, wherein said option is variable based on a subjective user decision. ### Claim 40 (depends on 39) The one or more computer-readable media of claim 39, wherein the method further comprises determining said option as a function of one or more parameters including relative size of the face, location of the face, exposure of the face, or total of faces detected in the image, or combinations thereof. ### Claim 41 (depends on 38) The one or more computer-readable media of claim 38, wherein the method further comprises implementing said in-camera processing as adjustable image resolution. ### Claim 42 (depends on 38) The one or more computer-readable media of claim 38, wherein a quality of said in-camera processing is varied between a plurality of groups of pixels that correspond to a plurality of faces. ### Claim 43 (depends on 38) The one or more computer-readable media of claim 38, wherein said low resolution images comprise at least one subsampled version of an acquired higher resolution image. ### Claim 44 (depends on 38) The one or more computer-readable media of claim 38, wherein said collection of low resolution images comprises one or more thumbnail views or a contact sheet or both. ### Claim 45 (depends on 38) The one or more computer-readable media of claim 38, wherein the method further comprises displaying in preview said one or more thumbnail views or said contact sheet or said collection of low resolution images including said group of pixels within said face, or combinations thereof.